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Snow Course Measurements for February 2007
February measurements received as of Thursday, February 15, 06:01 PM
Num Name Elev. Date Depth Water Density April 1 Average
Content
Shasta River Basin
1 Parks Creek 6,700 25-JAN 49.4 13.1 27% 37.4 35%
3 Sweetwater 5,850 25-JAN 20.1 3.8 19% 13.7 28%
Basin Average Pct. of April 1: 31%
February 1: 51%
Scott River Basin
5 Middle Boulder 1 6,600 30-JAN 27.6 8.8 32% 32.4 27%
311 Middle Boulder 3 6,200 30-JAN 27.9 9.6 34% 28.3 34%
298 Dynamite Meadow 5,700 30-JAN 22.4 7.4 33% 18.6 40%
285 Swampy John 5,500 31-JAN 19.1 7.0 37% 34.0 21%
Basin Average Pct. of April 1: 30%
February 1: 49%
Trinity River Basin
9 Deadfall Lakes 7,200 25-JAN 29.5 7.7 26% 34.2 23%
10 Red Rock Mountain 6,700 01-FEB 45.1 15.6 35% 44.1 35%
11 Bear Basin 6,500 01-FEB 25.0 8.0 32% 39.1 20%
12 Shimmy Lake 6,400 01-FEB 33.1 10.6 32% 50.3 21%
16 Highland Lakes 6,030 01-FEB 26.4 7.5 28% 35.2 21%
437 Paradise Peak 5,800 Scheduled for measurement by Hayfork Ranger District
17 Big Flat (Course) 5,100 01-FEB 12.7 2.2 17% 13.1 17%
Basin Average Pct. of April 1: 23%
February 1: 37%
Sacramento River Basin
18 Mount Shasta 7,900 25-JAN 49.2 14.5 29% 53.6 27%
19 Sand Flat (Course) 6,800 26-JAN 44.9 12.3 27% 43.6 28%
21 Gray Rock Lakes 6,200 02-FEB 41.5 11.5 28% 48.4 24%
22 Slate Creek 5,700 01-FEB 20.2 7.2 36% 30.1 24%
Basin Average Pct. of April 1: 26%
February 1: 40%
Mc Cloud River Basin
23 Brewer Creek 6,250 30-JAN 36.8 14.4 39% 36.2 40%
25 Stouts Meadow 5,400 25-JAN 32.2 7.8 24% 37.8 21%
Basin Average Pct. of April 1: 30%
February 1: 47%
Pit River Basin
30 Cedar Pass 7,100 30-JAN 18.5 5.9 32% 16.7 35%
28 Blue Lake Ranch 6,800 30-JAN 11.0 3.2 29% 10.4 31%
33 Thousand Lakes 6,500 01-FEB 30.0 8.0 27% 34.6 23%
35 Adin Mountain 6,200 31-JAN 15.4 4.4 29% 12.5 35%
343 New Manzanita Lake 5,900 30-JAN 5.8 1.7 29% 8.0 21%
Basin Average Pct. of April 1: 29%
February 1: 46%
Cottonwood Cr Basin
436 Bully Choop 6,100 Scheduled for measurement by Hayfork Ranger District
Stony Cr Basin
62 Anthony Peak 6,200 Scheduled for measurement by Covelo Ranger District
Feather River Basin
47 Lower Lassen Peak 8,250 29-JAN 62.1 29.0 47% 80.2 36%
361 Kettle Rock 7,300 31-JAN 15.7 4.7 30% 23.4 20%
48 Mount Dyer 1 7,100 29-JAN 22.7 6.8 30% 25.9 26%
359 Grizzly Ridge 6,900 30-JAN 24.5 7.1 29% 30.4 23%
279 Eureka Bowl 6,800 25-JAN 24.6 7.9 32% 42.7 19%
388 Pilot Peak (DWR) 6,800 29-JAN 24.0 10.4 43% 45.5 23%
360 Mount Hough 6,700 26-JAN 22.9 7.1 31% 30.7 23%
