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Grassy Lake (499)
Wyoming SNOTEL Site - 7330 ft
Reporting Frequency: Daily; Date Range: 2024-10-01 to 2025-09-16


(As of: Tue Sep 16 17:16:33 GMT-08:00 2025)
**Provisional data, subject to revision**

Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
Last Yr
Air
Temperature
Minimum
(degF)
Last Yr
Air
Temperature
Minimum
(degF)
Last Yr
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
Air
Temperature
Minimum
(degF)
0122.519.22.127.07.023.226.434.240.636.543.3
0227.715.64.519.427.511.815.823.240.551.436.3
0328.911.17.929.327.925.01.825.038.749.541.7
0427.57.77.323.930.721.213.628.632.741.745.336.3
0530.29.74.122.512.725.77.030.632.036.939.4
0627.01.82.78.812.416.211.828.432.533.336.331.8
0727.51.011.1-4.416.216.314.032.034.734.542.1
0826.611.817.4-7.110.85.232.929.838.836.334.9
0928.414.016.7-0.810.25.226.130.033.443.932.7
1030.914.76.4-4.25.016.219.230.438.544.838.8
1132.422.56.414.5-11.025.025.535.137.940.136.5
1228.819.610.48.8-22.515.628.232.238.537.9
1331.316.35.99.7-30.525.517.432.540.840.139.9
1428.813.123.213.112.718.711.832.036.946.439.4
1527.316.718.911.316.220.717.631.338.342.339.2
1629.821.916.96.816.923.223.028.235.841.941.2
1732.520.524.1-2.024.127.121.933.140.136.341.0
1827.517.225.9-15.321.93.015.633.136.043.342.3
1925.34.513.1-24.922.3-7.19.028.637.642.336.7
2028.0-5.610.4-34.623.52.330.928.443.541.039.2
2129.310.810.6-18.819.418.330.627.033.349.839.4
2226.227.928.0-8.13.64.521.027.031.847.337.4
2324.127.528.8-15.74.54.526.627.530.442.449.3
2422.120.723.21.832.029.131.330.429.339.947.7
2519.91.622.8-1.322.526.129.736.331.340.140.6
2626.815.320.3-16.46.818.330.030.632.236.152.5
2726.219.022.3-12.52.525.229.732.239.035.850.4
2831.39.124.6-3.53.027.330.236.139.634.741.4
2926.43.625.70.321.033.335.238.139.238.7
3019.67.018.1-3.322.830.232.538.352.3
3116.012.70.025.530.441.432.4