CLIMATOLOGICAL DATA 



21 



PREPARED BY THE NATIONAL WEATHER SERVICE. GREAT FALLS. MONTANA 

 Praclpllallon and Number of Days Bctwtcn Freezing Tempcraturct 1981 - 1982 



COUNTY 



& 



DISTRICT 



Deer Lodge 



Flathead 



Granite 



Lake 



Lincoln 



Mineral 



Missoula 



Powell 



Ravalli 



Sanders 



N. WEST 



Blaine 



Chouteau 



Glacier 



Hill 



Liberty 



Phillips 



Pondera 



Teton 



N. CENTRAL.... 



Daniels 



Dawson 



Garfield 



McCone 



Richland 



Roosevelt 



Sheridan 



Valley 



N. EAST 



Broadwater 



Cascade 



Fergus 



Golden Valley. 

 Judith Basin. . 

 Lewis & Clark. 



Meagher 



Musselshell . . . 



Petroleum 



Wheatland 



CENTRAL 



Beaverhead. . . . 



Gallatin 



Madison 



Silver Bow. . . . 



S. WEST 



Big Horn 



Carbon 



Park 



Stillwater 



Sweet Grass. . . 



Treasure 



Yel 1 owstone . . . 



S. CENTRAL.... 



Carter 



Custer 



Fallon 



Powder River. . 



Prairie 



Rosebud 



Uibaux 



S. EAST 



Precipitation, Inches 



STATIONS 



E. Anaconda 



Kalispell 



Phil 1 ipsburg 



St. Ignatius 



Fortine 



Superior 



Missoula 



Ovando 



Hamilton 



Thompson Falls.. 



Averages 



Chinook 



Ft. Benton 



Cut Bank 



Havre 



Jopl in 



Malta 



Valier 



Fairfield 



Averages 



Scobey 



Glendive 



Jordan 



Vida 



Savage 



Culbertson 



Medicine Lake. . . 

 Glasgow 



Averages 



Townsend 



Great Falls 



Lewis town 



Barber 



Stanford 



Helena 



White Su1 Spngs. 



Roundup 



Flatwillow 



Harlowton 



Averages 



Dillon 



Bozeman 



Virginia City. . . 

