California/Nevada SNOTEL Snow/Precipitation Update Report

California/Nevada SNOTEL Snow/Precipitation Update Report

Based on Mountain Data from NRCS SNOTEL Sites

**Provisional data, subject to revision**

Data based on the first reading of the day (typically 00:00) for Monday, May 16, 2022

Basin Site Name	Elev (ft)	Snow Water Equivalent			Water Year-to-Date Precipitation
Basin Site Name	Elev (ft)	Current (in)	Median (in)	Pct of Median	Current (in)	Median (in)	Pct of Median
LAKE TAHOE
Mt Rose Ski Area	8801	17.7	28.1	63	48.5	46.1	105
Heavenly Valley	8534	0.0	2.3	0	33.6	28.0	120
Carson Pass	8360	0.0	8.3₍₁₆₎	0	30.7	35.2₍₁₆₎	87
Palisades Tahoe	8013	6.1	26.6	23	49.6	55.8	89
Marlette Lake	7884	0.4	0.8	50*	28.8	27.2	106
Hagans Meadow	7742	0.0	0.0	*	28.4	26.4	108
Echo Peak	7653	0.0	6.2	0	48.7	50.8	96
Rubicon #2	7619	7.6	7.2	106	34.5	35.0	99
Tahoe City Cross	6797	0.0	0.0	*	35.6	31.3	114
Ward Creek #3	6745	1.5	0.4	375*	59.5	62.2	96
Fallen Leaf	6242	0.0	0.0	*	33.8	27.6	122
Basin Index (%)		42			101
TRUCKEE RIVER
Mt Rose Ski Area	8801	17.7	28.1	63	48.5	46.1	105
Independence Lake	8338	39.1	38.0	103	42.5	42.1	101
Big Meadow	8235	1.5	0.2	750*	31.3	26.2	119
Palisades Tahoe	8013	6.1	26.6	23	49.6	55.8	89
Marlette Lake	7884	0.4	0.8	50*	28.8	27.2	106
Independence Camp	6980	0.0	0.0	*	24.5	25.5	96
Css Lab	6894	0.0	0.3	0*	55.1	61.5	90
Tahoe City Cross	6797	0.0	0.0	*	35.6	31.3	114
Ward Creek #3	6745	1.5	0.4	375*	59.5	62.2	96
Truckee #2	6509	0.0	0.0	*	29.4	30.0	98
Little Valley	6493	0.0	N/A	*	28.3	N/A	*
Independence Creek	6436	0.0	0.0	*	26.0	26.6	98
Basin Index (%)		70*			99
CARSON RIVER
Ebbetts Pass	8661	0.0	13.2	0	43.9	46.2	95
Horse Meadow	8557	0.0	0.6₍₁₇₎	0*	22.9	20.3₍₁₇₎	113
Heavenly Valley	8534	0.0	2.3	0	33.6	28.0	120
Carson Pass	8360	0.0	8.3₍₁₆₎	0	30.7	35.2₍₁₆₎	87
Monitor Pass	8306	0.0	0.0	*	19.4	18.6	104
Burnside Lake	8129	0.0	0.0₍₁₇₎	*	35.9	34.9₍₁₇₎	103
Blue Lakes	8067	3.8	15.9	24	29.8	37.8	79
Forestdale Creek	8017	10.7	11.0₍₁₇₎	97	39.6	41.4₍₁₇₎	96
Marlette Lake	7884	0.4	0.8	50*	28.8	27.2	106
Hagans Meadow	7742	0.0	0.0	*	28.4	26.4	108
Poison Flat	7736	0.0	0.0	*	29.3	27.9	105
Spratt Creek	6063	0.0	0.0	*	24.0	26.4	91
Basin Index (%)		29*			99
WALKER RIVER
Leavitt Lake	9604	39.5	50.5	78	40.7	49.0	83
Virginia Lakes Ridge	9400	0.3	8.6	3	20.5	21.8	94
Summit Meadow	9313	0.0	2.3₍₁₇₎	0	19.5	19.7₍₁₇₎	99
Lobdell Lake	9249	0.0	0.0	*	19.0	19.2	99
Sonora Pass	8770	4.2	10.6	40	28.1	31.0	91
Monitor Pass	8306	0.0	0.0	*	19.4	18.6	104
Leavitt Meadows	7198	0.0	0.0	*	25.4	27.8	91
