Snow Course Measurements

Snow Course Measurements for May 2015

May measurements received as of Tuesday, May 5, 08:01 AM

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
                              Scott River Basin
  5 Middle Boulder 1          6,600	30-APR	  0.0	  0.0		 32.4	  0%	
311 Middle Boulder 3          6,200	30-APR	  0.0	  0.0		 28.3	  0%	
298 Dynamite Meadow           5,700	30-APR	  0.0	  0.0		 18.6	  0%	
285 Swampy John               5,500	30-APR	  0.0	  0.0		 34.0	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	01-MAY	  0.5	  0.5	100%	 34.2	  1%	
 10 Red Rock Mountain         6,700	03-MAY	  0.0	  0.0		 44.1	  0%	
 11 Bear Basin                6,500	03-MAY	  0.0	  0.0		 39.1	  0%	
 12 Shimmy Lake               6,400	02-MAY	  0.0	  0.0		 50.3	  0%	
 16 Highland Lakes            6,030		Scheduled for measurement by Weaverville Ranger District
 17 Big Flat (Course)         5,100		Scheduled for measurement by Weaverville Ranger District
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   1%
                              Sacramento River Basin
 18 Mount Shasta              7,900	28-APR	 63.0	 36.0	57%	 53.6	 67%	
 19 Sand Flat (Course)        6,800	28-APR	  0.0	  0.0		 43.6	  0%	
 22 Slate Creek               5,700	30-APR	  0.0	  0.0		 30.1	  0%	
                                                Basin Average Pct. of April 1:  22%
                                                                     May 1:  31%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250	03-MAY	  0.0	  0.0		 36.2	  0%	
 25 Stouts Meadow             5,400	03-MAY	  0.0	  0.0		 37.8	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Pit River Basin
 33 Thousand Lakes            6,500	30-APR	  0.0	  0.0		 34.6	  0%	
 35 Adin Mountain             6,200	30-APR	  0.0	  0.0		 12.5	  0%	
343 New Manzanita Lake        5,900	27-APR	  0.0	  0.0		  8.0	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	24-APR	 78.0	 38.0	49%	 80.2	 47%	
361 Kettle Rock               7,300	29-APR	  0.0	  0.0		 23.4	  0%	
 48 Mount Dyer 1              7,100	24-APR	  0.0	  0.0		 25.9	  0%	
359 Grizzly Ridge             6,900	30-APR	  0.0	  0.0		 30.4	  0%	
388 Pilot Peak (DWR)          6,800	27-APR	  0.0	  0.0		 45.5	  0%	
279 Eureka Bowl               6,800		Scheduled for measurement by CA Dept of Water Resources, Beckwourth
360 Mount Hough               6,700	29-APR	  0.0	  0.0		 30.7	  0%	
280 Rowland Creek             6,700	29-APR	  0.0	  0.0		 17.4	  0%	
 75 Church Meadows            6,700	29-APR	  0.0	  0.0		 30.7	  0%	
 53 Three Lakes               6,250	24-APR	  0.0	  0.0		 40.8	  0%	
 51 Harkness Flat             6,200	24-APR	  0.0	  0.0		 28.5	  0%	
 52 Eureka Lake               6,200		Scheduled for measurement by CA Dept of Water Resources, Beckwourth
290 Mount Dyer 2              6,050	24-APR	  0.0	  0.0		 16.6	  0%	
 54 Mill Creek Flat           5,900	24-APR	  0.0	  0.0		 39.0	  0%	
353 Frenchman Cove            5,800	29-APR	  0.0	  0.0		  2.1	  0%	*
354 Antelope Ridge            5,650	30-APR	  0.0	  0.0		  3.0	  0%	*
355 Abbey                     5,650	30-APR	  0.0	  0.0		  9.0	  0%	
 49 Letterbox                 5,600	24-APR	  0.0	  0.0		 49.0	  0%	
