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Flattop Mtn. (482)
Montana SNOTEL Site - 6290 ft
Reporting Frequency: Daily; Date Range: 1990-10-01 to 1991-09-30


(As of: Tue Sep 23 06:33:28 GMT-08:00 2025)
**Provisional data, subject to revision**

Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
Average
Precipitation
Accumulation
(1991-2020)
(in)
Start of Month Values
010.006.1015.3024.7034.5041.4049.2054.6059.3065.1067.2069.20
020.206.3015.7025.0034.8041.6049.4054.7059.5065.3067.3069.30
030.406.6016.1025.4035.0041.8049.5054.8059.7065.4067.4069.30
040.606.7016.4025.7035.1042.2049.7055.0059.9065.6067.4069.40
050.807.0016.7026.1035.4042.4050.0055.2060.0065.6067.4069.50
060.907.2017.0026.3035.7042.8050.2055.4060.2065.7067.5069.60
071.007.6017.2026.7036.0043.0050.4055.4060.5065.8067.6069.70
081.108.0017.4027.3036.3043.2050.6055.6060.7065.9067.7069.80
091.308.3017.7027.7036.5043.4050.8055.8060.9066.0067.7069.90
101.408.5018.1028.1036.7043.7050.9056.0061.1066.0067.8070.00
111.608.7018.4028.5036.8043.9051.1056.1061.4066.1067.9070.10
121.809.0018.8028.7037.0044.3051.3056.2061.6066.1067.9070.20
132.009.3019.2029.0037.3044.5051.5056.3061.8066.2068.0070.30
142.209.7019.5029.4037.6044.7051.8056.4062.1066.3068.0070.40
152.4010.0019.8029.9037.8045.0052.0056.6062.2066.4068.1070.50
162.5010.2020.0030.2038.1045.4052.2056.6062.5066.4068.2070.60
172.7010.4020.4030.5038.4045.8052.4056.7062.7066.5068.3070.70
182.9010.9020.7030.8038.7046.1052.5056.9063.0066.5068.4070.90
193.1011.2021.0031.1039.0046.3052.7057.0063.3066.6068.4071.00
203.3011.6021.3031.3039.2046.5052.8057.1063.6066.6068.5071.10
213.5012.0021.7031.5039.5046.7052.9057.3063.7066.7068.5071.30
223.7012.3021.9031.7039.8046.9053.0057.5063.9066.7068.6071.50
233.9012.7022.1031.9040.1047.1053.1057.8064.1066.8068.6071.50
244.1013.2022.3032.2040.3047.2053.3057.9064.2066.8068.7071.60
254.2013.5022.5032.5040.5047.4053.5058.1064.4066.9068.8071.70
264.4013.8022.7032.8040.8047.6053.7058.2064.5067.0068.9071.90
274.6014.1023.0033.0040.9047.8053.8058.4064.7067.0068.9072.00
284.8014.4023.4033.3041.1048.0054.0058.5064.8067.1069.0072.10
295.1014.7023.8033.5048.3054.2058.7064.9067.1069.0072.20
305.3014.9024.2033.8048.6054.4058.9065.0067.1069.1072.60
315.6024.4034.2048.9059.1067.2069.10