 Butte 



Averages 



Crow Agency 



Red Lodge 



Livingston 



Columbus 



Big Timber 



Hysham 



Billings 



Averages 



Ekalaka 



Miles City 



Plevna 



Broadus 



Mildred 



Forsyth 



Wibaux 



Averages 



Annual 



1981 



1982 



Normal 2/ 



1981 



Growing Season 

 April thru September 



Number of Days 



Between Dates of 



Temperature of 



32°, Last in 



Spring and 



First in Fall 1/ 



1982 



Normal 2/ 



10.30 

 18.62 

 15.49 

 21.06 

 18.68 

 12.13 

 17.35 

 13.79 

 15.58 

 21.03 



16.40 



11.28 

 17.53 

 14.01 

 10.05 

 11.46 

 10.07 

 12.74 

 15.13 



12.78 



12.58 



9.71 



12.85 



*11.36 



10.96 



14.70 



11.32 



8.79 



11.53 



*13.55 

 13.86 

 22.13 

 13.99 



*19.99 

 13.81 



19.49 



18.27 

 17.82 

 15.04 

 15.38 

 16.18 

 15.85 

 29.86 



18.49 



18.64 



14.99 

 10.94 

 15.70 

 13.47 

 13.00 



14.46 



18.23 



17.74 



*14.80 



18.27 

 15.00 

 16.06 

 12.21 



16.04 



10.18 

 17.68 

 22.37 

 15.90 



13.98 



*15.96 13.77 

 13.38 **16.06 

 12.12 19.39 



15.42 



*12.02 



*22.70 



♦17.20 



13.58 



16.38 



15.06 

 21.37 

 17.75 

 16.15 

 16.19 

 12.97 

 16.45 



16.56 



13.64 

 10.63 



*12.56 

 10.43 

 10.21 

 12.14 



♦12.17 



11.68 



16.17 



15.31 

 22.42 

 17.89 

 12.83 



17.11 



18.56 

 32.80 

 15.54 

 18.76 

 ♦♦21.17 

 15.36 

 18.27 



20.07 



24.38 

 16.38 



18.41 



20.26 



♦♦15.09 



♦♦12.01 



19.26 



13.84 



15.93 



14.22 



16.18 



17.25 



17.46 



13.29 



16.43 3/ 



13.11 



22.77 



16.05 



11.36 



14.60 



11.99 



11.16 



10.58 



11.58 3/ 



12.28 



12.51 



12.01 



13.49 

 13.45 

 12.54 

 15.70 

 13.86 

 14.29 

 14.30 

 11.55 



13.65 



11.11 

 15.24 

 17.66 

 12.49 

 15.34 

 11.37 

 15.70 

 12.01 

 13.33 

 12.88 



13.71 



11.10 

 18.63 

 16.26 

 11.73 



14.43 



15.31 

 25.02 

 15.12 

 13.87 

 15.20 

 12.77 

 15.09 



16.05 



16.21 



14.11 



13.21 



13.84 



13.28 3/ 



12.13 3/ 



13.84 



13.80 



7.85 

 10.45 

 11.24 

 14.18 

 12.49 



5.48 

 11.32 



8.49 



8.99 

 11.11 



10.16 



8.65 



12.03 



10.66 



7.27 



9.24 



8.64 



9.80 



11.72 



9.75 



8.57 

 7.55 



10.43 

 8.28 

 8.77 



12.31 

 9.68 

 6.18 



8.97 



10.41 

 9.21 

 15.75 

 11.19 

 15.70 

 10.77 



12.81 



10.08 



9.64 



11.73 



9.06 

 15.89 

 10.83 



9.88 



11.41 



10.30 

 13.77 

 12.73 

 11.90 

 11.55 

 10.01 

 11.98 



11.75 



10.87 

 7.84 



10.21 

 8.38 

 7.93 

 8.72 

 9.70 



9.09 



10.48 



10.97 

 10.30 



8.88 



8.61 



7.56 3/ 



8.73 

 10.82 



9.54 



12.98 



10.74 



8.99 



13.57 



11.01 



9.80 



11.18 



10.67 

 11.74 

 10.29 

 11.28 

 11.64 

 10.50 

 10.98 

 8.13 



10.65 



7.61 

 11.26 



14.42 

 12.59 

 12.83 

 9.27 

 10.10 

 10.95 

 12.40 

 15.56 



11.70 



11.29 



14.57 



12.28 



8.09 



11.56 



11.08 

 20.64 

 11.62 

 15.70 

 16.22 

 11.29 

 12.77 



14.19 



16.32 

 11.77 

 14.40 

 12.49 

 13.80 

 10.77 

 12.84 



13.20 



8.82 



8.55 



9.77 



9.91 



9.60 



8.14 



7.30 



8.49 3/ 



7.11 



8.83 



8.65 



9.05 

 10.24 



9.81 



8.14 



8.67 



9.30 

 10.05 



9.80 



9.38 



10.24 

 10.55 



9.74 

 11.93 

 11.36 

 11.40 

 11.44 



9.07 



10.47 



8.17 

 10.20 

 12.75 



9.41 

 11.51 



7.79 

 10.52 



9.31 

 10.16 



9.67 



9.95 



7.18 

 12.20 

 11.29 



8.58 



9.81 



10.09 

 15.34 

 10.67 



9.80 

 10.77 



9.21 



9.55 



10.78 



12.54 

 10.29 

 10.34 

 10.01 

 10.63 3/ 

 9.51 3/ 

 11.32 



10.66 



1981 



1982 Avq. 



141 



83 



137 



134 



♦♦♦134 



136 



3 



134 



141 



116 



99 

 142 

 132 

 143 

 132 

 136 

 135 

 142 



133 



136 

 150 

 141 

 140 

 130 

 112 

 128 

 141 



135 



140 



141 



100 



140 



♦♦♦136 



141 



96 



144 



147 



96 



128 



25 



109 



20 



74 



57 



105 

 96 

 146 

 135 

 146 

 146 

 148 



132 



141 

 181 

 141 

 138 

 128 

 131 

 125 



141 



103 



37 



108 



99 



126 



148 



26 



104 



127 



97 



105 

 107 

 168 

 105 

 103 

 108 

 106 

 97 



112 



105 

 142 

 101 

 136 

 137 

 112 

 131 

 163 



128 



103 

 105 

 103 

 106 

 106 

 107 

 103 

 112 

 142 

 105 



109 



103 



106 



94 



94 



99 



106 

 104 

 105 

 119 

 106 

 112 

 128 



111 



107 

 121 

 110 

 111 

 107 

 145 

 107 



115 



122 

 60 

 123 

 117 

 130 

 142 

 15 

 119 

 134 



107 



102 

 125 

 150 

 124 

 118 

 122 

 121 

 120 



123 



121 

 146 

 121 

 138 

 134 

 112 

 130 

 152 



132 



122 

 123 

 102 

 123 

 121 

 124 

 100 

 128 

 145 

 101 



119 



64 



108 



57 



84 



78 



106 

 100 

 126 

 127 

 126 

 129 

 138 



122 



124 

 151 

 126 

 125 

 118 

 138 

 116 



128 



1/ In this comparison the 'first in Fall' is the 



first freezing temperature after June 30. 

 2/ Normal for period 1951-1980. 



3/ Normal for period 1941-1970. 



♦Estimated water equivalent of snow for one or two months. 

 ♦♦Estimated rainfall amount for some of the months. 

 ♦♦♦Esti"iates for sc^e of the tempera t'lres durinq onp or two nv>nths. 



