Summary of climatic data by month for the ’15-16 crop year (September thru August) at the Western Triangle Agricultural Research Center, Conrad, MT.

Precipitation (inches)

Mean Temperature (F)

Month and Year

Current

Year

Average

(30 yr)

Difference

Current

Year

Average

(30 yr)

Difference

September, 2015

2.99

1.17

+1.82

55.1

57.0

-1.9

October, 2015

1.17

0.64

+0.53

47.5

44.9

+2.6

November, 2015

0.82

0.31

+0.51

31.0

31.9

-0.9

December, 2015

0.67

0.21

+0.46

24.2

24.0

+0.2

January, 2016

2.36

0.28

+2.08

23.5

23.2

+0.3

February, 2016

0.00

0.21

-0.21

36.1

24.7

+11.4

March, 2016

0.20

0.40

-0.20

37.6

33.0

+4.6

April, 2016

2.06

1.02

+1.04

45.1

42.7

+2.4

May, 2016

2.09

1.90

+0.19

49.9

51.5

-1.6

June, 2016

0.60

2.89

-2.29

61.3

59.4

+1.9

July, 2016

2.82

1.41

+1.41

64.7

66.8

-2.1

August, 2016

1.11

1.27

-0.16

63.3

66.0

-2.7

Total or Average

16.89

11.71

+5.18

44.9

43.7

+1.2

 

 

Last killing frost in spring (32°F)

2016-----May 12

Average 1986-----2016 May 16

 

First killing frost in fall (32°F)

2016----- September 13

Average 1986-2016----- September 24

 

Frost free period (days)

2016-----124

Average-----131

 

Maximum summer temperature-----89°F (August 16, 2016)

Minimum winter temperature------12°F (December 26, 2015)