GRASMERE, IDAHO

Monthly Total Growing Degree Days

(103809)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197401
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.07 b 1.07
1954 0.00 z 26.25 d 28.70 d 190.00 496.00 503.50 988.38 a 754.50 540.00 238.70 a 119.00 0.00 3885.04
1955 0.00 0.00 4.00 65.00 281.50 609.50 813.50 919.00 525.00 a 293.50 67.00 14.00 3592.00
1956 2.00 4.50 73.50 168.00 412.50 617.50 919.50 768.00 596.00 229.00 53.79 a 6.50 3850.79
1957 0.00 7.78 a 34.50 90.50 352.50 612.00 895.00 851.50 623.28 a 179.00 3.50 7.00 3656.55
1958 0.00 37.00 5.00 88.00 586.00 599.50 868.50 949.00 549.00 366.50 107.00 32.00 4187.50
1959 20.50 4.50 21.50 225.50 222.50 700.00 962.03 a 818.00 432.50 298.50 53.50 2.50 3761.53
1960 0.00 0.00 98.00 194.00 334.50 718.50 1067.50 792.50 614.50 278.48 a 23.50 3.00 4124.48
1961 15.50 a 24.37 a 41.33 a 144.64 b 392.67 a 847.24 a 1011.78 b 582.00 l 387.00 248.00 a 20.00 4.13 a 3136.66
1962 7.23 a 3.00 28.42 a 162.00 f 306.26 b 577.76 a 832.35 a 833.79 b 625.00 290.62 c 37.00 f 17.71 c 3522.15
1963 0.50 67.50 40.50 85.34 a 453.00 477.50 835.40 b 861.28 a 700.50 404.55 a 56.11 c 1.00 3983.19
1964 3.50 0.00 21.50 108.75 b 330.67 a 490.50 0.00 z 830.80 a 475.00 372.53 b 38.00 14.00 2685.25
1965 4.50 17.11 a 20.00 168.00 271.00 530.56 c 860.77 a 760.00 384.00 0.00 z 0.00 z 15.50 3031.43
1966 5.00 0.00 0.00 z 187.50 0.00 z 590.50 900.50 900.00 680.50 269.00 65.50 2.50 3601.00
1967 3.50 16.50 46.50 9.00 380.50 534.50 981.00 965.00 700.50 287.00 65.00 0.50 3989.50
1968 5.00 35.50 78.00 85.50 338.00 635.50 924.50 663.00 507.00 235.50 9.50 6.50 3523.50
1969 12.00 0.00 60.34 c 182.00 497.03 a 571.50 895.00 928.50 623.50 90.50 l 31.00 g 0.00 z 3769.87
1970 0.00 z 0.50 x 11.00 o 86.11 c 379.50 603.50 894.50 916.00 369.00 136.50 14.00 2.00 3401.11
1971 36.50 27.00 36.50 97.50 355.50 501.00 785.00 946.50 333.00 199.50 28.00 0.00 3346.00
1972 0.00 34.00 89.00 r 138.75 b 439.74 d 670.38 d 885.22 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2168.10
1973 0.00 z 0.00 z 5.00 p 113.50 446.00 662.07 a 844.50 890.98 b 0.00 z 0.00 z 0.00 z 0.00 z 2957.05
1974 0.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 6.81 16.94 39.89 127.77 382.91 602.65 903.42 852.69 536.96 270.43 48.23 7.22 3801.50
S.D. 9.68 18.57 26.20 55.67 89.24 89.52 72.61 82.49 118.30 70.94 33.92 8.44 273.93
SKEW 1.95 1.13 0.71 -0.11 0.38 0.87 0.54 -0.56 -0.26 0.14 0.64 1.57 -0.14
MAX 36.50 67.50 98.00 225.50 586.00 847.24 1067.50 965.00 700.50 404.55 119.00 32.00 4187.50
MIN 0.00 0.00 4.00 9.00 222.50 477.50 785.00 663.00 333.00 136.50 3.50 0.00 3346.00
NO YRS 17 18 16 19 19 20 19 18 18 16 15 18 10