SAINT JOHNS, ARIZONA

Monthly Total Heating Degree Days

(027435)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 y 25.50 321.00 585.50 1013.00 1945.00
1902 953.50 718.00 738.50 285.00 134.50 10.00 0.00 0.00 113.50 0.00 z 0.00 z 0.00 z 2953.00
1903 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 395.77 a 612.93 a 1014.50 2023.20
1904 251.50 x 661.50 549.50 373.00 108.50 r 0.00 l 0.00 z 0.00 49.50 381.50 633.00 542.50 g 2648.00
1905 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
1906 0.00 z 0.00 z 0.00 z 0.00 z 164.00 61.50 3.00 9.00 100.50 403.00 0.00 z 0.00 z 741.00
1907 0.00 z 0.00 z 0.00 z 0.00 z 296.50 99.50 0.00 5.00 86.50 368.00 710.50 0.00 z 1566.00
1908 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
1909 0.00 z 0.00 z 0.00 z 438.00 230.00 1.50 0.00 0.00 62.50 344.50 594.00 1128.00 2798.50
1910 0.00 z 769.00 0.00 z 367.00 141.50 0.00 z 0.00 z 0.00 8.00 326.00 611.00 829.50 3052.00
1911 849.50 772.50 510.00 404.00 163.00 26.50 2.00 0.00 11.00 389.71 c 0.00 z 1186.00 4314.21
1912 1045.00 835.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 h 178.39 b 460.00 814.00 1217.04 d 4549.43
1913 913.00 h 941.00 886.50 632.00 337.50 56.40 e 10.91 d 0.00 g 171.50 k 392.50 665.00 c 1157.00 5078.81
1914 996.00 0.00 z 411.00 j 343.50 151.00 10.50 0.00 1.79 e 45.50 364.50 603.62 a 1025.50 3541.91
1915 1047.50 825.50 768.50 409.50 311.50 72.93 a 0.00 d 1.00 79.66 a 393.50 714.00 949.50 5573.09
1916 940.50 702.50 560.00 403.00 248.50 13.00 0.00 a 1.50 l 66.92 d 433.40 e 779.50 1049.35 a 5196.68
1917 1096.62 c 819.26 a 805.00 455.00 159.50 q 50.50 0.00 0.00 q 87.86 b 327.80 d 648.33 c 879.50 5169.87
1918 1202.50 437.50 k 412.00 l 298.00 l 260.50 12.50 0.00 4.50 i 60.50 340.00 830.50 1169.73 a 3876.23
1919 1495.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 448.50 705.00 783.50 f 2648.50
1920 918.00 573.00 f 885.50 574.00 194.00 27.00 0.00 6.00 89.50 428.50 703.50 1015.50 4841.50
1921 849.50 734.00 473.00 430.50 214.50 35.00 2.30 d 0.00 12.00 256.50 615.00 780.00 4402.30
1922 1024.50 779.00 722.50 516.00 179.00 7.50 0.00 0.00 74.00 393.00 770.00 858.00 5323.50
1923 845.50 792.00 719.50 408.50 121.00 28.00 0.00 6.00 99.50 443.00 708.50 1026.00 5197.50
1924 1094.00 747.00 790.00 489.00 158.00 11.00 0.00 0.00 79.00 0.00 z 0.00 z 0.00 z 3368.00
1925 0.00 z 634.50 586.50 293.50 68.50 20.00 0.00 0.00 37.50 272.50 677.00 0.00 z 2590.00
1926 1014.00 624.50 618.50 404.50 194.50 28.00 0.00 0.00 35.50 266.50 639.00 1016.50 4841.50
1927 843.00 594.00 656.00 376.50 140.07 d 48.75 b 0.00 2.50 73.50 358.00 552.00 1037.00 4681.32
1928 946.50 815.00 568.50 442.50 160.50 39.50 1.50 4.00 20.50 292.50 710.00 1001.50 5002.50
1929 996.50 868.50 688.50 461.00 254.00 35.00 1.50 0.50 46.00 360.00 818.50 891.00 5421.00
1930 1048.00 678.50 684.50 307.50 331.50 28.50 0.00 0.50 101.00 408.50 827.00 706.50 k 4415.50
1931 1113.50 749.00 664.00 402.00 202.00 12.00 0.00 3.50 25.50 315.00 850.00 1308.00 5644.50
