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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.

(TWLM8)     TWIN LAKES SNOTEL

County:  RAVALLI     State:  MT
Elevation:  6400 (feet)     Latitude:  46 9' 0"   Longitude:   114 30' 0"

Date
Time
PST
Snow Water
Equivalent
(inches)
Snow
Depth
(inches)
Snow
Density
(%)
Precipitation
To-Date
(inches)
Current
Temperature
(degrees F)
02/07/2026010020.956.037 36.0
02/07/2026000020.956.03736.534.7
02/06/2026230020.956.03736.537.8
02/06/2026220020.956.03736.535.4
02/06/2026210021.056.03736.538.5
02/06/2026200020.956.03736.440.1
02/06/2026190020.955.03836.438.7
02/06/2026180021.056.03736.440.5
02/06/2026170021.055.03836.339.2
02/06/2026160020.955.03836.244.2
02/06/2026150020.955.03836.248.9
02/06/2026140020.856.03736.151.1
02/06/2026130020.756.03736.251.1
02/06/2026120020.756.03736.351.1
02/06/2026110020.655.03736.450.7
02/06/2026100020.656.03736.449.8
02/06/2026090020.756.03736.548.2
02/06/2026080020.656.03736.539.7
02/06/2026070020.756.03736.533.3
02/06/2026060020.756.03736.534.3
02/06/2026050020.756.03736.534.2
02/06/2026040020.856.03736.533.3
02/06/2026030020.856.03736.533.6
02/06/2026020020.856.03736.533.4
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)
0.000.200.100.400.80
 
Daily Statistics
(inches)
MinMedianAverageMax
10.80 (1977) 27.4027.6046.90 (1997)
 
    30 Year Average:  27.60 inches
Latest Observation is 20.90 inches which is 76 % 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



TWIN LAKES SNOTEL 14 Day Snow Plot
TWIN LAKES SNOTEL Water Year Snow Plot
*** Please Note: Data provided by Natural Resources Conservation Service ***
TWIN LAKES 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