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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)
01/24/2026000043.8   14.9
01/23/2026230043.889.04935.913.6
01/23/2026220043.889.04935.811.7
01/23/2026210043.889.04935.911.8
01/23/2026200044.089.04935.912.6
01/23/2026190043.989.04935.913.8
01/23/2026180044.089.04936.014.2
01/23/2026170044.189.05036.015.6
01/23/2026160044.289.05036.117.2
01/23/2026150044.189.05036.217.2
01/23/2026140044.089.04936.219.2
01/23/2026130043.989.04936.220.7
01/23/2026120043.889.04936.120.5
01/23/2026110043.789.04936.119.9
01/23/2026100043.689.04936.119.8
01/23/2026090043.789.04936.017.6
01/23/2026080043.789.04936.017.8
01/23/2026070043.789.04936.017.4
01/23/2026060043.889.04936.016.9
01/23/2026050043.889.04936.020.1
01/23/2026040043.889.04936.020.3
01/23/2026030043.889.04936.017.2
01/23/2026020043.889.04936.019.8
01/23/2026010043.889.04936.021.7
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)
-0.200.00-0.100.100.70
 
Daily Statistics
(inches)
MinMedianAverageMax
13.00 (2005) 26.8027.2049.00 (1991)
 
    30 Year Average:  27.20 inches
Latest Observation is 43.80 inches which is 161 % 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



HARTS PASS SNOTEL 14 Day Snow Plot
HARTS PASS SNOTEL Water Year Snow Plot
*** 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