Summary of climatic data by month for the ’14-15 crop year (September thru August) at the Western Triangle Agricultural Research Center, Conrad, MT.

Month

Precipitation (inches)

Mean Temperature (oF)

 

Current Year

Average (29-yr)

Current Year

Average (29-yr)

September, 2014

0.82

1.12

54.8

57.0

October, 2014

0.57

0.63

48.5

44.8

November, 2014

0.53

0.28

24.0

31.9

December, 2014

0.38

0.19

24.4

23.9

January, 2015

0.57

0.20

23.9

23.2

February, 2015

0.10

0.22

26.8

24.3

March, 2015

0.23

0.41

40.0

32.6

April, 2015

0.22

1.01

43.1

42.6

May, 2015

2.07

1.89

48.9

51.6

June, 2015

0.95

3.03

63.8

59.2

July, 2015

1.52

1.35

66.1

66.9

August, 2015

1.06

1.28

66.3

66.1

Total

9.02

--

--

--

Average

--

11.6

44.2

44.5

Last killing frost in Spring (32°F)

2015------May 18

Average 1986-2015-----May 16

 

First killing frost in Fall (32°F)

2014-----September 10

Average 1986-2014-----September 26

 

Frost free period (days)

2015------122

Average------131

 

Maximum summer temperature 97°F (August 8, 2015)

Minimum winter temperature 20°F (December 30, 2014)