280 Rowland Creek 6,700 29-JAN 17.1 3.8 22% 17.4 22%
75 Church Meadows 6,700 25-JAN 23.5 6.7 29% 30.7 22%
53 Three Lakes 6,250 30-JAN 25.5 9.4 37% 40.8 23%
52 Eureka Lake 6,200 25-JAN 19.3 5.1 26% 31.7 16%
51 Harkness Flat 6,200 29-JAN 27.0 9.2 34% 28.5 32%
290 Mount Dyer 2 6,050 29-JAN 14.9 4.4 30% 16.6 27%
54 Mill Creek Flat 5,900 30-JAN 25.1 9.3 37% 39.0 24%
353 Frenchman Cove 5,800 29-JAN 0.0 0.0 2.1 0% *
354 Antelope Ridge 5,650 31-JAN 0.0 0.0 3.0 0% *
355 Abbey 5,650 30-JAN 7.6 1.9 25% 9.0 21%
49 Letterbox 5,600 30-JAN 29.5 12.1 41% 49.0 25%
55 Mount Stover 5,600 29-JAN 12.4 4.1 33% 14.7 28%
58 Feather River Meadow 5,400 29-JAN 16.1 5.7 35% 23.1 25%
56 Browns Camp 5,400 30-JAN 6.4 2.5 39% 23.3 11%
59 Warner Creek 5,100 29-JAN 15.7 5.8 37% 14.7 39%
434 Humbug Summit 2 4,850 29-JAN 7.3 2.5 34% 14.3 17%
61 Chester Flat 4,600 31-JAN 4.9 1.9 39% 6.1 31%
Basin Average Pct. of April 1: 24%
February 1: 38%
Yuba River Basin
64 Webber Peak 7,800 31-JAN 31.3 10.4 33% 41.9 25%
65 Castle Creek 5 7,400 29-JAN 38.2 12.5 33% 52.1 24%
66 Meadow Lake 7,200 29-JAN 41.7 15.7 38% 55.8 28%
67 Red Mountain 7,200 30-JAN 38.2 14.2 37% 51.9 27%
68 English Mountain 7,100 31-JAN 32.6 11.7 36% 45.4 26%
69 Donner Summit 6,900 30-JAN 26.5 10.0 38% 38.6 26%
74 Yuba Pass 6,700 31-JAN 23.6 6.5 28% 29.6 22%
76 Furnace Flat 6,700 30-JAN 31.4 10.6 34% 48.4 22%
78 Findley Peak 6,500 31-JAN 23.0 7.8 34% 29.8 26%
77 Lake Fordyce 6,500 29-JAN 25.5 8.3 33% 40.9 20%
389 Robinson Cow Camp 6,480 29-JAN 28.8 10.7 37% 42.5 25%
390 Sunnyside Meadow 6,300 29-JAN 34.5 13.4 39% 55.4 24%
80 Cisco 5,900 30-JAN 19.2 6.8 35% 27.6 25%
372 Chapman Creek 5,850 31-JAN 18.5 6.0 32% 23.7 25%
83 Bowman Lake 5,650 31-JAN 13.9 5.2 38% 22.3 24%
391 Lexington 5,600 02-FEB 17.3 11.1 64% 30.7 36%
277 Gibsonville 5,400 02-FEB 15.6 6.9 44% 28.7 24%
85 Lake Spaulding 5,200 30-JAN 8.0 2.9 36% 21.3 14%
429 Chalk Bluff 4,850 30-JAN 0.0 0.0
Basin Average Pct. of April 1: 25%
February 1: 38%
American River Basin
106 Upper Carson Pass 8,500 02-FEB 25.4 7.6 30% 36.2 21%
331 Lower Carson Pass 8,400 02-FEB 28.7 8.4 29% 39.2 21%
107 Caples Lake (DWR) 8,000 02-FEB 28.2 8.5 30% 30.8 28%
365 Alpha 7,600 01-FEB 21.8 7.9 36% 33.8 23%
338 Lost Corner Mountain 7,500 30-JAN 23.8 8.4 35% 36.2 23%
108 Echo Summit 7,450 29-JAN 26.3 8.6 33% 33.8 25%
110 Lake Audrain 7,300 29-JAN 33.2 10.2 31% 35.3 29%
109 Silver Lake 7,100 30-JAN 18.4 6.1 33% 21.0 29%
316 Wrights Lake 6,900 30-JAN 23.6 8.5 36% 32.8 26%
113 PHillips 6,800 02-FEB 23.2 7.3 31% 27.6 26%
