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Snow Course Measurements

Snow Course Measurements for February 2009

February measurements received as of Sunday, February 15, 06:01 PM

Snow depth and water content are in inches. April 1 averages are based on measurements made during years 1951-2000. Courses are grouped by river basins, listed in north-south and high-low elevation order. Contact Dave Rizzardo for more information.


Num         Name                 Elev.  Date     Depth  Water   Density  April 1 Average
                                                       Content
                              Shasta River Basin
  1 Parks Creek               6,700	29-JAN	 24.0	  7.4	31%	 37.4	 20%	
  3 Sweetwater                5,850	29-JAN	 18.0	  2.7	15%	 13.7	 20%	
                                                Basin Average Pct. of April 1:  20%
                                                                     February 1:  32%
                              Scott River Basin
  5 Middle Boulder 1          6,600	29-JAN	 22.6	  7.1	31%	 32.4	 22%	
311 Middle Boulder 3          6,200	29-JAN	 19.4	  6.1	31%	 28.3	 22%	
298 Dynamite Meadow           5,700	29-JAN	 14.1	  3.3	23%	 18.6	 18%	
285 Swampy John               5,500	29-JAN	 35.7	 12.8	36%	 34.0	 38%	
                                                Basin Average Pct. of April 1:  25%
                                                                     February 1:  40%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	27-JAN	 22.5	  5.3	24%	 34.2	 15%	
 10 Red Rock Mountain         6,700		Scheduled for measurement by Weaverville Ranger District
 11 Bear Basin                6,500		Scheduled for measurement by Weaverville Ranger District
 12 Shimmy Lake               6,400		Scheduled for measurement by Weaverville Ranger District
 16 Highland Lakes            6,030		Scheduled for measurement by Weaverville Ranger District
437 Paradise Peak             5,800		Scheduled for measurement by Hayfork Ranger District
 17 Big Flat (Course)         5,100		Scheduled for measurement by Weaverville Ranger District
                                                Basin Average Pct. of April 1:  15%
                                                                     February 1:  25%
                              Sacramento River Basin
 18 Mount Shasta              7,900	03-FEB	 24.4	  8.0	33%	 53.6	 15%	
 19 Sand Flat (Course)        6,800	02-FEB	 21.7	  6.7	31%	 43.6	 15%	
 21 Gray Rock Lakes           6,200	30-JAN	 22.6	  7.8	35%	 48.4	 16%	
 22 Slate Creek               5,700		Scheduled for measurement by Weaverville Ranger District
                                                Basin Average Pct. of April 1:  15%
                                                                     February 1:  24%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250	29-JAN	 19.3	  6.4	33%	 36.2	 18%	
 25 Stouts Meadow             5,400	28-JAN	 29.8	 10.2	34%	 37.8	 27%	
                                                Basin Average Pct. of April 1:  22%
                                                                     February 1:  35%
                              Pit River Basin
 30 Cedar Pass                7,100	03-FEB	 27.1	  9.0	33%	 16.7	 54%	
 28 Blue Lake Ranch           6,800	02-FEB	 19.9	  5.8	29%	 10.4	 56%	
 33 Thousand Lakes            6,500	29-JAN	 30.0	 11.0	37%	 34.6	 32%	