 55 Mount Stover              5,600	24-APR	  0.0	  0.0		 14.7	  0%	
 58 Feather River Meadow      5,400	24-APR	  0.0	  0.0		 23.1	  0%	
 56 Browns Camp               5,400	24-APR	  0.0	  0.0		 23.3	  0%	
 59 Warner Creek              5,100	24-APR	  0.0	  0.0		 14.7	  0%	
434 Humbug Summit 2           4,850	24-APR	  0.0	  0.0		 14.3	  0%	
                                                Basin Average Pct. of April 1:   2%
                                                                     May 1:   3%
                              Yuba River Basin
 65 Castle Creek 5            7,400	01-MAY	  1.5	  0.5	33%	 52.1	  1%	
 66 Meadow Lake               7,200	27-APR	  2.0	  1.0	50%	 55.8	  2%	
 67 Red Mountain              7,200	28-APR	  0.0	  0.0		 51.9	  0%	
 68 English Mountain          7,100	27-APR	  2.5	  1.0	40%	 45.4	  2%	
 69 Donner Summit             6,900	27-APR	  1.0	  0.5	50%	 38.6	  1%	
 76 Furnace Flat              6,700	27-APR	  0.0	  0.0		 48.4	  0%	
 74 Yuba Pass                 6,700	01-MAY	  0.0	  0.0		 29.6	  0%	
 78 Findley Peak              6,500	27-APR	  0.5	  0.0	 0%	 29.8	  0%	
 77 Lake Fordyce              6,500	27-APR	  0.0	  0.0		 40.9	  0%	
389 Robinson Cow Camp Snow    6,480	27-APR	  0.0	  0.0		 42.5	  0%	
390 Sunnyside Meadow          6,300	27-APR	  0.0	  0.0		 55.4	  0%	
 80 Cisco                     5,900	27-APR	  0.0	  0.0		 27.6	  0%	
372 Chapman Creek             5,850	01-MAY	  0.0	  0.0		 23.7	  0%	
 83 Bowman Lake               5,650	27-APR	  0.0	  0.0		 22.3	  0%	
391 Lexington                 5,600	27-APR	  0.0	  0.0		 30.7	  0%	
277 Gibsonville               5,400	27-APR	  0.0	  0.0		 28.7	  0%	
 85 Lake Spaulding            5,200	27-APR	  0.0	  0.0		 21.3	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   1%
                              American River Basin
106 Upper Carson Pass         8,500	29-APR	  0.0	  0.0		 36.2	  0%	
331 Lower Carson Pass         8,400	29-APR	  0.0	  0.0		 39.2	  0%	
107 Caples Lake               8,000	29-APR	  0.0	  0.0		 30.8	  0%	
365 Alpha                     7,600	01-MAY	  0.0	  0.0		 33.8	  0%	
338 Lost Corner Mountain      7,500	29-APR	  0.0	  0.0		 36.2	  0%	
108 Echo Summit               7,450	01-MAY	  0.0	  0.0		 33.8	  0%	
110 Lake Audrain              7,300	01-MAY	  0.0	  0.0		 35.3	  0%	
109 Silver Lake               7,100	30-APR	  0.0	  0.0		 21.0	  0%	
316 Wrights Lake              6,900	29-APR	  0.0	  0.0		 32.8	  0%	
113 PHillips                  6,800	30-APR	  0.0	  0.0		 27.6	  0%	
320 Lyons Creek               6,700	01-MAY	  0.0	  0.0		 31.8	  0%	
115 Huysink                   6,600		Scheduled for measurement by Tahoe National Forest Headquarters
289 Tamarack Flat             6,550	30-APR	  0.0	  0.0		 28.4	  0%	
114 Wabena Meadows            6,300	27-APR	  0.0	  0.0		 42.8	  0%	
369 Miranda Cabin             6,200	27-APR	  5.0	  1.0	20%	 40.0	  2%	
120 Onion Creek               6,100	01-MAY	  0.0	  0.0		 19.6	  0%	
371 Diamond Crossing          6,050	27-APR	  3.5	  0.5	14%	 22.0	  2%	
122 Talbot Camp               5,750	27-APR	  0.0	  0.0		 20.9	  0%	
322 Robbs Valley              5,600	29-APR	  0.0	  0.0		 15.6	  0%	