320 Lyons Creek 6,700 01-FEB 30.7 8.6 28% 31.8 27%
115 Huysink 6,600 31-JAN 27.2 8.4 31% 45.0 19%
289 Tamarack Flat 6,550 02-FEB 27.1 8.1 30% 28.4 29%
114 Wabena Meadows 6,300 01-FEB 33.0 9.2 28% 42.8 21%
369 Miranda Cabin 6,200 01-FEB 27.1 9.4 35% 40.0 24%
120 Onion Creek 6,100 Scheduled for measurement by Central Sierra Snow Lab
371 Diamond Crossing 6,050 01-FEB 15.3 5.3 35% 22.0 24%
122 Talbot Camp 5,750 01-FEB 11.6 4.2 36% 20.9 20%
322 Robbs Valley 5,600 31-JAN 9.6 3.6 38% 15.6 23%
127 Ice House 5,300 31-JAN 3.4 1.1 32% 5.8 19%
Basin Average Pct. of April 1: 24%
February 1: 38%
Mokelumne River Basin
323 Highland Meadow 8,700 25-JAN 39.8 14.2 36% 48.7 29%
364 Tragedy Creek 8,150 30-JAN 31.4 11.5 37% 45.0 26%
129 Blue Lakes 8,000 25-JAN 28.6 8.9 31% 36.2 25%
131 Wheeler Lake 7,800 25-JAN 42.0 15.1 36% 53.3 28%
132 Pacific Valley 7,500 25-JAN 28.1 8.9 32% 38.9 23%
363 Podesta 7,200 31-JAN 30.2 11.1 37% 44.8 25%
133 Corral Flat 7,200 30-JAN 33.2 11.8 36% 40.5 29%
134 Bear Valley Ridge 1 6,700 25-JAN 18.7 5.7 30% 24.6 23%
435 Lumberyard 2 6,500 31-JAN 7.1 3.2 45% 13.8 23%
136 Hams Station 5,500 31-JAN 1.5 0.7 44% 5.3 12% *
137 Antelope Springs 4,350 30-JAN 1.0 0.6 63% 2.9 21% *
Basin Average Pct. of April 1: 26%
February 1: 41%
Stanislaus River Basin
345 Deadman Creek 9,250 29-JAN 29.3 9.3 32% 35.1 26%
344 Clark Fork Meadow 8,900 29-JAN 38.1 12.3 32% 39.8 31%
427 Gianelli Meadow 8,400 30-JAN 37.5 11.8 31% 52.9 22%
138 Lower Relief Valley 8,100 29-JAN 28.3 9.1 32% 39.6 23%
139 Soda Creek Flat 7,800 29-JAN 14.4 4.4 31% 22.0 20%
384 Stanislaus Meadow 7,750 25-JAN 32.1 11.3 35% 51.0 22%
140 Eagle Meadow 7,500 29-JAN 19.7 6.0 30% 24.2 25%
142 Herring Creek 7,300 25-JAN 26.3 8.5 32% 28.0 30%
143 Relief Dam 7,250 29-JAN 19.0 5.7 30% 19.9 29%
416 Bloods Creek 7,200 29-JAN 28.3 8.7 31% 34.6 25%
432 Sapps Hollow 6,950 02-FEB 28.2 8.7 31% 33.0 26%
430 Corral Meadow 6,650 02-FEB 23.0 7.3 32% 19.7 37%
373 Hells Kitchen 6,550 29-JAN 14.0 4.9 35% 21.8 22%
145 Niagara Flat 6,500 25-JAN 21.1 6.1 29% 19.6 31%
386 Black Springs 6,500 29-JAN 20.3 6.8 33% 22.0 31%
Basin Average Pct. of April 1: 27%
February 1: 43%
Tuolumne River Basin
157 Dana Meadows 9,800 25-JAN 27.5 9.2 33% 31.1 30%
158 Rafferty Meadows 9,400 27-JAN 28.5 7.8 27% 32.8 24%
159 Bond Pass 9,300 25-JAN 29.9 9.8 33% 44.9 22%
368 New Grace Meadow 8,900 29-JAN 40.6 14.5 36% 48.0 30%
161 Tuolumne Meadows 8,600 26-JAN 17.2 5.2 30% 22.7 23%
162 Horse Meadow 8,400 25-JAN 42.0 15.0 36% 46.7 32%
163 Wilma Lake 8,000 29-JAN 34.6 13.1 38% 43.2 30%