 35 Adin Mountain             6,200	30-JAN	 24.8	  7.4	30%	 12.5	 59%	
343 New Manzanita Lake        5,900	03-FEB	 19.8	  6.2	31%	  8.0	 78%	
                                                Basin Average Pct. of April 1:  56%
                                                                     February 1:  87%
                              Cottonwood Cr Basin
436 Bully Choop               6,100		Scheduled for measurement by Hayfork Ranger District
                              Stony Cr Basin
 62 Anthony Peak              6,200	28-JAN	 21.6	  7.9	37%	 30.1	 26%	
                                                Basin Average Pct. of April 1:  26%
                                                                     February 1:  41%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	28-JAN	 70.8	 26.2	37%	 80.2	 33%	
361 Kettle Rock               7,300	02-FEB	 22.8	  7.1	31%	 23.4	 30%	
 48 Mount Dyer 1              7,100	28-JAN	 29.9	  9.5	32%	 25.9	 37%	
359 Grizzly Ridge             6,900	28-JAN	 33.7	 10.5	31%	 30.4	 35%	
279 Eureka Bowl               6,800	27-JAN	 33.6	 10.7	32%	 42.7	 25%	
388 Pilot Peak (DWR)          6,800	29-JAN	 38.8	 14.2	37%	 45.5	 31%	
360 Mount Hough               6,700	30-JAN	 28.7	  8.8	31%	 30.7	 29%	
280 Rowland Creek             6,700	29-JAN	 15.9	  4.0	25%	 17.4	 23%	
 75 Church Meadows            6,700	27-JAN	 33.5	 11.6	35%	 30.7	 38%	
 53 Three Lakes               6,250	29-JAN	 34.1	 11.4	33%	 40.8	 28%	
 52 Eureka Lake               6,200	27-JAN	 28.3	  8.3	29%	 31.7	 26%	
 51 Harkness Flat             6,200	28-JAN	 25.2	  8.8	35%	 28.5	 31%	
290 Mount Dyer 2              6,050	28-JAN	 21.7	  7.0	32%	 16.6	 42%	
 54 Mill Creek Flat           5,900	28-JAN	 33.7	 11.8	35%	 39.0	 30%	
353 Frenchman Cove            5,800	29-JAN	  3.9	  1.3	33%	  2.1	 62%	*
354 Antelope Ridge            5,650	02-FEB	 10.8	  3.2	30%	  3.0	107%	*
355 Abbey                     5,650	28-JAN	 16.9	  4.7	28%	  9.0	 52%	
 49 Letterbox                 5,600	29-JAN	 43.7	 17.1	39%	 49.0	 35%	
 55 Mount Stover              5,600	28-JAN	 11.6	  3.7	32%	 14.7	 25%	
 58 Feather River Meadow      5,400	28-JAN	 23.5	  8.2	35%	 23.1	 35%	
 56 Browns Camp               5,400	28-JAN	 21.5	  7.3	34%	 23.3	 31%	
 59 Warner Creek              5,100	28-JAN	 18.7	  6.7	36%	 14.7	 46%	
434 Humbug Summit 2           4,850	28-JAN	 12.6	  4.2	33%	 14.3	 29%	
 61 Chester Flat              4,600	30-JAN	  7.7	  3.1	40%	  6.1	 51%	
                                                Basin Average Pct. of April 1:  34%
                                                                     February 1:  53%
                              Yuba River Basin
 64 Webber Peak               7,800	27-JAN	 39.2	 13.7	35%	 41.9	 33%	
 65 Castle Creek 5            7,400		Scheduled for measurement by Central Sierra Snow Lab
 66 Meadow Lake               7,200	28-JAN	 57.2	 20.6	36%	 55.8	 37%	
 67 Red Mountain              7,200	28-JAN	 47.9	 17.2	36%	 51.9	 33%	
 68 English Mountain          7,100	27-JAN	 44.7	 16.1	36%	 45.4	 35%	
 69 Donner Summit             6,900	28-JAN	 34.9	 11.8	34%	 38.6	 31%	
 74 Yuba Pass                 6,700	30-JAN	 31.7	 11.6	37%	 29.6	 39%	
 76 Furnace Flat              6,700	28-JAN	 44.4	 16.6	37%	 48.4	 34%	
 78 Findley Peak              6,500	27-JAN	 34.0	 11.2	33%	 29.8	 38%	