127 Ice House                 5,300	29-APR	  0.0	  0.0		  5.8	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Mokelumne River Basin
323 Highland Meadow           8,700	28-APR	  3.0	  1.0	33%	 48.7	  2%	
364 Tragedy Creek             8,150	30-APR	  0.0	  0.0		 45.0	  0%	
129 Blue Lakes                8,000	28-APR	  4.5	  1.5	33%	 36.2	  4%	
131 Wheeler Lake              7,800	28-APR	 10.5	  5.0	48%	 53.3	  9%	
132 Pacific Valley            7,500	28-APR	  0.0	  0.0		 38.9	  0%	
363 Podesta                   7,200	30-APR	  0.0	  0.0		 44.8	  0%	
133 Corral Flat               7,200	30-APR	  0.0	  0.0		 40.5	  0%	
134 Bear Valley Ridge 1       6,700	24-APR	  0.0	  0.0		 24.6	  0%	
435 Lumberyard 2              6,500	30-APR	  0.0	  0.0		 13.8	  0%	
136 Hams Station              5,500	30-APR	  0.0	  0.0		  5.3	  0%	*
137 Antelope Springs          4,350	30-APR	  0.0	  0.0		  2.9	  0%	*
                                                Basin Average Pct. of April 1:   2%
                                                                     May 1:   2%
                              Stanislaus River Basin
345 Deadman Creek             9,250	28-APR	  4.5	  1.5	33%	 35.1	  4%	
344 Clark Fork Meadow         8,900	28-APR	  2.5	  0.5	20%	 39.8	  1%	
427 Gianelli Meadow           8,400	30-APR	  9.0	  4.0	44%	 52.9	  8%	
138 Lower Relief Valley       8,100	28-APR	  1.0	  0.5	50%	 39.6	  1%	
139 Soda Creek Flat           7,800	28-APR	  0.0	  0.0		 22.0	  0%	
384 Stanislaus Meadow         7,750	28-APR	  0.0	  0.0		 51.0	  0%	
140 Eagle Meadow              7,500	28-APR	  0.0	  0.0		 24.2	  0%	
142 Herring Creek             7,300	28-APR	  0.5	  0.0	 0%	 28.0	  0%	
143 Relief Dam                7,250	28-APR	  0.0	  0.0		 19.9	  0%	
416 Bloods Creek              7,200	30-APR	  0.0	  0.0		 34.6	  0%	
373 Hells Kitchen             6,550	30-APR	  0.0	  0.0		 21.8	  0%	
145 Niagara Flat              6,500	28-APR	  0.0	  0.0		 19.6	  0%	
386 Black Springs             6,500	30-APR	  0.0	  0.0		 22.0	  0%	
                                                Basin Average Pct. of April 1:   1%
                                                                     May 1:   1%
                              Tuolumne River Basin
157 Dana Meadows              9,800	24-APR	  0.0	  0.0		 31.1	  0%	
159 Bond Pass                 9,300	30-APR	 25.5	 11.5	45%	 44.9	 26%	
368 New Grace Meadow          8,900	28-APR	 12.0	  4.5	38%	 48.0	  9%	
161 Tuolumne Meadows          8,600	24-APR	  0.0	  0.0		 22.7	  0%	
162 Horse Meadow              8,400	30-APR	  0.0	  0.0		 46.7	  0%	
163 Wilma Lake                8,000	28-APR	  0.0	  0.0		 43.2	  0%	
165 Sachse Springs            7,900	30-APR	  0.0	  0.0		 38.1	  0%	
164 Spotted Fawn              7,800	30-APR	  0.0	  0.0		 45.6	  0%	
166 Huckleberry Lake          7,800	30-APR	  0.0	  0.0		 41.9	  0%	
167 Paradise Meadow           7,650	29-APR	  0.0	  0.0		 39.9	  0%	
348 Kerrick Corral            7,000	30-APR	  0.0	  0.0		 23.5	  0%	
169 Vernon Lake               6,700	27-APR	  0.0	  0.0		 22.4	  0%	
168 Upper Kibbie Ridge        6,700	30-APR	  0.0	  0.0		 18.6	  0%	
173 Lower Kibbie              6,700	30-APR	  0.0	  0.0		 26.0	  0%	
