Snow Station Information - HARTS PASS SNOTEL

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Note: Accumulated Precipitation, Snow Depth, Snow Density and Temperature graphs are no longer displayed by the NWRFC starting June 2025. Links to the respective data collection agencies where similar information can be obtained are found below.

(HRPW1) HARTS PASS SNOTEL

County: WHATCOM State: WA

Elevation: 6500 (feet) Latitude: 48 43' 0" Longitude: 120 39' 0"

Date	Time PST	Snow Water Equivalent (inches)	Snow Depth (inches)	Snow Density (%)	Precipitation To-Date (inches)	Current Temperature (degrees F)
06/22/2025	0600	0.4	-9999.0	0	34.2	37.9
06/22/2025	0500	0.3	0.0	100	34.2	37.8
06/22/2025	0400	0.3	-9999.0	0	34.2	37.2
06/22/2025	0300	0.3	0.0	100	34.1	36.3
06/22/2025	0200	0.2	0.0	100	34.2	35.1
06/22/2025	0100	0.3	0.0	100	34.2	35.2
06/22/2025	0000	0.3	0.0	100	34.2	36.3
06/21/2025	2300	0.3	0.0	100	34.2	35.6
06/21/2025	2200	0.3	0.0	100	34.2	36.7
06/21/2025	2100	0.3	0.0	100	34.2	36.0
06/21/2025	2000	0.4	-9999.0	0	34.2	36.1
06/21/2025	1900	0.4	-9999.0	0	34.2	36.0
06/21/2025	1800	0.4	0.0	100	34.2	36.1
06/21/2025	1700	0.4	-9999.0	0	34.2	35.1
06/21/2025	1600	0.4	0.0	100	34.2	34.3
06/21/2025	1500	0.4	-9999.0	0	34.2	34.0
06/21/2025	1400	0.5	-9999.0	0	34.2	34.0
06/21/2025	1300	0.5	0.0	100	34.2	33.1
06/21/2025	1200	0.6	0.0	100	34.2	32.9
06/21/2025	1100	0.6	-9999.0	0	34.1	32.2
06/21/2025	1000	0.5	-9999.0	0	34.1	32.5
06/21/2025	0900	0.6	-9999.0	0	34.1	32.2
06/21/2025	0800	0.6	-9999.0	0	34.1	31.8
06/21/2025	0700	0.5	-9999.0	0	34.0	30.6

6 Hour
SWE Change
(inches)

12 Hour
SWE Change
(inches)

24 Hour
SWE Change
(inches)

48 Hour
SWE Change
(inches)

1 Week
SWE Change
(inches)

0.10

0.00

-0.10

0.30

0.20

Daily Statistics (inches)

Min	Median	Average	Max
0.00 (2019)	1.00	8.80	45.00 (2011)

30 Year Average: 8.80 inches Latest Observation is 0.40 inches which is 5 % of average

Note: The Median/Average is based upon the 30 year period 1991 to 2020. The Min/Max is based upon the Period Of Record (POR).

Data provided by the National Resource Conservation Service

*** Please Note: Data provided by Natural Resources Conservation Service ***

HARTS PASS SNOTEL Probability of Historical Seasonal Peaks

Click here to view the data collection agency Temperature plot

Click here to view the data collection agency Accumulated Precipitation and Snow Depth plot

Link to main Northwest River Forecast Center (NWRFC) web site