 77 Lake Fordyce              6,500	28-JAN	 37.5	 13.9	37%	 40.9	 34%	
389 Robinson Cow Camp Snow    6,480	29-JAN	 38.8	 14.6	38%	 42.5	 34%	
390 Sunnyside Meadow          6,300	29-JAN	 47.3	 18.0	38%	 55.4	 32%	
 80 Cisco                     5,900	27-JAN	 34.2	 12.2	36%	 27.6	 44%	
372 Chapman Creek             5,850	30-JAN	 29.0	  9.8	34%	 23.7	 41%	
 83 Bowman Lake               5,650	27-JAN	 27.6	  8.6	31%	 22.3	 39%	
391 Lexington                 5,600	02-FEB	 33.8	 13.7	41%	 30.7	 45%	
277 Gibsonville               5,400	02-FEB	 35.4	 10.7	30%	 28.7	 37%	
 85 Lake Spaulding            5,200	28-JAN	 30.8	 11.4	37%	 21.3	 54%	
429 Chalk Bluff               4,850	27-JAN	 18.9	  6.9	37%			
                                                Basin Average Pct. of April 1:  38%
                                                                     February 1:  59%
                              American River Basin
106 Upper Carson Pass         8,500	30-JAN	 40.6	 15.1	37%	 36.2	 42%	
331 Lower Carson Pass         8,400	30-JAN	 44.2	 16.4	37%	 39.2	 42%	
107 Caples Lake (DWR)         8,000	30-JAN	 33.5	 12.0	36%	 30.8	 39%	
365 Alpha                     7,600	30-JAN	 33.1	 13.6	41%	 33.8	 40%	
338 Lost Corner Mountain      7,500	30-JAN	 39.1	 15.8	40%	 36.2	 44%	
108 Echo Summit               7,450	29-JAN	 33.5	 11.3	34%	 33.8	 33%	
110 Lake Audrain              7,300	29-JAN	 39.5	 12.7	32%	 35.3	 36%	
109 Silver Lake               7,100	30-JAN	 24.6	  9.2	37%	 21.0	 44%	
316 Wrights Lake              6,900	29-JAN	 38.3	 13.8	36%	 32.8	 42%	
113 PHillips                  6,800	29-JAN	 34.6	 13.1	38%	 27.6	 47%	
320 Lyons Creek               6,700	28-JAN	 45.4	 15.5	34%	 31.8	 49%	
115 Huysink                   6,600	30-JAN	 66.6	 16.2	24%	 45.0	 36%	
289 Tamarack Flat             6,550	29-JAN	 37.4	 13.2	35%	 28.4	 46%	
114 Wabena Meadows            6,300	27-JAN	 46.8	 15.6	33%	 42.8	 36%	
369 Miranda Cabin             6,200	27-JAN	 46.4	 16.0	34%	 40.0	 40%	
120 Onion Creek               6,100	02-FEB	 23.3	  9.3	40%	 19.6	 47%	
371 Diamond Crossing          6,050	27-JAN	 31.5	 10.3	33%	 22.0	 47%	
122 Talbot Camp               5,750	27-JAN	 31.4	 10.5	33%	 20.9	 50%	
322 Robbs Valley              5,600	30-JAN	 23.7	  8.7	37%	 15.6	 56%	
127 Ice House                 5,300	30-JAN	 14.2	  4.8	34%	  5.8	 83%	
                                                Basin Average Pct. of April 1:  45%
                                                                     February 1:  70%
                              Mokelumne River Basin
323 Highland Meadow           8,700	26-JAN	 77.1	 23.8	31%	 48.7	 49%	
364 Tragedy Creek             8,150	30-JAN	 42.5	 14.6	34%	 45.0	 32%	
129 Blue Lakes                8,000	27-JAN	 44.8	 13.4	30%	 36.2	 37%	
131 Wheeler Lake              7,800	26-JAN	 67.4	 22.0	33%	 53.3	 41%	
132 Pacific Valley            7,500	26-JAN	 48.4	 16.6	34%	 38.9	 43%	
363 Podesta                   7,200	31-JAN	 40.7	 15.0	37%	 44.8	 33%	
133 Corral Flat               7,200	30-JAN	 42.5	 15.5	36%	 40.5	 38%	
134 Bear Valley Ridge 1       6,700	27-JAN	 33.4	 11.7	35%	 24.6	 48%	
435 Lumberyard 2              6,500	30-JAN	 15.8	  7.1	45%	 13.8	 51%	
136 Hams Station              5,500	31-JAN	  7.5	  3.1	41%	  5.3	 58%	*
137 Antelope Springs          4,350	31-JAN	  8.8	  3.6	41%	  2.9	124%	*
                                                Basin Average Pct. of April 1:  41%