165 Sachse Springs 7,900 27-JAN 26.0 8.5 33% 38.1 22%
166 Huckleberry Lake 7,800 26-JAN 28.0 8.0 29% 41.9 19%
164 Spotted Fawn 7,800 27-JAN 35.0 12.5 36% 45.6 27%
167 Paradise Meadow 7,650 28-JAN 32.5 10.4 32% 39.9 26%
348 Kerrick Corral 7,000 29-JAN 29.3 8.7 30% 23.5 37%
168 Upper Kibbie Ridge 6,700 28-JAN 14.0 4.3 31% 18.6 23%
169 Vernon Lake 6,700 27-JAN 19.6 7.0 36% 22.4 31%
173 Lower Kibbie 6,700 28-JAN 18.0 6.2 34% 26.0 24%
171 Beehive Meadow 6,500 27-JAN 26.9 6.4 24% 23.5 27%
172 Bell Meadow 6,500 29-JAN 15.6 5.8 37% 15.5 37%
Basin Average Pct. of April 1: 27%
February 1: 43%
Merced River Basin
176 Snow Flat 8,700 29-JAN 35.7 11.2 31% 44.5 25%
177 Ostrander Lake 8,200 28-JAN 34.0 9.0 26% 32.6 28%
178 Tenaya Lake 8,150 30-JAN 25.7 7.9 31% 33.6 24%
179 Gin Flat (Course) 7,000 27-JAN 22.0 8.0 36% 32.0 25%
180 Peregoy Meadows 7,000 27-JAN 23.7 8.0 34% 29.3 27%
Basin Average Pct. of April 1: 26%
February 1: 41%
San Joaquin River Basin
182 Mono Pass 11,450 Scheduled for measurement by Southern California Edison Company, Big Creek
183 Piute Pass 11,300 29-JAN 24.3 7.5 31% 37.9 20%
276 Pioneer Basin 10,400 01-FEB 30.7 8.0 26% 34.0 24%
187 Rose Marie 10,000 01-FEB 23.4 5.9 25% 29.7 20%
189 Agnew Pass 9,450 Scheduled for measurement by Southern California Edison Company, Bishop
190 Kaiser Pass 9,100 01-FEB 30.4 8.0 26% 39.0 21%
191 Dutch Lake 9,100 01-FEB 26.0 7.2 28% 28.1 26%
346 Badger Flat 8,300 02-FEB 29.0 8.1 28% 30.8 26%
194 Nellie Lake 8,000 02-FEB 36.8 9.6 26% 35.8 27%
324 Lake Thomas A Edison 7,800 01-FEB 17.8 5.2 29% 14.7 35%
196 Chilkoot Lake 7,450 29-JAN 32.4 9.0 28% 36.8 24%
347 Tamarack Creek 7,250 31-JAN 29.1 6.0 21% 23.8 25%
198 Florence Lake 7,200 01-FEB 13.2 2.9 22% 7.6 38%
197 Chilkoot Meadow 7,150 29-JAN 36.6 10.2 28% 36.6 28%
199 Huntington Lake 7,000 29-JAN 30.4 7.1 23% 18.6 38%
204 Poison Meadow 6,800 29-JAN 25.7 8.2 32% 24.8 33%
Basin Average Pct. of April 1: 27%
February 1: 44%
Kings River Basin
222 Bishop Pass 11,200 02-FEB 22.2 6.7 30% 35.0 19%
299 Charlotte Ridge 10,700 26-JAN 21.2 4.9 23% 29.9 16%
307 Bullfrog Lake 10,650 25-JAN 21.2 5.8 27% 28.5 20%
398 Bench Lake 10,600 25-JAN 15.8 4.3 27% 27.1 16%
223 Blackcap Basin 10,300 30-JAN 22.4 6.7 30% 34.1 20%
396 Rattlesnake Creek Ba 9,900 29-JAN 24.9 8.3 33% 39.8 21%
225 Beard Meadow 9,800 29-JAN 22.9 6.9 30% 33.3 21%
224 Upper Burnt Corral 9,700 29-JAN 27.8 9.1 33% 37.8 24%
397 Scenic Meadow 9,650 25-JAN 18.7 4.1 22% 24.1 17%
229 Round Corral 9,000 30-JAN 26.8 8.4 31% 35.8 23%
226 Rowell Meadow 8,850 25-JAN 21.3 5.9 28% 26.5 22%