Basin Index (%)		61			92
NORTHERN GREAT BASIN
Granite Peak	8503	9.9	7.3	136	25.2	24.4	103
Summit Lk	7615	0.0	N/A	*	18.1	N/A	*
Dismal Swamp	7360	16.4	16.6	99	35.3	40.5	87
Cedar Pass	7030	0.5	0.0	*	24.2	26.8	90
Buckskin Lower	6930	0.0	0.0	*	21.8	18.6	117
Lamance Creek	6395	0.0	0.0	*	23.4	21.5	109
Disaster Peak	6260	0.0	0.0	*	18.1	17.3	105
Sheldon	5865	0.0	0.0	*	5.5	6.6	83
Basin Index (%)		112*			99
NEVADA
UPPER HUMBOLDT RIVER
Corral Canyon	8445	0.9	6.8	13	23.4	23.6	99
Jacks Peak	8424	-M	N/A	*	25.1	28.0	90
Green Mountain	8185	0.0	0.0	*	19.6	26.0	75
Lamoille #3	8051	0.0	0.0	*	22.7	24.1	94
Bear Creek	8040	8.9	11.0	81	27.3	27.6	99
Dorsey Basin	7903	0.0	0.0	*	21.3	25.8	83
Pole Canyon	7760	0.0	N/A	*	19.4	N/A	*
Stag Mountain	7640	-M	N/A	*	8.6	N/A	*
Jakes Creek	7380	-M	N/A	*	15.4	N/A	*
Jack Creek Upper	7377	3.3	2.4	138	21.3	22.8	93
Seventysix Creek	7350	0.0	0.0	*	13.6	16.3	83
Draw Creek	7332	0.0	0.0	*	15.8	16.4	96
Tent Mtn Lower	7100	-M	N/A	*	14.3	N/A	*
Fry Canyon	6798	0.0	N/A	*	18.1	N/A	*
Dry Creek	6555	0.0	N/A	*	14.5	N/A	*
Taylor Canyon	6325	0.0	0.0	*	8.6	9.8	88
Basin Index (%)		65*			90
LOWER HUMBOLDT RIVER
Big Creek Sum	8685	2.1	6.5	32	16.0	18.7	86
Granite Peak	8503	9.9	7.3	136	25.2	24.4	103
Toe Jam	7690	0.0	0.0₍₁₁₎	*	20.5	20.5₍₁₁₎	100
Snowstorm Mtn	7403	-M	N/A	*	18.1	N/A	*
Lewis Peak	7370	0.0	0.0₍₂₀₎	*	17.9	17.4₍₂₀₎	103
Porter Canyon	7187	0.0	N/A	*	9.3	7.1₍₁₁₎	131
Buckskin Lower	6930	0.0	0.0	*	21.8	18.6	117
Midas	6630	-M	N/A	*	13.3	N/A	*
Golconda	6616	0.0	N/A	*	21.1	N/A	*
Lamance Creek	6395	0.0	0.0	*	23.4	21.5	109
Basin Index (%)		87*			105
CLOVER VALLEY & FRANKLIN RIVER
Corral Canyon	8445	0.9	6.8	13	23.4	23.6	99
Green Mountain	8185	0.0	0.0	*	19.6	26.0	75
Hole-in-Mountain	8163	0.0	2.9₍₂₅₎	0	27.4	28.0₍₂₉₎	98
Lamoille #3	8051	0.0	0.0	*	22.7	24.1	94
Dorsey Basin	7903	0.0	0.0	*	21.3	25.8	83
Pole Canyon	7760	0.0	N/A	*	19.4	N/A	*
Basin Index (%)		9*			90
SNAKE RIVER
Pole Creek R.S.	8360	18.1	16.7	108	15.7	14.9	105
Bear Creek	8040	8.9	11.0	81	27.3	27.6	99
Stag Mountain	7640	-M	N/A	*	8.6	N/A	*
Bostetter R.S.	7500	3.0	0.1	3000*	23.5	21.6	109
Jakes Creek	7380	-M	N/A	*	15.4	N/A	*
Seventysix Creek	7350	0.0	0.0	*	13.6	16.3	83
Wilson Creek	7120	0.0	0.0	*	20.9	21.4	98
Merritt Mountain	6915	-M	N/A	*	15.5	N/A	*
Big Bend	6898	0.0	0.0	*	12.9	12.9	100
Magic Mountain	6880	6.9	2.3	300	26.6	27.2	98
ONeil Creek	6520	0.0	N/A	*	10.6	N/A	*
Basin Index (%)		123*			99
OWYHEE RIVER
Jacks Peak	8424	-M	N/A	*	25.1	28.0	90
Toe Jam	7690	0.0	0.0₍₁₁₎	*	20.5	20.5₍₁₁₎	100
