Most Popular Links
Snow Course Measurements for May 2007
May measurements received as of Tuesday, May 15, 06:01 PM
Num Name Elev. Date Depth Water Density April 1 Average
Content
Scott River Basin
5 Middle Boulder 1 6,600 01-MAY 6.1 3.1 51% 32.4 10%
311 Middle Boulder 3 6,200 20-APR 4.4 1.9 43% 28.3 7%
298 Dynamite Meadow 5,700 01-MAY 0.0 0.0 18.6 0%
285 Swampy John 5,500 26-APR 26.0 10.0 38% 34.0 29%
Basin Average Pct. of April 1: 11%
May 1: 16%
Trinity River Basin
9 Deadfall Lakes 7,200 25-APR 33.3 15.8 47% 34.2 46%
10 Red Rock Mountain 6,700 26-APR 40.0 20.0 50% 44.1 45%
11 Bear Basin 6,500 26-APR 26.7 12.5 47% 39.1 32%
12 Shimmy Lake 6,400 26-APR 40.9 17.9 44% 50.3 36%
16 Highland Lakes 6,030 26-APR 0.0 0.0 35.2 0%
437 Paradise Peak 5,800 Scheduled for measurement by Hayfork Ranger District
17 Big Flat (Course) 5,100 26-APR 0.0 0.0 13.1 0%
Basin Average Pct. of April 1: 27%
May 1: 38%
Sacramento River Basin
18 Mount Shasta 7,900 25-APR 67.4 31.5 47% 53.6 59%
19 Sand Flat (Course) 6,800 24-APR 46.9 23.3 50% 43.6 53%
22 Slate Creek 5,700 26-APR 0.0 0.0 30.1 0%
Basin Average Pct. of April 1: 37%
May 1: 52%
Mc Cloud River Basin
23 Brewer Creek 6,250 27-APR 22.5 11.0 49% 36.2 30%
25 Stouts Meadow 5,400 25-APR 15.8 6.4 41% 37.8 17%
Basin Average Pct. of April 1: 24%
May 1: 33%
Pit River Basin
33 Thousand Lakes 6,500 01-MAY 20.4 9.5 47% 34.6 27%
35 Adin Mountain 6,200 26-APR 0.4 0.2 33% 12.5 1%
343 New Manzanita Lake 5,900 30-APR 0.0 0.0 8.0 0%
Basin Average Pct. of April 1: 10%
May 1: 13%
Cottonwood Cr Basin
436 Bully Choop 6,100 Scheduled for measurement by Hayfork Ranger District
Feather River Basin
47 Lower Lassen Peak 8,250 25-APR 119.0 57.1 48% 80.2 71%
361 Kettle Rock 7,300 27-APR 7.1 2.4 34% 23.4 10%
48 Mount Dyer 1 7,100 24-APR 37.9 14.2 37% 25.9 55%
359 Grizzly Ridge 6,900 30-APR 11.0 3.7 34% 30.4 12%
388 Pilot Peak (DWR) 6,800 24-APR 26.2 9.8 37% 45.5 22%
279 Eureka Bowl 6,800 25-APR 20.9 8.4 40% 42.7 20%
360 Mount Hough 6,700 26-APR 26.0 10.9 42% 30.7 36%
280 Rowland Creek 6,700 24-APR 5.5 1.7 31% 17.4 10%
75 Church Meadows 6,700 25-APR 23.2 11.3 49% 30.7 37%
53 Three Lakes 6,250 24-APR 31.8 14.1 44% 40.8 35%
52 Eureka Lake 6,200 25-APR 8.1 2.4 30% 31.7 8%
51 Harkness Flat 6,200 24-APR 13.1 4.2 32% 28.5 15%
290 Mount Dyer 2 6,050 24-APR 5.4 2.0 37% 16.6 12%
54 Mill Creek Flat 5,900 24-APR 28.9 12.6 44% 39.0 32%
353 Frenchman Cove 5,800 24-APR 0.0 0.0 2.1 0% *
354 Antelope Ridge 5,650 27-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 40.9 17.8 44% 49.0 36%
55 Mount Stover 5,600 24-APR 0.9 0.3 33% 14.7 2%
56 Browns Camp 5,400 24-APR 1.0 0.4 40% 23.3 2%
58 Feather River Meadow 5,400 24-APR 6.3 2.2 35% 23.1 10%
59 Warner Creek 5,100 24-APR 3.9 1.1 28% 14.7 7%
434 Humbug Summit 2 4,850 24-APR 0.0 0.0 14.3 0%
Basin Average Pct. of April 1: 20%
May 1: 28%
Yuba River Basin
64 Webber Peak 7,800 27-APR 54.6 25.9 47% 41.9 62%
