Summary of Climatic Data by Month September 2020 - August 2021 at the Western Triangle Agricultural Research Center, Conrad, MT
Month Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Year
Year 2020 2020 2020 2020 2021 2021 2021 2021 2021 2021 2021 2021  
Precipitation (inches)   Total
   Current Year 0.36 0.32 0.27 0.29 0.33 0.00 0.44 2.85 0.00 0.00 2.16 7.02
   Average (1986- 2021) 1.05 0.46 0.41 0.14 0.18 0.13 0.22 1.12 2.17 1.84 0.96 1.06 9.73
   Difference -1.05 -0.10 -0.09 0.13 0.11 0.20 -0.22 -0.68 0.68 -1.84 -0.96 1.11 -2.71
Temperature (°F)   Average
   Current Year 57 38 34 31 28 10 36 39 47 64 71 63 43.17
   Average (1986 - 2021) 53.27 39.53 30.33 25.50 23.33 16.40 27.90 40.17 49.57 58.80 65.30 65.97 41.34
   Difference 3.73 -1.53 3.67 5.50 4.67 -6.40 8.10 -1.17 -2.57 5.20 5.70 -2.97 1.83
Last killing frost in springa
Spring, 2021: May 27 (32.0 °F)
Average (1986 - 2021): May 12
First killing frost in falla
Fall, 2021: October 12 (32.0 °F)
Average (1986 - 2021): Septembper 20
Frost-free period
2021: 138 days
Average (1986 - 2021): 141.2 days
Temperature Extremes
Maximum summer temperature: 94 °F (July 1, 2021)
Minimum winter temperaturege -33 °F (February 10, 2021)

aIn this summary 32 °F is considered a killing frost.