Jack Creek Upper	7377	3.3	2.4	138	21.3	22.8	93
Fawn Creek	7031	0.9	0.0	*	23.9	26.8	89
Merritt Mountain	6915	-M	N/A	*	15.5	N/A	*
Big Bend	6898	0.0	0.0	*	12.9	12.9	100
Fry Canyon	6798	0.0	N/A	*	18.1	N/A	*
Laurel Draw	6682	0.0	0.0	*	21.6	19.8	109
Columbia Basin	6483	-M	N/A	*	16.9	N/A	*
Taylor Canyon	6325	0.0	0.0	*	8.6	9.8	88
Basin Index (%)		175*			95
EASTERN NEVADA
Cave Mountain	10578	0.0	N/A	*	11.2	N/A	*
Wheeler Peak	10060	0.0	3.2₍₁₀₎	0	18.6	18.0₍₁₀₎	103
Berry Creek	9377	4.0	10.5	38	17.1	18.7	91
Defiance Mines	9302	-M	N/A	*	14.6	N/A	*
Ward Mountain	9163	0.0	0.0	*	13.5	16.0	84
Takka Wiiya	9122	0.0	N/A	*	16.4	N/A	*
Big Creek Sum	8685	2.1	6.5	32	16.0	18.7	86
Corduroy Flat	8640	-M	N/A	*	8.4	N/A	*
Silver Creek Nv	8200	-M	N/A	*	7.4	N/A	*
Diamond Peak	8017	0.0	0.0	*	12.9	16.4	79
Vacarro Springs	7890	0.0	N/A	*	10.9	N/A	*
Kalamazoo	7775	0.0	N/A	*	10.9	N/A	*
Bird Creek	7537	0.0	N/A	*	10.1	N/A	*
White River Nv	7367	-M	N/A	*	7.7	N/A	*
Basin Index (%)		30			89
SOUTHERN NEVADA - Spring Mountains
Bristlecone Trail	8890	0.0	0.0₍₁₂₎	*	14.6	14.8₍₁₂₎	99
Lee Canyon	8626	0.0	0.0₍₁₂₎	*	13.2	16.2₍₁₂₎	81
Rainbow Canyon	7860	0.0	0.0₍₁₂₎	*	17.0	18.9₍₁₂₎	90
Basin Index (%)		*			90

-M = Missing data.
* = Analysis may not provide a valid measure of conditions.
N/A = Not available.

Footnotes for median and average:
(##) = If less than 30 years are available, this value specifies the number of years used for the median and average calculations.
Sites with less than 10 years available do not have medians or averages.

If the Basin Index (%) percent value is flagged as potentially invalid,
care should be taken to evaluate if the value is representative
of conditions in the basin.

The SNOW WATER EQUIVALENT represents the depth of water in the snowpack, if the
snowpack were melted, expressed in inches.

The WATER YEAR-TO-DATE-PRECIPITATION represents total precipitation since October 1st, expressed in inches.

Contact your state water supply staff for assistance.

Medians and averages are calculated for the period 1991-2020.

Provisional data, subject to revision.

* Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median or average for the day is less than 10% of the maximum median or average value for the year.

* Basin - More than half of the stations for a basin with normals report missing or invalid data.

The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages and the resulting fraction multiplied by 100.

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