171 Beehive Meadow            6,500	29-APR	  0.0	  0.0		 23.5	  0%	
172 Bell Meadow               6,500	30-APR	  0.0	  0.0		 15.5	  0%	
                                                Basin Average Pct. of April 1:   2%
                                                                     May 1:   3%
                              Merced River Basin
176 Snow Flat                 8,700	24-APR	  0.5	  0.5	100%	 44.5	  1%	
177 Ostrander Lake            8,200	30-APR	  0.0	  0.0		 32.6	  0%	
178 Tenaya Lake               8,150	24-APR	  0.0	  0.0		 33.6	  0%	
179 Gin Flat (Course)         7,000	26-APR	  0.0	  0.0		 32.0	  0%	
180 Peregoy Meadows           7,000	30-APR	  0.0	  0.0		 29.3	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              San Joaquin River Basin
183 Piute Pass               11,300	29-APR	 23.0	  9.0	39%	 37.9	 24%	
276 Pioneer Basin            10,400	28-APR	  0.0	  0.0		 34.0	  0%	
185 Heart Lake               10,100	28-APR	  0.0	  0.0		 27.9	  0%	
187 Rose Marie               10,000	28-APR	  0.0	  0.0		 29.7	  0%	
191 Dutch Lake                9,100	28-APR	  0.0	  0.0		 28.1	  0%	
190 Kaiser Pass               9,100	28-APR	  0.0	  0.0		 39.0	  0%	
193 Cora Lakes                8,400	29-APR	  0.0	  0.0		 36.3	  0%	
440 Devil's Postpile          7,569	28-APR	  0.0	  0.0				
196 Chilkoot Lake             7,450	28-APR	  0.0	  0.0		 36.8	  0%	
197 Chilkoot Meadow           7,150	28-APR	  2.5	  0.5	20%	 36.6	  1%	
200 Clover Meadow             7,000	28-APR	  0.0	  0.0		 22.8	  0%	
199 Huntington Lake           7,000	28-APR	  0.0	  0.0		 18.6	  0%	
201 Jackass Meadow            6,950	28-APR	  0.0	  0.0		 24.0	  0%	
204 Poison Meadow             6,800	28-APR	  1.0	  0.5	50%	 24.8	  2%	
202 Chiquito Creek            6,800	28-APR	  0.0	  0.0		 21.7	  0%	
                                                Basin Average Pct. of April 1:   2%
                                                                     May 1:   2%
                              Kings River Basin
223 Blackcap Basin           10,300	27-APR	 11.0	  4.0	36%	 34.1	 12%	
396 Rattlesnake Creek Ba      9,900	28-APR	  0.0	  0.0		 39.8	  0%	
225 Beard Meadow              9,800	27-APR	  2.5	  0.5	20%	 33.3	  2%	
224 Upper Burnt Corral        9,700	27-APR	  2.0	  0.5	25%	 37.8	  1%	
229 Round Corral              9,000	28-APR	  0.5	  0.0	 0%	 35.8	  0%	
227 Woodchuck Meadow          8,800	28-APR	  0.0	  0.0		 31.5	  0%	
232 Long Meadow (Kings R)     8,500	27-APR	  0.0	  0.0		 29.3	  0%	
426 Courtright                8,350	28-APR	  0.0	  0.0		 30.7	  0%	
233 Statum Meadow             8,300	28-APR	  0.0	  0.0		 32.3	  0%	
230 Helms Meadow              8,250	27-APR	  0.0	  0.0		 26.7	  0%	
234 Post Corral Meadow        8,200	27-APR	  0.0	  0.0		 26.3	  0%	
308 Dodsons Meadow            8,050	27-APR	  0.0	  0.0		 29.6	  0%	
438 Ridge Trail               7,500	30-APR	  0.0	  0.0				
239 Fred Meadow               6,950	28-APR	  0.0	  0.0		 21.3	  0%	
                                                Basin Average Pct. of April 1:   1%
                                                                     May 1:   1%
                              Kaweah River Basin
