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 (⁰F)

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)