GRANGEVILLE 11 SE, ID

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(103780)

Base Temperature = 65 F

File last updated on Mar 01, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1964-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z1119.00 1119.00k
19651027.00 804.00 836.67d520.50 417.00 163.50 29.00 55.00 346.50 378.00 696.50a973.50a6247.17
1966983.50 874.50 780.50 521.00 281.00 179.00 27.00 22.24b94.50 526.50 739.00 943.50 5972.24
1967905.00 755.00 800.50 641.50 341.50 114.00 1.50 5.50 56.00 484.50 741.50 1035.00c5881.50
19681068.50 736.50 629.50 577.00a362.50 134.50 26.50 78.50 219.00 511.61c774.00 1131.50 6249.61
19691194.50 920.00 785.00 451.00 235.50 111.00 32.50 29.50 156.50 626.50 760.96e1011.00 6313.96
19701021.50 708.50 783.00 651.00 349.00 122.00 23.50 3.00 347.00 552.50a843.00 1067.00a6471.00
19711054.50 824.00 783.00a567.00 293.00 191.00 57.50 12.00 327.50 586.55b818.00a1094.50 6608.55
19721075.86b852.00 643.00 643.50 306.50 116.00 39.00 14.00 275.50 504.50 800.50 1222.00 6492.36
19731109.00 767.00a-----z546.00 299.00 139.00a11.00a29.50 194.00 498.00 832.00 890.50 5315.00a
19741090.00a701.46c734.50 527.00 422.50 81.50 34.50 29.00 116.50 426.00 721.50 977.00 5861.46
19751072.00 877.50 789.00 641.50a417.50 198.34b12.50 55.00 168.50 492.50 822.00 962.00a6508.34
1976994.00 839.00 774.50a523.00a285.00 239.50 25.50 57.00 122.50 499.50 759.00 1081.00 6199.50
19771196.00 728.50 814.00 407.00 421.00 48.50 35.00 55.50 238.00 526.50 883.50 617.50j5353.50a
1978-----z313.00p587.50 528.50 422.00 134.50 38.50 86.00 255.50a495.00 956.50 1227.00a4731.00b
19791445.50 879.00 726.50 562.50 318.00 127.00 28.00 7.00 114.50 427.00 918.00 929.00 6482.00
19801139.00 786.00 784.00 394.00 313.00 186.50 23.28b88.50 148.50 482.50 760.50 947.00 6052.78
1981907.24b762.50a654.50 457.50 354.00 183.50 39.00 5.50a179.70b573.50 741.00 951.00 5808.94
19821094.50 942.19d736.00 606.00 381.00a112.50 60.00 12.50 228.50a541.00 895.50 1072.00 6681.69
1983898.50a684.00 617.00 557.00 311.00a124.80b-----z-----z-----z-----z-----z1030.50g3192.30f
1984809.00i-----z-----z-----z-----z47.50p31.55b21.11d301.00 643.50 824.50 1206.50a3028.16f
19851203.00a986.00a845.50 457.50a292.24b118.50 1.00 92.00 382.50 604.66b1109.00 -----z6091.90a
19861042.50a828.50 604.50 563.50 347.00a74.50 89.50 12.50 307.00a502.24b848.52c1103.79b6324.05
19871007.50f-----z-----z371.00 227.00 134.00 68.00 70.50 129.50a372.00g815.00 1081.50 2896.50d
19881154.48b808.50 700.71c434.00a351.00a141.00a51.50 44.50 233.00 349.00 799.50 1121.25c6188.45
19891066.67d-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z1066.67k
Period of Record Statistics
MEAN1079.22 812.60 733.78 528.20 336.84 138.03 34.14 38.52 214.86 510.53 819.98 1052.12 6255.51
S.D.120.37 82.09 80.35 82.56 57.99 43.78 20.73 29.66 91.65 73.40 90.61 98.05 268.77
SKEW1.02 0.32 -0.51 -0.25 0.01 0.26 0.76 0.49 0.16 -0.28 1.45 0.21 -0.20
MAX1445.50 986.00 845.50 651.00 422.50 239.50 89.50 92.00 382.50 643.50 1109.00 1227.00 6681.69
MIN898.50 684.00 587.50 371.00 227.00 48.50 1.00 3.00 56.00 349.00 696.50 890.50 5808.94
YRS22.00 21.00 21.00 23.00 23.00 23.00 23.00 23.00 23.00 22.00 23.00 22.00 17.00