                                                                     February 1:  66%
                              Stanislaus River Basin
345 Deadman Creek             9,250	27-JAN	 55.8	 15.8	28%	 35.1	 45%	
344 Clark Fork Meadow         8,900	27-JAN	 57.7	 16.5	29%	 39.8	 41%	
427 Gianelli Meadow           8,400	26-JAN	 70.5	 21.4	30%	 52.9	 40%	
138 Lower Relief Valley       8,100	27-JAN	 50.1	 15.9	32%	 39.6	 40%	
139 Soda Creek Flat           7,800	27-JAN	 28.8	  7.6	26%	 22.0	 35%	
384 Stanislaus Meadow         7,750	26-JAN	 57.6	 18.8	33%	 51.0	 37%	
140 Eagle Meadow              7,500	27-JAN	 39.7	 12.0	30%	 24.2	 50%	
142 Herring Creek             7,300	28-JAN	 40.4	 13.9	34%	 28.0	 50%	
143 Relief Dam                7,250	27-JAN	 30.9	  9.3	30%	 19.9	 47%	
416 Bloods Creek              7,200	29-JAN	 44.4	 14.8	33%	 34.6	 43%	
432 Sapps Hollow              6,950	30-JAN	 40.9	 15.6	38%	 33.0	 47%	
430 Corral Meadow             6,650	30-JAN	 30.4	 10.1	33%	 19.7	 51%	
373 Hells Kitchen             6,550	29-JAN	 25.6	  8.3	32%	 21.8	 38%	
145 Niagara Flat              6,500	28-JAN	 35.9	 12.0	33%	 19.6	 61%	
386 Black Springs             6,500	29-JAN	 27.8	 11.2	40%	 22.0	 51%	
                                                Basin Average Pct. of April 1:  45%
                                                                     February 1:  72%
                              Tuolumne River Basin
157 Dana Meadows              9,800	27-JAN	 56.6	 15.2	27%	 31.1	 49%	
158 Rafferty Meadows          9,400	28-JAN	 64.8	 15.7	24%	 32.8	 48%	
159 Bond Pass                 9,300	27-JAN	 64.6	 19.6	30%	 44.9	 44%	
368 New Grace Meadow          8,900	31-JAN	 60.2	 20.7	34%	 48.0	 43%	
161 Tuolumne Meadows          8,600	26-JAN	 33.2	  9.1	27%	 22.7	 40%	
162 Horse Meadow              8,400	27-JAN	 57.1	 18.2	32%	 46.7	 39%	
163 Wilma Lake                8,000	31-JAN	 56.2	 19.4	35%	 43.2	 45%	
165 Sachse Springs            7,900	29-JAN	 39.9	 14.3	36%	 38.1	 38%	
166 Huckleberry Lake          7,800	28-JAN	 49.2	 16.2	33%	 41.9	 39%	
164 Spotted Fawn              7,800	29-JAN	 47.9	 14.6	30%	 45.6	 32%	
167 Paradise Meadow           7,650	30-JAN	 50.6	 17.3	34%	 39.9	 43%	
348 Kerrick Corral            7,000	25-JAN	 39.8	 14.2	36%	 23.5	 60%	
168 Upper Kibbie Ridge        6,700	30-JAN	 22.6	  9.0	40%	 18.6	 48%	
173 Lower Kibbie              6,700	30-JAN	 28.8	 11.3	39%	 26.0	 43%	
169 Vernon Lake               6,700	29-JAN	 33.8	 12.9	38%	 22.4	 58%	
171 Beehive Meadow            6,500	29-JAN	 36.8	 13.4	36%	 23.5	 57%	
172 Bell Meadow               6,500	25-JAN	 26.3	  7.9	30%	 15.5	 51%	
                                                Basin Average Pct. of April 1:  46%
                                                                     February 1:  73%
                              Merced River Basin
176 Snow Flat                 8,700	30-JAN	 55.9	 20.8	37%	 44.5	 47%	
177 Ostrander Lake            8,200	28-JAN	 45.1	 15.1	33%	 32.6	 46%	
178 Tenaya Lake               8,150	31-JAN	 41.1	 13.3	32%	 33.6	 40%	
179 Gin Flat (Course)         7,000	29-JAN	 30.9	 14.6	47%	 32.0	 46%	
180 Peregoy Meadows           7,000	31-JAN	 28.9	  9.2	32%	 29.3	 31%	
                                                Basin Average Pct. of April 1:  42%
                                                                     February 1:  67%