227 Woodchuck Meadow 8,800 30-JAN 25.9 7.4 29% 31.5 23%
232 Long Meadow (Kings R) 8,500 29-JAN 24.6 6.4 26% 29.3 22%
426 Courtright 8,350 31-JAN 20.2 5.9 29% 30.7 19%
233 Statum Meadow 8,300 30-JAN 27.1 8.9 33% 32.3 28%
230 Helms Meadow 8,250 30-JAN 24.5 8.1 33% 26.7 30%
234 Post Corral Meadow 8,200 29-JAN 21.7 5.9 27% 26.3 22%
308 Dodsons Meadow 8,050 29-JAN 25.6 6.1 24% 29.6 21%
237 Horse Corral Meadow 7,600 25-JAN 17.6 3.7 21% 16.3 23%
236 Big Meadows 7,600 25-JAN 20.6 5.0 24% 24.6 20%
239 Fred Meadow 6,950 31-JAN 20.7 7.2 35% 21.3 34%
240 Grant Grove 6,600 31-JAN 9.3 3.1 34% 13.4 23%
Basin Average Pct. of April 1: 22%
February 1: 36%
Kaweah River Basin
292 Farewell Gap 9,500 31-JAN 31.2 6.4 21% 35.8 18%
243 Panther Meadow 8,600 29-JAN 29.0 8.0 28% 36.7 22%
245 Mineral King 8,000 31-JAN 22.0 5.0 23% 20.6 24%
246 Giant Forest 6,400 30-JAN 23.0 6.0 26% 14.7 41%
Basin Average Pct. of April 1: 26%
February 1: 43%
Tule River Basin
247 Quaking Aspen 7,000 02-FEB 22.3 5.8 26% 12.3 47%
Basin Average Pct. of April 1: 47%
February 1: 77%
Kern River Basin
250 Bighorn Plateau 11,350 27-JAN 12.7 2.2 17% 23.7 9%
251 Cottonwood Pass 11,050 02-FEB 6.7 1.0 15% 14.8 7%
252 Siberian Pass 10,900 30-JAN 6.3 0.7 11% 20.0 3%
253 Crabtree Meadow 10,700 29-JAN 17.0 2.7 16% 19.6 14%
255 Tyndall Creek 10,650 27-JAN 7.7 1.9 25% 18.8 10%
254 Guyot Flat 10,650 29-JAN 20.0 3.2 16% 20.8 15%
275 Sandy Meadows 10,650 28-JAN 18.7 2.9 16% 19.2 15%
257 Big Whitney Meadow 9,750 30-JAN 9.7 1.3 13% 17.2 8%
256 Rock Creek 9,600 29-JAN 17.8 3.0 17% 17.8 17%
258 Round Meadow 9,000 31-JAN 28.1 6.8 24% 24.1 28%
259 Ramshaw Meadows 8,700 31-JAN 12.2 1.9 16% 11.5 17%
260 Little Whitney Meadow 8,500 01-FEB 15.2 3.0 20% 12.9 23%
261 Bonita Meadows 8,300 31-JAN 19.8 4.2 21% 13.6 31%
262 Casa Vieja Meadows 8,300 01-FEB 18.9 4.0 21% 19.8 20%
265 Beach Meadows 7,650 Scheduled for measurement by Cannell Meadow Ranger District
249 Dead Horse Meadow 7,300 Scheduled for measurement by Hot Springs Ranger District
Basin Average Pct. of April 1: 16%
February 1: 25%
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 30-JAN 35.0 11.9 34% 48.4 25%
89 Webber Lake 7,000 31-JAN 27.6 8.4 30% 31.7 26%
Basin Average Pct. of April 1: 26%
February 1: 41%
Lake Tahoe Basin
99 Rubicon Peak 2 7,500 31-JAN 24.4 7.1 29% 30.8 23%
100 Freel Bench 7,300 30-JAN 14.0 4.0 29% 10.4 38%
101 Ward Creek 2 7,000 31-JAN 24.9 8.0 32% 41.8 19%
333 Glenbrook 2 (Nevada) 6,900 30-JAN 8.0 2.1 26% 11.6 18%
103 Richardsons 2 6,500 29-JAN 14.0 3.2 23% 15.6 21%