65 Castle Creek 5 7,400 02-MAY 47.8 21.4 45% 52.1 41%
66 Meadow Lake 7,200 24-APR 75.4 31.2 41% 55.8 56%
67 Red Mountain 7,200 25-APR 58.5 24.6 42% 51.9 47%
68 English Mountain 7,100 27-APR 39.0 19.1 49% 45.4 42%
69 Donner Summit 6,900 25-APR 18.8 7.6 40% 38.6 20%
74 Yuba Pass 6,700 30-APR 0.0 0.0 29.6 0%
76 Furnace Flat 6,700 25-APR 57.0 23.9 42% 48.4 49%
77 Lake Fordyce 6,500 24-APR 31.4 12.0 38% 40.9 29%
78 Findley Peak 6,500 27-APR 15.2 7.1 47% 29.8 24%
389 Robinson Cow Camp 6,480 24-APR 35.2 13.7 39% 42.5 32%
390 Sunnyside Meadow 6,300 24-APR 58.4 23.9 41% 55.4 43%
80 Cisco 5,900 25-APR 8.4 3.1 37% 27.6 11%
372 Chapman Creek 5,850 30-APR 2.3 0.9 39% 23.7 4%
83 Bowman Lake 5,650 27-APR 0.0 0.0 22.3 0%
391 Lexington 5,600 01-MAY 0.0 0.0 30.7 0%
277 Gibsonville 5,400 01-MAY 0.0 0.0 28.7 0%
85 Lake Spaulding 5,200 25-APR 8.0 3.2 40% 21.3 15%
Basin Average Pct. of April 1: 26%
May 1: 37%
American River Basin
106 Upper Carson Pass 8,500 30-APR 8.3 3.6 43% 36.2 10%
331 Lower Carson Pass 8,400 30-APR 19.3 8.7 45% 39.2 22%
107 Caples Lake (DWR) 8,000 30-APR 11.6 4.7 41% 30.8 15%
365 Alpha 7,600 30-APR 9.3 4.2 45% 33.8 12%
338 Lost Corner Mountain 7,500 24-APR 44.7 15.9 36% 36.2 44%
108 Echo Summit 7,450 30-APR 16.1 6.3 39% 33.8 19%
110 Lake Audrain 7,300 30-APR 15.5 6.5 42% 35.3 18%
109 Silver Lake 7,100 27-APR 1.3 0.6 46% 21.0 3%
316 Wrights Lake 6,900 24-APR 30.5 10.2 33% 32.8 31%
113 PHillips 6,800 01-MAY 0.0 0.0 27.6 0%
320 Lyons Creek 6,700 30-APR 20.7 7.3 35% 31.8 23%
115 Huysink 6,600 27-APR 30.2 13.2 44% 45.0 29%
289 Tamarack Flat 6,550 30-APR 10.9 4.2 39% 28.4 15%
114 Wabena Meadows 6,300 30-APR 32.6 13.7 42% 42.8 32%
369 Miranda Cabin 6,200 30-APR 11.8 4.6 39% 40.0 12%
120 Onion Creek 6,100 01-MAY 0.5 0.2 40% 19.6 1%
371 Diamond Crossing 6,050 30-APR 1.2 0.4 33% 22.0 2%
122 Talbot Camp 5,750 30-APR 0.0 0.0 20.9 0%
322 Robbs Valley 5,600 30-APR 0.0 0.0 15.6 0%
127 Ice House 5,300 30-APR 0.0 0.0 5.8 0%
Basin Average Pct. of April 1: 14%
May 1: 20%
Mokelumne River Basin
323 Highland Meadow 8,700 24-APR 64.1 27.7 43% 48.7 57%
364 Tragedy Creek 8,150 27-APR 43.6 20.9 48% 45.0 46%
129 Blue Lakes 8,000 24-APR 42.4 16.0 38% 36.2 44%
131 Wheeler Lake 7,800 24-APR 71.0 30.9 44% 53.3 58%
132 Pacific Valley 7,500 24-APR 34.7 13.4 39% 38.9 34%
363 Podesta 7,200 28-APR 35.9 17.0 47% 44.8 38%
133 Corral Flat 7,200 27-APR 38.4 19.3 50% 40.5 48%
134 Bear Valley Ridge 1 6,700 24-APR 16.0 5.3 33% 24.6 22%
435 Lumberyard 2 6,500 27-APR 0.0 0.0 13.8 0%
136 Hams Station 5,500 27-APR 0.0 0.0 5.3 0% *
137 Antelope Springs 4,350 27-APR 0.0 0.0 2.9 0% *
Basin Average Pct. of April 1: 39%
May 1: 47%
Stanislaus River Basin
345 Deadman Creek 9,250 24-APR 42.9 18.2 42% 35.1 52%
344 Clark Fork Meadow 8,900 24-APR 48.6 21.0 43% 39.8 53%
427 Gianelli Meadow 8,400 27-APR 55.6 25.4 46% 52.9 48%
138 Lower Relief Valley 8,100 25-APR 34.7 14.9 43% 39.6 38%