                              San Joaquin River Basin
182 Mono Pass                11,450	28-JAN	 43.6	 11.7	27%	 30.8	 38%	
183 Piute Pass               11,300	27-JAN	 57.7	 15.9	28%	 37.9	 42%	
276 Pioneer Basin            10,400	28-JAN	 54.6	 15.8	29%	 34.0	 46%	
186 Volcanic Knob            10,050	28-JAN	 43.6	 11.1	25%	 30.7	 36%	
187 Rose Marie               10,000	28-JAN	 52.1	 14.4	28%	 29.7	 48%	
189 Agnew Pass                9,450		Scheduled for measurement by Southern California Edison Company, Bishop
190 Kaiser Pass               9,100	26-JAN	 51.4	 15.1	29%	 39.0	 39%	
191 Dutch Lake                9,100	27-JAN	 35.1	 10.6	30%	 28.1	 38%	
192 Coyote Lake               8,850	28-JAN	 39.3	 12.7	32%	 32.2	 39%	
346 Badger Flat               8,300	28-JAN	 40.1	 13.0	32%	 30.8	 42%	
194 Nellie Lake               8,000	27-JAN	 51.2	 18.4	36%	 35.8	 51%	
324 Lake Thomas A Edison      7,800	27-JAN	 21.4	  6.6	31%	 14.7	 45%	
196 Chilkoot Lake             7,450	28-JAN	 36.4	 13.0	36%	 36.8	 35%	
347 Tamarack Creek            7,250	29-JAN	 29.0	  9.7	33%	 23.8	 41%	
198 Florence Lake             7,200	27-JAN	 11.5	  2.8	24%	  7.6	 37%	
197 Chilkoot Meadow           7,150	28-JAN	 42.0	 15.2	36%	 36.6	 42%	
199 Huntington Lake           7,000	26-JAN	 30.0	  8.6	29%	 18.6	 46%	
204 Poison Meadow             6,800	27-JAN	 28.6	 11.0	38%	 24.8	 44%	
                                                Basin Average Pct. of April 1:  42%
                                                                     February 1:  66%
                              Kings River Basin
222 Bishop Pass              11,200	02-FEB	 41.5	 13.7	33%	 35.0	 39%	
299 Charlotte Ridge          10,700	25-JAN	 55.8	 13.6	24%	 29.9	 45%	
307 Bullfrog Lake            10,650	25-JAN	 51.6	 13.9	27%	 28.5	 49%	
398 Bench Lake               10,600	28-JAN	 45.3	 12.9	28%	 27.1	 48%	
223 Blackcap Basin           10,300	27-JAN	 56.2	 15.0	27%	 34.1	 44%	
396 Rattlesnake Creek Ba      9,900	28-JAN	 48.5	 14.3	29%	 39.8	 36%	
225 Beard Meadow              9,800	27-JAN	 54.5	 14.4	26%	 33.3	 43%	
224 Upper Burnt Corral        9,700	27-JAN	 63.6	 17.2	27%	 37.8	 46%	
397 Scenic Meadow             9,650	28-JAN	 29.7	  9.4	32%	 24.1	 39%	
229 Round Corral              9,000	28-JAN	 46.4	 14.4	31%	 35.8	 40%	
226 Rowell Meadow             8,850	28-JAN	 31.2	 11.2	36%	 26.5	 42%	
227 Woodchuck Meadow          8,800	28-JAN	 40.9	 11.6	28%	 31.5	 37%	
232 Long Meadow (Kings R)     8,500	27-JAN	 37.8	 10.0	26%	 29.3	 34%	
426 Courtright                8,350	29-JAN	 25.6	  7.6	30%	 30.7	 25%	
233 Statum Meadow             8,300	29-JAN	 36.9	 16.8	45%	 32.3	 52%	
230 Helms Meadow              8,250	29-JAN	 33.5	 10.6	32%	 26.7	 40%	
234 Post Corral Meadow        8,200	27-JAN	 37.7	 10.8	29%	 26.3	 41%	
308 Dodsons Meadow            8,050	27-JAN	 33.3	  8.7	26%	 29.6	 29%	
237 Horse Corral Meadow       7,600	28-JAN	 21.0	  7.8	37%	 16.3	 48%	
236 Big Meadows               7,600	28-JAN	 27.5	  8.8	32%	 24.6	 36%	
438 Ridge Trail               7,500	25-JAN	 11.0	  4.0	36%			
239 Fred Meadow               6,950	28-JAN	 25.4	  8.6	34%	 21.3	 40%	
240 Grant Grove               6,600		Scheduled for measurement by Sequoia and Kings Canyon National Parks
                                                Basin Average Pct. of April 1:  41%
