Summary of Climatic Data
Summary of climatic data by month for the ’17-18 crop year (September thru August) at the Western Triangle Agricultural Research Center, Conrad, MT.
|
Month and Year |
Precipitation (inches) |
|
Mean Temperature (°F) |
|||
|
|
Current Year |
Average (32 yr) |
Difference |
Current Year |
Average (32 yr) |
Difference |
|
September, 2017 |
1.59 |
1.23 |
+0.36 |
55.1 |
56.8 |
-1.7 |
|
October, 2017 |
1.21 |
0.68 |
+0.53 |
42.0 |
44.6 |
-2.6 |
|
November, 2017 |
0.40 |
0.31 |
+0.09 |
28.3 |
32.0 |
-3.7 |
|
December, 2017 |
0.48 |
0.22 |
+0.26 |
19.5 |
23.5 |
-4.0 |
|
January, 2018 |
0.28 |
0.29 |
-0.01 |
21.9 |
23.0 |
-1.1 |
|
February, 2018 |
0.65 |
0.23 |
+0.42 |
8.7 |
24.2 |
-15.5 |
|
March, 2018 |
0.94 |
0.42 |
+0.52 |
23.1 |
32.7 |
-9.6 |
|
April, 2018 |
1.05 |
1.05 |
0 |
35.4 |
42.5 |
-7.1 |
|
May, 2018 |
1.08 |
1.84 |
-0.76 |
56.9 |
51.7 |
+5.2 |
|
June, 2018 |
2.73 |
2.87 |
-0.14 |
58.9 |
59.4 |
-0.5 |
|
July, 2018 |
0.34 |
1.36 |
-1.02 |
66.5 |
66.9 |
-0.4 |
|
August, 2018 |
1.04 |
1.22 |
-0.18 |
63.0 |
65.9 |
-2.9 |
|
Total or Average |
11.79 |
11.72 |
+0.07 |
39.9 |
43.7 |
-3.8 |
Last killing frost in spring (32 °F)
2018 May 27
Average 1986-2018 May 17
First killing frost in fall (32 °F)
2018 September 11
Average 1986-2018 September 25
Frost free period (days)
2018------------------------------ 105
Average 130
Maximum summer temperature 100 °F (August 10, 2018)
Minimum winter temperature 22 °F (January 01, 2018)