139 Soda Creek Flat 7,800 25-APR 0.4 0.1 25% 22.0 0%
384 Stanislaus Meadow 7,750 24-APR 46.9 20.0 43% 51.0 39%
140 Eagle Meadow 7,500 25-APR 4.9 1.9 39% 24.2 8%
142 Herring Creek 7,300 25-APR 14.8 5.8 39% 28.0 21%
143 Relief Dam 7,250 25-APR 0.0 0.0 19.9 0%
416 Bloods Creek 7,200 25-APR 18.5 7.5 41% 34.6 22%
373 Hells Kitchen 6,550 25-APR 0.0 0.0 21.8 0%
145 Niagara Flat 6,500 25-APR 1.4 0.6 43% 19.6 3%
386 Black Springs 6,500 25-APR 3.2 1.1 34% 22.0 5%
Basin Average Pct. of April 1: 22%
May 1: 27%
Tuolumne River Basin
157 Dana Meadows 9,800 25-APR 34.0 16.0 47% 31.1 51%
159 Bond Pass 9,300 30-APR 41.5 18.4 44% 44.9 41%
368 New Grace Meadow 8,900 30-APR 54.4 26.0 48% 48.0 54%
161 Tuolumne Meadows 8,600 27-APR 0.0 0.0 22.7 0%
162 Horse Meadow 8,400 30-APR 47.6 25.3 53% 46.7 54%
163 Wilma Lake 8,000 30-APR 40.1 19.1 48% 43.2 44%
165 Sachse Springs 7,900 03-MAY 6.9 2.3 33% 38.1 6%
166 Huckleberry Lake 7,800 02-MAY 32.7 13.2 40% 41.9 32%
164 Spotted Fawn 7,800 02-MAY 43.7 20.0 46% 45.6 44%
167 Paradise Meadow 7,650 29-APR 28.4 13.3 47% 39.9 33%
348 Kerrick Corral 7,000 26-APR 12.0 4.9 41% 23.5 21%
173 Lower Kibbie 6,700 30-APR 0.0 0.0 26.0 0%
169 Vernon Lake 6,700 28-APR 3.3 1.1 33% 22.4 5%
168 Upper Kibbie Ridge 6,700 30-APR 0.0 0.0 18.6 0%
171 Beehive Meadow 6,500 28-APR 0.0 0.0 23.5 0%
172 Bell Meadow 6,500 26-APR 0.0 0.0 15.5 0%
Basin Average Pct. of April 1: 24%
May 1: 29%
Merced River Basin
176 Snow Flat 8,700 27-APR 41.0 25.5 62% 44.5 57%
177 Ostrander Lake 8,200 27-APR 15.2 6.2 41% 32.6 19%
178 Tenaya Lake 8,150 24-APR 25.0 10.0 40% 33.6 30%
180 Peregoy Meadows 7,000 02-MAY 6.7 2.9 43% 29.3 10%
179 Gin Flat (Course) 7,000 02-MAY 0.0 0.0 32.0 0%
Basin Average Pct. of April 1: 23%
May 1: 28%
San Joaquin River Basin
183 Piute Pass 11,300 01-MAY 48.9 20.1 41% 37.9 53%
193 Cora Lakes 8,400 30-APR 8.1 3.5 43% 36.3 10%
196 Chilkoot Lake 7,450 01-MAY 2.0 0.6 30% 36.8 2%
197 Chilkoot Meadow 7,150 27-APR 22.6 11.0 49% 36.6 30%
200 Clover Meadow 7,000 30-APR 0.0 0.0 22.8 0%
201 Jackass Meadow 6,950 30-APR 0.0 0.0 24.0 0%
204 Poison Meadow 6,800 27-APR 1.8 1.1 61% 24.8 4%
202 Chiquito Creek 6,800 30-APR 0.0 0.0 21.7 0%
Basin Average Pct. of April 1: 12%
May 1: 15%
Kings River Basin
223 Blackcap Basin 10,300 25-APR 39.1 16.0 41% 34.1 47%
396 Rattlesnake Creek Ba 9,900 25-APR 23.9 10.3 43% 39.8 26%
225 Beard Meadow 9,800 25-APR 33.6 14.8 44% 33.3 44%
224 Upper Burnt Corral 9,700 25-APR 34.3 15.9 46% 37.8 42%
229 Round Corral 9,000 26-APR 24.5 10.5 43% 35.8 29%
227 Woodchuck Meadow 8,800 26-APR 23.8 9.9 42% 31.5 32%
232 Long Meadow (Kings R) 8,500 25-APR 8.2 4.0 49% 29.3 14%
426 Courtright 8,350 26-APR 10.6 5.4 51% 30.7 18%
233 Statum Meadow 8,300 26-APR 11.5 6.0 52% 32.3 19%
230 Helms Meadow 8,250 25-APR 2.7 1.3 48% 26.7 5%
234 Post Corral Meadow 8,200 25-APR 9.0 4.0 44% 26.3 15%
308 Dodsons Meadow 8,050 25-APR 1.3 0.6 49% 29.6 2%
