GROOM CREEK, ARIZONA

Monthly Total Heating Degree Days

(023713)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197604
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
1917 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 z 0.00
1918 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 z 0.00
1919 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 z 0.00
1920 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 z 0.00
1921 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 z 0.00
1922 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 z 0.00
1923 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 z 0.00
1924 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 z 0.00
1925 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 z 0.00
1926 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 z 0.00
1927 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 z 0.00
1928 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 z 0.00
1929 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 z 0.00
1930 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 z 0.00
1931 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 z 0.00
1932 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 z 0.00
1933 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 z 0.00
1934 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 z 0.00
1935 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 z 0.00
1936 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 z 0.00
1937 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 z 0.00
1938 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 z 0.00
1939 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 z 0.00
1940 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 z 0.00
1941 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 z 0.00
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.95 a 72.00 198.50 523.00 556.00 746.50 2109.95
1943 826.50 679.00 666.50 439.50 246.50 116.00 15.50 27.50 88.00 418.00 626.00 873.50 5022.50
1944 903.00 696.00 813.00 590.50 298.50 128.00 0.50 2.00 79.50 322.92 a 764.50 0.00 z 4598.42
1945 0.00 z 555.50 738.00 416.50 319.50 141.50 0.50 6.00 122.00 263.00 555.50 951.00 4069.00
1946 1019.00 799.00 480.50 349.00 328.50 109.14 a 3.50 7.50 99.50 532.00 789.00 359.00 p 4516.64
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.00 g 38.00 f 33.00 336.00 857.50 469.00 q 1226.50
1948 179.50 z 870.00 346.00 s 457.50 263.00 86.50 0.00 0.00 1.15 d 312.00 703.50 859.00 3552.65
1949 1242.77 c 0.00 z 0.00 z 0.00 z 188.00 l 107.50 10.00 37.50 56.00 511.00 494.00 990.00 3448.77
1950 1018.00 705.50 741.00 0.00 z 227.00 g 118.00 30.50 68.72 a 161.50 205.63 a 534.00 698.53 a 4281.38
1951 940.50 759.00 772.00 555.00 349.00 162.00 0.00 50.00 73.50 h 401.50 731.50 956.50 5677.00
1952 972.00 866.50 986.32 a 562.50 260.50 85.00 16.00 4.50 83.00 237.00 807.00 986.50 5866.82
1953 801.50 826.50 748.00 587.07 a 505.00 118.00 6.00 61.47 b 97.00 439.50 634.50 1007.00 5831.53
1954 946.00 679.50 866.00 426.00 282.50 151.50 13.00 53.50 120.50 294.50 f 631.00 945.50 5115.00
1955 1167.00 983.50 823.00 669.50 408.00 189.50 74.50 40.00 82.50 259.00 675.50 827.50 6199.50
1956 796.00 990.50 689.50 597.41 a 191.00 g 31.50 12.29 b 24.50 f 21.50 364.25 a 719.50 940.00 5162.46
1957 979.50 659.00 751.00 604.66 a 497.00 93.62 a 7.50 35.00 107.00 492.00 808.00 818.00 5852.28
1958 961.50 724.00 976.00 621.00 213.00 69.00 1.50 2.00 134.50 376.00 688.00 766.00 5532.50
1959 899.00 915.50 721.50 458.00 382.00 38.00 0.00 27.00 166.50 374.00 663.00 888.00 5532.50
1960 1104.00 972.50 629.50 493.00 325.00 30.00 2.00 16.00 59.00 467.50 700.00 985.50 5784.00
1961 865.00 742.50 791.50 508.00 331.00 60.50 7.50 19.50 181.00 443.50 773.00 969.00 5692.00
1962 981.50 799.00 943.00 393.50 390.00 139.00 6.50 9.00 92.50 395.00 592.50 837.00 5578.50
1963 1023.50 651.00 808.00 644.00 267.50 170.50 0.00 15.50 82.00 319.00 676.50 881.00 5538.50
1964 1060.00 963.50 912.50 640.50 388.00 128.50 2.00 39.00 138.00 242.50 749.00 899.00 6162.50
1965 833.00 803.50 774.00 615.50 413.50 233.50 0.50 9.00 196.00 266.00 579.50 632.00 h 4724.00
1966 1000.50 911.50 648.00 452.00 200.50 73.00 0.00 3.00 65.00 366.46 c 602.00 921.50 5243.46
1967 887.00 696.50 650.50 678.62 a 351.50 165.00 0.00 0.00 z 82.50 304.00 578.00 439.00 q 4393.62
1968 938.00 649.60 d 719.50 613.50 312.50 95.50 6.50 75.50 117.50 352.37 a 680.17 a 981.00 5541.64
1969 812.50 846.50 860.50 518.00 271.00 102.00 3.00 2.00 82.50 503.50 688.50 828.50 5518.50
1970 917.50 692.00 802.50 685.50 128.50 v 0.00 z 0.00 a 6.00 162.50 465.52 a 620.69 a 927.00 5279.21
1971 886.50 763.26 a 688.72 a 566.50 476.50 128.50 0.00 22.00 148.00 539.92 a 714.50 794.00 i 4934.39
1972 902.74 b 702.44 b 462.13 d 484.50 294.50 a 80.36 b 0.00 b 25.00 138.89 c 441.50 0.00 z 203.50 y 3532.06
1973 1024.00 799.56 a 838.55 a 653.00 272.28 a 97.00 8.30 c 10.69 b 89.48 a 338.93 a 718.27 d 863.35 a 5713.42
1974 993.50 793.52 c 699.88 e 538.80 e 254.31 d 35.17 a 0.00 z 4.00 o 116.50 383.00 687.00 1004.00 5505.69
1975 911.50 823.00 847.50 737.00 385.00 0.00 z 0.00 z 8.50 n 79.50 393.00 684.00 844.15 e 5704.65
1976 846.00 721.00 795.00 595.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2957.00
Period of Record Statistics
MEAN 950.29 782.50 762.70 553.26 331.65 109.44 7.79 25.75 105.53 381.47 675.20 896.09 5663.13
S.D. 104.13 110.54 120.83 97.11 80.42 48.17 14.19 23.28 47.60 92.87 85.87 82.57 298.86
SKEW 0.78 0.30 -0.45 -0.24 0.57 0.34 3.60 0.79 0.07 0.00 -0.03 -0.58 -0.13
MAX 1242.77 990.50 986.32 737.00 505.00 233.50 74.50 75.50 198.50 539.92 857.50 1007.00 6199.50
MIN 796.00 555.50 462.13 349.00 200.50 30.00 0.00 0.00 1.15 205.63 494.00 698.53 5022.50
NO YRS 31 32 31 31 28 30 31 29 33 33 33 27 16