                                                                     February 1:  67%
                              Kaweah River Basin
292 Farewell Gap              9,500	01-FEB	 49.5	 17.0	34%	 35.8	 47%	
243 Panther Meadow            8,600	25-JAN	 47.5	 15.9	33%	 36.7	 43%	
245 Mineral King              8,000	31-JAN	 28.0	 11.0	39%	 20.6	 53%	
246 Giant Forest              6,400		Scheduled for measurement by Sequoia and Kings Canyon National Parks
                                                Basin Average Pct. of April 1:  48%
                                                                     February 1:  79%
                              Tule River Basin
247 Quaking Aspen             7,000		Scheduled for measurement by Tule River Ranger District
                              Kern River Basin
250 Bighorn Plateau          11,350	25-JAN	 37.8	 10.0	26%	 23.7	 42%	
251 Cottonwood Pass          11,050	31-JAN	 14.3	  3.8	27%	 14.8	 26%	
252 Siberian Pass            10,900	28-JAN	 21.4	  6.4	30%	 20.0	 32%	
253 Crabtree Meadow          10,700	24-JAN	 29.9	  7.4	25%	 19.6	 38%	
255 Tyndall Creek            10,650	25-JAN	 33.2	  7.0	21%	 18.8	 37%	
254 Guyot Flat               10,650	27-JAN	 32.3	  8.4	26%	 20.8	 40%	
275 Sandy Meadows            10,650	25-JAN	 29.0	  6.9	24%	 19.2	 36%	
257 Big Whitney Meadow        9,750	30-JAN	 22.6	  5.3	23%	 17.2	 31%	
256 Rock Creek                9,600	27-JAN	 25.1	  6.3	25%	 17.8	 35%	
258 Round Meadow              9,000	03-FEB	 24.2	  8.9	37%	 24.1	 37%	
259 Ramshaw Meadows           8,700	30-JAN	 12.9	  4.2	33%	 11.5	 37%	
260 Little Whitney Meadow     8,500	29-JAN	 16.7	  6.0	36%	 12.9	 47%	
261 Bonita Meadows            8,300	03-FEB	 16.2	  7.0	43%	 13.6	 51%	
262 Casa Vieja Meadows        8,300	02-FEB	 24.2	  9.1	38%	 19.8	 46%	
265 Beach Meadows             7,650	03-FEB	 12.3	  5.3	43%	  8.3	 64%	
249 Dead Horse Meadow         7,300		Scheduled for measurement by Hot Springs Ranger District
                                                Basin Average Pct. of April 1:  40%
                                                                     February 1:  65%
                              Surprise Valley Basin
313 Barber Creek              6,500		Scheduled for measurement by Warner Mountain Ranger District
350 49 Mountain               6,000		Scheduled for measurement by Natural Resources Conservation Service
                              Truckee River Basin
318 Squaw Valley 2            7,700	28-JAN	 52.0	 18.3	35%	 48.4	 38%	
 89 Webber Lake               7,000	27-JAN	 37.9	 12.9	34%	 31.7	 41%	
                                                Basin Average Pct. of April 1:  39%
                                                                     February 1:  62%
                              Lake Tahoe Basin
 99 Rubicon Peak 2            7,500	29-JAN	 33.8	 12.5	37%	 30.8	 41%	
100 Freel Bench               7,300	30-JAN	 16.0	  5.9	37%	 10.4	 57%	
101 Ward Creek 2              7,000	29-JAN	 38.4	 14.6	38%	 41.8	 35%	
333 Glenbrook 2 (Nevada)      6,900	30-JAN	 12.0	  3.1	26%	 11.6	 27%	
103 Richardsons 2             6,500	28-JAN	 19.0	  6.8	36%	 15.6	 44%	
104 Upper Truckee             6,400	30-JAN	 13.0	  4.7	36%	  7.4	 64%	
                                                Basin Average Pct. of April 1:  44%
                                                                     February 1:  70%
