GRASMERE, IDAHO

Monthly Total Heating Degree Days

(103809)

Base Temperature = 65 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 1026.74 b 1026.74
1954 0.00 z 747.25 d 1020.70 d 584.00 304.00 293.00 24.28 a 98.50 224.50 562.65 a 704.00 1208.00 5770.89
1955 1352.00 1159.50 1024.00 772.50 499.00 171.00 115.00 11.00 275.17 a 496.50 947.50 1085.50 7908.67
1956 1096.00 1187.50 879.00 609.00 372.00 161.00 31.00 74.00 166.50 603.00 912.93 a 1044.00 7135.93
1957 1422.50 891.85 a 865.50 689.50 424.00 171.00 14.00 34.50 156.72 a 612.00 986.50 997.00 7265.08
1958 1106.50 786.50 1005.50 735.50 209.00 186.50 30.50 6.50 228.00 416.50 787.00 854.50 6352.50
1959 1016.50 968.50 893.00 559.00 561.00 117.50 35.13 a 51.50 339.00 495.50 805.00 1111.00 6952.63
1960 1285.00 1137.50 820.00 603.00 456.00 75.50 0.50 103.50 152.50 527.00 a 864.00 1093.50 7118.00
1961 1032.30 a 837.93 a 878.33 a 653.04 b 386.47 a 67.24 a 2.67 b 2.00 l 364.50 582.80 a 912.00 1162.50 a 6879.77
1962 1291.67 a 932.50 1005.43 a 446.00 f 468.74 b 200.69 a 30.48 a 56.66 b 134.00 493.23 c 673.00 f 964.32 c 5577.72
1963 1234.50 720.00 895.50 754.66 a 322.00 278.00 23.52 b 38.75 a 103.50 388.02 a 803.89 c 1096.00 6658.33
1964 1238.00 1107.50 1055.50 692.14 b 471.20 a 278.00 0.00 z 78.02 a 275.00 411.02 b 922.00 1106.00 7634.38
1965 1054.50 884.59 a 980.00 608.00 524.50 232.78 c 26.87 a 103.00 384.00 0.00 z 0.00 z 1137.00 5935.24
1966 1164.50 1056.50 0.00 z 599.50 0.00 z 193.50 19.50 45.00 131.50 518.50 797.00 1095.50 5621.00
1967 1043.00 852.50 880.00 835.50 425.00 238.50 0.00 8.00 99.00 492.50 826.00 1282.00 6982.00
1968 1157.50 813.50 781.00 778.00 448.00 170.50 12.00 180.00 258.00 553.00 909.00 1148.50 7209.00
1969 1095.50 1037.50 977.61 c 592.00 294.50 a 200.50 38.00 35.00 148.00 420.50 l 613.00 g 0.00 z 4418.61
1970 0.00 z 104.50 x 447.00 o 740.00 c 402.50 202.00 19.50 7.00 391.00 706.50 844.00 1208.00 4520.50
1971 1031.50 911.00 958.50 700.50 427.00 260.00 87.00 19.50 425.50 683.00 894.00 1291.50 7689.00
1972 1277.00 915.50 247.00 r 653.04 b 337.56 d 119.42 d 35.59 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3338.11
1973 0.00 z 0.00 z 422.50 p 690.00 332.50 147.41 a 40.00 32.60 b 0.00 z 0.00 z 0.00 z 0.00 z 1242.52
1974 222.00 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 1170.50 941.53 932.47 676.26 403.42 188.20 30.82 54.61 236.47 533.86 860.99 1106.20 7127.11
S.D. 125.39 143.57 81.02 78.45 88.35 63.94 27.97 45.26 107.42 90.62 74.54 108.00 450.15
SKEW 0.44 0.28 -0.19 0.29 -0.28 -0.16 1.77 1.19 0.37 0.24 -0.30 -0.32 0.11
MAX 1422.50 1187.50 1055.50 835.50 561.00 293.00 115.00 180.00 425.50 706.50 986.50 1291.50 7908.67
MIN 1016.50 720.00 781.00 559.00 209.00 67.24 0.00 6.50 99.00 388.02 704.00 854.50 6352.50
NO YRS 17 18 16 19 19 20 19 18 18 16 15 18 10