104 Upper Truckee 6,400 29-JAN 5.0 1.4 28% 7.4 19%
Basin Average Pct. of April 1: 23%
February 1: 37%
Walker River Basin
421 Leavitt Lake 9,600 30-JAN 38.0 13.5 36% 50.8 27%
150 Virginia Lakes 9,400 Scheduled for measurement by CA Dept of Water Resources
377 Virginia Lakes Ridge 9,300 27-JAN 13.0 2.3 18% 19.5 12%
422 Sawmill Ridge 8,750 Scheduled for measurement by Natural Resources Conservation Service
152 Sonora Pass 8,750 29-JAN 21.9 5.3 24% 24.9 21%
154 Willow Flat 8,250 30-JAN 16.0 2.8 18% 9.9 28%
Basin Average Pct. of April 1: 22%
February 1: 35%
Mono Lake Basin
281 Gem Pass 10,750 Scheduled for measurement by Southern California Edison Company, Bishop
181 Tioga Pass 9,800 30-JAN 20.0 6.3 32% 26.8 24%
287 Saddlebag Lake 9,750 30-JAN 32.7 8.6 26% 31.3 27%
286 Ellery Lake 9,600 30-JAN 33.1 8.6 26% 29.0 30%
282 Gem Lake 9,150 Scheduled for measurement by Southern California Edison Company, Bishop
Basin Average Pct. of April 1: 27%
February 1: 43%
Owens River Basin
284 Bishop Lake 11,300 01-FEB 19.6 5.4 28% 21.9 25%
220 Cottonwood Lakes 2 11,100 24-JAN 4.3 1.2 28% 14.1 9%
212 East Piute Pass 10,800 28-JAN 11.8 2.0 17% 15.2 13%
213 Sawmill 10,200 01-FEB 11.8 2.3 19% 19.0 12%
221 Cottonwood Lakes 1 10,150 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
209 Rock Creek 3 10,000 26-JAN 12.9 3.1 24% 14.7 21%
217 Big Pine Creek 1 10,000 30-JAN 13.8 2.6 19% 22.6 12%
218 Big Pine Creek 3 9,800 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
219 Big Pine Creek 2 9,700 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
205 Mammoth Pass (Ladwp) 9,300 31-JAN 27.7 8.8 32% 41.9 21%
214 North Lake 9,300 28-JAN 9.6 1.6 17% 10.2 16%
423 Trailhead 9,100 24-JAN 5.0 1.0 20% 13.2 8%
210 Rock Creek 2 9,050 26-JAN 11.6 2.6 22% 11.0 24%
206 Minarets 2 9,000 31-JAN 21.6 6.9 32% 29.1 24%
211 Rock Creek 1 8,700 26-JAN 8.6 1.9 22% 7.5 25%
208 Mammoth 8,300 31-JAN 17.2 5.6 33% 20.2 28%
Basin Average Pct. of April 1: 18%
February 1: 29%
Summary of Snow Surveys
| Region | No. Basins | No. Courses | Avg WC | % Average April 1 | % Average February 1 |
|---|---|---|---|---|---|
| North Coast | 3 | 12 | 8.4" | 27% | 43% |
| Sacramento | 6 | 72 | 7.8" | 24% | 38% |
| San Joaquin Valley | 5 | 60 | 8.5" | 27% | 43% |
| Tulare Lake | 4 | 41 | 5.1" | 21% | 34% |
| North Lahontan | 3 | 12 | 5.8" | 23% | 37% |
| South Lahontan | 2 | 16 | 4.3" | 20% | 31% |
| Statewide Average (weighted) | 25% | 39% | |||
* 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.
hart@water.ca.gov