292 Farewell Gap              9,500	27-APR	  0.0	  0.0		 35.8	  0%	
243 Panther Meadow            8,600	03-MAY	  0.0	  0.0		 36.7	  0%	
244 Hockett Meadows           8,500		Scheduled for measurement by Sequoia and Kings Canyon National Parks
245 Mineral King              8,000	27-APR	  0.0	  0.0		 20.6	  0%	
246 Giant Forest              6,400	28-APR	  0.0	  0.0		 14.7	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Tule River Basin
247 Quaking Aspen             7,000	30-APR	  0.0	  0.0		 12.3	  0%	
248 Old Enterprise Mill       6,600	29-APR	  0.0	  0.0		 14.3	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Kern River Basin
250 Bighorn Plateau          11,350	01-MAY	  0.0	  0.0		 23.7	  0%	
251 Cottonwood Pass          11,050	28-APR	  0.0	  0.0		 14.8	  0%	
252 Siberian Pass            10,900	29-APR	  0.0	  0.0		 20.0	  0%	
253 Crabtree Meadow          10,700	30-APR	  0.0	  0.0		 19.6	  0%	
255 Tyndall Creek            10,650	01-MAY	  0.0	  0.0		 18.8	  0%	
254 Guyot Flat               10,650	30-APR	  0.0	  0.0		 20.8	  0%	
275 Sandy Meadows            10,650	01-MAY	  0.0	  0.0		 19.2	  0%	
257 Big Whitney Meadow        9,750	28-APR	  0.0	  0.0		 17.2	  0%	
256 Rock Creek                9,600	30-APR	  0.0	  0.0		 17.8	  0%	
258 Round Meadow              9,000		Scheduled for measurement by Kern River Ranger District
259 Ramshaw Meadows           8,700	28-APR	  0.0	  0.0		 11.5	  0%	
260 Little Whitney Meadow     8,500		Scheduled for measurement by CA Dept of Water Resources
264 Quinn Ranger Station      8,350		Scheduled for measurement by Sequoia and Kings Canyon National Parks
249 Dead Horse Meadow         7,300	30-APR	  0.0	  0.0		 10.7	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Susan River Basin
 45 Silver Lake Meadows       6,450	30-APR	  0.0	  0.0		 29.4	  0%	
 46 Norvell Flat              5,700	30-APR	  0.0	  0.0		 15.1	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%
                              Walker River Basin
377 Virginia Lakes Ridge      9,300	28-APR	  2.5	  1.0	40%	 19.5	  5%	
152 Sonora Pass               8,750	28-APR	  0.0	  0.0		 24.9	  0%	
                                                Basin Average Pct. of April 1:   3%
                                                                     May 1:   3%
                              Owens River Basin
212 East Piute Pass          10,800	29-APR	  0.0	  0.0		 15.2	  0%	
221 Cottonwood Lakes 1       10,150		Scheduled for measurement by City of Los Angeles; Dept of Water and Power
205 Mammoth Pass (Ladwp)      9,300		Scheduled for measurement by City of Los Angeles; Dept of Water and Power
214 North Lake                9,300	29-APR	  0.0	  0.0		 10.2	  0%	
                                                Basin Average Pct. of April 1:   0%
                                                                     May 1:   0%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
May 1
North Coast 1 8 0.1" 0% 0%
Sacramento 4 65 1.2" 2% 3%
San Joaquin Valley 5 57 0.7" 2% 2%
Tulare Lake 1 30 0.2" 0% 1%
North Lahontan 1 4 0.2" 1% 2%
South Lahontan
Statewide Average (weighted) 1% 2%

* 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.


Report name: