STATE OF MONTANA 



CLIMATE DATA 



1/ 



Precipitation and Length of Period Between Freezing Temperatures. 1948, 1949 



CoimtY 



o 



£■2.0 

 tj>o t; 

 c o o 



S «;^ 



Precipitation, Inches 



Annual 



Beaverhead Dillon 55 



Big Horn Crow Agency ..69 



Blaine Chinook 53 



Broadwater Townsend 26 



Carbon Red Lodge 55 



Carter Ekalaka 53 



Cascade Great Falls - 59 



Chouteau ., Near Geraldine 40 



Custer _. Miles City 12 



Daniels _ Scobey 22 



Dawson Glendive 61 



Deer Lodge East Anaconda .45 



Fallon Plevna 38 



Fergus Lewistown 54 



Flathead Kalispell 53 



Gallatin Bozeman 74 



Gariield Jordan 32 



Glacier Cut Bank —42 



Golden Valley Barber — . 5 



Granite - . Philipsburg 46 



Hill 



Jefferson .._ 



Judith Basin 



Lake 



Lewris & Clark 



. Havre 70 



.Boulder 34 



Stanford 23 



Poison - 40 



Helena 70 



1948 



14.97 

 14.62 

 9.68 

 14.74 

 20.60 



14.46 

 15.37 

 16.73 

 16.08 

 13.39 



a/ 



16.74 

 15.23 

 19.70 

 20.91 



19.50 

 10.26 

 15.67 

 12.09 

 19.58 



9.14 

 14.12 

 22.05 

 20.77 

 12.42 



1949 Normal 1948 



Number of days 



Between Freezing 



Temperatures, 



Last in Spring 



<Sc first in fall 



1949 Normal 1948 1949 



Growing Season 



9.76 



11.93 



9.90 



9.31 



19.00 



a/ 

 11.67 

 12.03 



8.79 

 10.98 



8.28 

 12.63 



9.41 

 19.46 

 12.48 



17.11 



5.26 



9.86 



14.50 



16.90 



8.87 



9.13 



15.85 



12.07 



9.16 



15.97 

 15.07 

 13.30 

 10.91 

 18.90 



13.39 

 14.85 

 15.33 

 13.79 

 12.55 



14.45 

 13.45 

 14.08 

 16.06 

 15.02 



18.03 

 11.77 

 11.39 

 14.73 

 14.86 



13.90 

 11.70 

 14.78 

 14.56 

 11.55 



11.96 

 10.58 

 7.69 

 10.79 

 12.22 



12.37 

 1 1.36 

 13.63 

 13.51 

 8.75 



12.20 

 9.96 

 12.22 

 15.76 

 14.62 



13.37 

 8.30 

 14.02 

 10.27 

 13.56 



6.95 

 11.71 

 16.91 

 13.99 



9.74 



6.87 

 5.30 

 6.20 

 6.61 

 11.42 



a 



6.89 

 7.36 

 3.96 



7.73 



4.41 

 8.02 

 6.29 

 12.35 

 5.46 



10.98 

 3.50 

 6.03 

 9.69 



11.09 



5.25 

 6.06 

 10.77 

 6.31 

 6.42 



10.78 

 9.70 



10.09 

 8.12 



12.98 



10.65 



10.64 



10.89 



9.68 



9.86 



10.86 



8.73 



10.73 



12.76 



7.53 



11.68 

 8.76 

 8.79 



1 1.66 

 9.83 



10.27 

 8.71 



1 1.00 

 7.94 

 8.30 



113 

 1 19 

 118 



139 



153 

 150 

 142 

 149 

 111 



173 

 132 

 116 

 139 

 150 



132 

 147 

 134 

 1 15 

 112 



157 

 128 

 136 

 147 

 142 



28 

 129 

 85 

 73 

 73 



99 



1 10 



no 



113 



no 



142 

 86 



101 

 84 



128 



76 

 113 



84 

 111 



21 



143 



28 



85 



129 



110 



Liberty Joplin 17 9.74 8.20 10.99 8.24 5.95 8.85 118 84 



Lincoln Fortine 44 21.94 17.53 16.97 13.54 9.19 8.97 60 38 



Madison Virginia City —.39 14.29 11.79 13.92 9.02 7.88 9.43 132 73 



McCone _ Circle 49 12.19 7.87 15.80 10.25 5.15 11.35 104 99 



Meagher White SuL Spr... 16 21.17 20.03 14.18 13.53 10.52 9.39 109 85 



Mineral.... Superior 35 22.69 16.55 15.48 11.77 7.35 7.24 112 74 



Missoula Missoula 70 14.87 8.94 12.72 9.98 5.01 7.45 116 74 



Musselshell Roundup 29 9.26 10.28 12.45 8.19 7.12 8.86 148 113 



Park .. . Livingston 49 12.94 17.13 14.38 9.23 12.10 9.87 149 86 



Petroleum Flatwillow 37 14.38 10.23 12.64 12.23 6.78 9.60 135 111 



Phillips Malta 44 10.67 7.58 13.60 8.62 5.10 10.62 146 130 



Pondera Valier 13 20.65 8.47 12.65 18.12 5.77 10.06 135 85 



Powder River Broadus 19 17.59 12.59 15.62 13.91 7.21 11.86 149 111 



Powell Ovando 51 18.03 12.02 17.15 10.23 5.45 8.44 71 31 



Prairie Mildred 41 14.64 8.85 12.72 10.84 5.21 10.28 122 112 



Ravalli- ..Hamilton 45 14.90 13.77 11.17 7.07 6.79 6.51 132 86 



Richland Savage 45 14.73 8.26 13.46 11.65 5.07 10.63 120 113 



Roosevelt Poplar 67 13.49 6.85 12.85 11.07 5.21 9.77 120 113 



Rosebud Rock Springs 35 11.39 7.74 12.96 9.53 5.20 8.94 113 111 



Sanders- Thomp. Falls ...39 26.45 19.50 19.54 14.10 6.10 7.97 144 129 



Sheridan ...Outlook 32 12.71 13.34 12.86 7.86 9.63 10.57 101 73 



Silver Bow Butte 56 16.93 11.35 11.32 13.17 7.81 8.23 113 21 



Stillwater Rapelje 14 14.32 14.94 13.96 12.20 8.83 9.86 135 111 



Sweet Grass Big Timber 47 16.12 13.52 14.76 13.47 8.84 9.82 153 128 



Teton Fairfield 23 17.66 7.41 11.50 16.04 5.30 9.05 133 85 



Toole ...Dunkirk 38 9.94 8.39 11.85 7.96 5.20 9.33 117 85 



Treasure Hysham 4 12.88 11.01 11.61 10.27 5.06 140 113 



Valley Glasgow 54 14.24 8.47 13.01 11.10 5.10 9.54 156 112 



Wheatland Harlowton 35 a, a/ 12.07 a/ 8.16 8.88 . Ill 



Wibaux Wibaux 30 16.06 9.51 15.52 13.46 5.07 12.45 104 100 



Yellowstone Billings City ... 50 8.06 14.02 14.38 6.00 8.44 9.94 148 113 



State** ;...... .... 15.96 12.36 14.79 11.47 7.07 9.87 129 94 



1/ Data supplied by R. A. Dightman, Weather Bureau, Helena, Montana. 



* April through September. 



** Precipitation for all observation stations including others not listed above. 



Days between freezing temperatures are simple averages of data for stations shown. 



a/ Incomplete. 