                              Walker River Basin
421 Leavitt Lake              9,600	28-JAN	 74.0	 23.2	31%	 50.8	 46%	
150 Virginia Lakes            9,400		Scheduled for measurement by CA Dept of Water Resources
377 Virginia Lakes Ridge      9,300	29-JAN	 25.6	  6.5	25%	 19.5	 33%	
422 Sawmill Ridge             8,750	28-JAN	 29.0	  7.8	27%	 18.8	 41%	
152 Sonora Pass               8,750	27-JAN	 32.4	  9.5	29%	 24.9	 38%	
154 Willow Flat               8,250	28-JAN	 23.0	  5.7	25%	  9.9	 58%	
                                                Basin Average Pct. of April 1:  43%
                                                                     February 1:  69%
                              Mono Lake Basin
281 Gem Pass                 10,750		Scheduled for measurement by Southern California Edison Company, Bishop
181 Tioga Pass                9,800	29-JAN	 48.0	 13.8	29%	 26.8	 51%	
287 Saddlebag Lake            9,750	29-JAN	 53.1	 15.3	29%	 31.3	 49%	
286 Ellery Lake               9,600	29-JAN	 53.0	 13.7	26%	 29.0	 47%	
282 Gem Lake                  9,150		Scheduled for measurement by Southern California Edison Company, Bishop
                                                Basin Average Pct. of April 1:  49%
                                                                     February 1:  78%
                              Owens River Basin
284 Bishop Lake              11,300	01-FEB	 41.4	 12.8	31%	 21.9	 58%	
220 Cottonwood Lakes 2       11,100	21-JAN	 11.5	  2.7	23%	 14.1	 19%	
212 East Piute Pass          10,800	26-JAN	 34.9	  8.8	25%	 15.2	 58%	
213 Sawmill                  10,200	01-FEB	 27.7	  6.6	24%	 19.0	 35%	
221 Cottonwood Lakes 1       10,150	21-JAN	 13.1	  2.7	21%	 12.3	 22%	
209 Rock Creek 3             10,000	28-JAN	 21.6	  5.4	25%	 14.7	 37%	
217 Big Pine Creek 1         10,000	27-JAN	 27.5	  6.1	22%	 22.6	 27%	
218 Big Pine Creek 3          9,800	27-JAN	 26.7	  5.3	20%	 18.3	 29%	
219 Big Pine Creek 2          9,700	27-JAN	 16.9	  3.3	20%	 14.8	 22%	
205 Mammoth Pass (Ladwp)      9,300	29-JAN	 61.2	 19.9	33%	 41.9	 47%	
214 North Lake                9,300	26-JAN	 14.1	  3.9	28%	 10.2	 38%	
423 Trailhead                 9,100	26-JAN	 16.3	  4.1	25%	 13.2	 31%	
210 Rock Creek 2              9,050	28-JAN	 17.0	  3.9	23%	 11.0	 35%	
206 Minarets 2                9,000	29-JAN	 42.3	 13.7	32%	 29.1	 47%	
211 Rock Creek 1              8,700	28-JAN	 14.1	  3.3	23%	  7.5	 44%	
208 Mammoth                   8,300	29-JAN	 28.0	 10.0	36%	 20.2	 50%	
                                                Basin Average Pct. of April 1:  37%
                                                                     February 1:  60%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
February 1
North Coast 3 7 6.4" 22% 35%
Sacramento 6 71 10.8" 37% 58%
San Joaquin Valley 5 63 13.8" 44% 69%
Tulare Lake 3 39 10.2" 41% 67%
North Lahontan 3 13 10.1" 43% 68%
South Lahontan 2 19 8.2" 39% 62%
Statewide Average (weighted) 39% 62%

* This course not included in river, basin or Statewide computations.

THIS SUMMARY MAY NOT MATCH THAT PUBLISHED IN BULLETIN 120 DUE TO CHANGES IN AVERAGES AND COURSE SELECTION. USE ONLY FOR COMPARISONS BETWEEN YEARS

Data are preliminary and subject to revision. This document is updated hourly during the data-collection period.


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