438 Ridge Trail 7,500 30-APR 0.0 0.0
239 Fred Meadow 6,950 26-APR 0.0 0.0 21.3 0%
240 Grant Grove 6,600 Scheduled for measurement by Sequoia and Kings Canyon National Parks
Basin Average Pct. of April 1: 22%
May 1: 29%
Kaweah River Basin
292 Farewell Gap 9,500 27-APR 36.0 14.5 40% 35.8 41%
243 Panther Meadow 8,600 27-APR 39.0 17.5 45% 36.7 48%
244 Hockett Meadows 8,500 30-APR 7.0 2.0 29% 27.5 7%
245 Mineral King 8,000 27-APR 0.0 0.0 20.6 0%
246 Giant Forest 6,400 30-APR 0.0 0.0 14.7 0%
Basin Average Pct. of April 1: 19%
May 1: 24%
Tule River Basin
247 Quaking Aspen 7,000 03-MAY 0.0 0.0 12.3 0%
248 Old Enterprise Mill 6,600 Scheduled for measurement by CA Dept of Forestry
Basin Average Pct. of April 1: 0%
May 1: 0%
Kern River Basin
250 Bighorn Plateau 11,350 30-APR 11.7 5.1 44% 23.7 22%
251 Cottonwood Pass 11,050 27-APR 2.5 1.2 48% 14.8 8%
252 Siberian Pass 10,900 28-APR 3.3 1.5 45% 20.0 8%
253 Crabtree Meadow 10,700 29-APR 0.0 0.0 19.6 0%
275 Sandy Meadows 10,650 30-APR 0.5 0.2 40% 19.2 1%
254 Guyot Flat 10,650 29-APR 6.1 2.5 41% 20.8 12%
255 Tyndall Creek 10,650 30-APR 0.0 0.0 18.8 0%
257 Big Whitney Meadow 9,750 27-APR 0.0 0.0 17.2 0%
256 Rock Creek 9,600 28-APR 0.0 0.0 17.8 0%
258 Round Meadow 9,000 Scheduled for measurement by Cannell Meadow Ranger District
259 Ramshaw Meadows 8,700 30-APR 0.0 0.0 11.5 0%
260 Little Whitney Meadow 8,500 30-APR 0.0 0.0 12.9 0%
264 Quinn Ranger Station 8,350 01-MAY 0.0 0.0 18.9 0%
249 Dead Horse Meadow 7,300 Scheduled for measurement by Hot Springs Ranger District
Basin Average Pct. of April 1: 4%
May 1: 5%
Susan River Basin
45 Silver Lake Meadows 6,450 30-APR 4.7 2.1 45% 29.4 7%
46 Norvell Flat 5,700 27-APR 0.0 0.0 15.1 0%
Basin Average Pct. of April 1: 4%
May 1: 4%
Truckee River Basin
89 Webber Lake 7,000 27-APR 31.6 15.1 48% 31.7 48%
Basin Average Pct. of April 1: 48%
May 1: 56%
Walker River Basin
150 Virginia Lakes 9,400 Scheduled for measurement by CA Dept of Water Resources
377 Virginia Lakes Ridge 9,300 29-APR 14.4 5.9 41% 19.5 30%
152 Sonora Pass 8,750 24-APR 13.3 6.2 47% 24.9 25%
Basin Average Pct. of April 1: 28%
May 1: 32%
Owens River Basin
212 East Piute Pass 10,800 01-MAY 3.0 1.5 50% 15.2 10%
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 01-MAY 0.0 0.0 10.2 0%
Basin Average Pct. of April 1: 5%
May 1: 6%
Summary of Snow Surveys
| Region | No. Basins | No. Courses | Avg WC | % Average April 1 | % Average May 1 |
|---|---|---|---|---|---|
| North Coast | 2 | 10 | 8.1" | 20% | 29% |
| Sacramento | 6 | 69 | 8.4" | 20% | 28% |
| San Joaquin Valley | 5 | 51 | 10.0" | 24% | 30% |
| Tulare Lake | 3 | 31 | 4.6" | 14% | 18% |
| North Lahontan | 3 | 5 | 5.9" | 22% | 26% |
| South Lahontan | 1 | 2 | 0.8" | 5% | 6% |
| Statewide Average (weighted) | 20% | 26% | |||
* 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
Monthly Data |
Historical Data |
Custom Graph Plotter |
Text Reports