GRANVILLE, ARIZONA

Monthly Total Heating Degree Days

(023635)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197508
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
1955 0.00 z 0.00 z 0.00 z 299.50 g 298.00 86.00 26.50 3.50 67.24 a 195.82 a 629.50 772.00 2078.56
1956 796.00 929.00 602.95 a 508.45 a 152.00 5.50 5.50 19.50 16.50 366.00 763.97 a 920.00 5085.36
1957 889.00 554.50 720.50 497.50 396.80 a 48.50 14.50 18.50 98.00 455.00 792.93 a 781.50 5267.23
1958 927.00 726.00 892.00 525.50 166.00 26.00 4.00 4.50 117.00 393.00 668.50 748.50 5198.00
1959 816.00 771.00 689.50 365.50 267.00 24.00 0.00 24.50 126.72 a 327.50 739.50 885.00 5036.22
1960 1105.50 925.41 a 628.00 452.00 342.50 27.50 3.50 2.50 50.00 444.00 683.50 993.50 5657.91
1961 901.50 702.07 a 695.00 460.00 348.00 66.00 7.50 4.81 b 116.00 481.50 776.50 970.50 5529.38
1962 973.00 786.50 893.50 0.00 z 341.00 49.14 a 42.00 17.00 51.00 279.50 601.50 866.00 4900.14
1963 1007.00 682.50 701.00 551.50 294.00 105.50 0.00 8.50 49.50 265.00 744.00 988.00 5396.50
1964 1146.00 998.00 948.50 720.50 472.00 91.50 9.50 26.00 105.00 296.00 746.00 756.50 6315.50
1965 782.00 816.00 817.50 291.50 274.50 184.50 0.00 0.00 103.50 408.00 525.00 1006.50 5209.00
1966 1150.62 a 895.00 781.50 299.50 147.00 145.50 0.00 0.00 a 80.50 359.00 537.50 1119.00 5515.12
1967 1025.50 670.50 581.00 547.50 321.00 101.50 0.00 64.50 80.50 425.50 674.50 0.00 z 4492.00
1968 1013.00 668.00 632.50 645.00 77.50 88.00 62.00 29.00 159.50 452.00 645.00 1120.00 5591.50
1969 862.00 820.00 888.00 487.00 285.00 0.00 0.00 0.00 0.00 235.00 534.50 812.50 4924.00
1970 941.00 441.00 678.50 688.97 a 99.50 3.00 0.00 5.50 130.00 408.50 589.00 817.50 4802.47
1971 823.50 720.50 676.50 655.00 497.50 171.00 0.00 4.50 153.50 543.00 595.00 978.50 5818.50
1972 790.50 675.50 414.00 443.00 252.50 74.00 0.00 2.50 36.50 167.50 765.50 883.50 4505.00
1973 990.93 b 768.50 916.00 534.00 341.00 34.50 61.00 44.00 102.00 0.00 z 599.00 774.50 5165.43
1974 906.00 713.00 619.00 518.50 168.00 28.50 1.00 53.50 134.00 350.00 704.50 926.50 5122.50
1975 940.00 811.00 882.50 0.00 z 0.00 z 134.50 40.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 2808.50
Period of Record Statistics
MEAN 939.30 753.70 732.90 510.61 277.04 71.17 13.21 15.85 88.85 360.62 665.77 901.05 5310.89
S.D. 113.20 130.21 140.19 119.70 114.71 54.66 20.52 18.71 44.46 100.90 86.65 116.01 432.61
SKEW 0.38 -0.30 -0.20 -0.11 0.03 0.57 1.46 1.30 -0.32 -0.27 -0.15 0.38 0.40
MAX 1150.62 998.00 948.50 720.50 497.50 184.50 62.00 64.50 159.50 543.00 792.93 1120.00 6315.50
MIN 782.00 441.00 414.00 291.50 77.50 0.00 0.00 0.00 0.00 167.50 525.00 748.50 4505.00
NO YRS 20 20 20 18 20 21 21 21 20 19 20 19 16