1932 1211.00 752.50 714.50 473.50 343.50 97.50 1.50 8.50 107.50 416.50 0.00 z 1282.50 5409.00
1933 1321.00 1008.50 723.00 638.00 393.00 34.00 0.00 7.50 34.50 404.50 770.50 939.50 6274.00
1934 1056.00 719.00 586.50 27.50 z 12.00 i 26.00 0.00 0.00 103.50 286.50 631.50 903.50 4312.50
1935 859.00 723.00 656.50 390.50 263.50 6.00 0.00 0.00 55.50 412.00 742.00 921.00 5029.00
1936 898.50 761.50 638.00 338.00 111.00 20.50 0.00 0.00 68.50 312.50 698.00 944.50 4791.00
1937 1517.00 813.50 701.00 367.50 110.00 30.00 0.00 0.00 11.00 280.50 652.50 862.50 5345.50
1938 911.50 716.50 622.00 402.00 231.50 5.50 0.00 0.00 14.50 346.00 855.00 912.50 5017.00
1939 1040.00 1017.50 587.50 298.50 108.00 8.00 0.00 0.00 14.50 377.50 611.00 859.50 4922.00
1940 968.50 789.00 622.00 412.00 106.00 2.00 0.00 10.00 58.50 322.50 723.00 847.00 4860.50
1941 877.00 654.00 655.50 518.00 164.50 54.00 0.00 0.00 89.50 388.00 362.00 p 868.50 4269.00
1942 1008.50 867.00 780.00 412.00 225.50 10.50 0.00 0.00 44.50 345.00 609.50 847.50 5150.00
1943 908.50 688.50 605.00 274.66 a 144.00 29.50 0.00 0.00 43.00 354.43 a 753.50 972.62 c 4773.71
1944 0.00 z 802.00 710.42 a 437.00 157.50 45.00 0.00 2.00 54.50 294.50 774.50 990.50 4267.92
1945 1024.55 a 736.00 784.00 500.50 223.50 81.00 0.00 0.00 98.50 313.00 771.50 1195.00 5727.55
1946 1227.00 838.50 645.32 a 261.00 208.50 5.00 7.00 0.50 28.50 393.50 750.50 884.00 5249.32
1947 1102.57 a 687.50 637.50 444.50 143.00 38.50 5.37 e 0.00 x 30.50 328.50 0.00 z 1118.67 b 4536.60
1948 440.50 s 945.09 a 913.50 416.00 157.67 b 9.81 d 0.00 0.00 p 32.00 334.59 b 851.00 913.98 a 4573.64
1949 1222.43 a 867.50 699.50 384.50 230.36 b 43.50 0.00 a 1.07 b 9.00 431.00 589.50 1137.50 5615.86
1950 951.70 a 583.00 f 632.40 a 351.11 c 256.55 b 45.00 a 1.03 a 0.00 87.41 a 136.50 599.00 823.05 a 3883.76
1951 951.50 773.00 723.33 a 416.50 189.00 63.62 a 0.00 0.00 z 0.00 l 266.50 k 724.82 b 1009.05 a 4850.83
1952 863.00 847.44 b 820.98 a 398.57 b 135.50 h 2.40 e 0.00 a 1.79 e 87.93 a 279.00 908.28 a 1007.50 a 5216.89
1953 834.00 813.62 b 610.00 404.46 b 320.50 26.40 e 0.00 0.00 26.79 b 382.00 690.00 a 738.00 k 4107.77
1954 946.50 703.11 a 740.50 311.00 157.67 b 0.00 z 0.00 z 1.50 33.21 b 240.50 592.00 1015.80 c 4741.80
1955 840.50 g 959.54 b 670.93 c 433.00 200.50 40.34 a 0.00 0.00 30.52 a 262.98 a 652.50 794.24 b 4044.55
1956 760.00 1001.54 a 585.26 b 436.67 c 106.50 0.00 0.00 2.07 a 0.00 288.00 893.00 1049.00 5122.03
1957 839.00 537.00 616.56 d 438.62 a 229.40 a 12.78 c 0.00 0.50 31.61 b 351.85 a 716.54 d 877.82 a 4651.67
1958 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
1959 923.80 a 750.50 532.50 h 253.45 a 171.50 3.00 0.00 0.00 a 52.00 348.23 a 608.08 d 961.50 4072.06
1960 1208.50 873.50 512.00 315.00 200.98 a 19.00 0.00 0.53 b 43.45 a 382.33 a 690.50 1127.50 5373.30
1961 1032.50 722.00 639.50 366.00 140.50 14.00 0.00 0.00 78.50 367.00 705.00 1017.50 5082.50
1962 1062.50 719.50 782.00 261.50 185.50 23.50 0.00 a 0.00 31.00 284.00 561.50 916.57 a 4827.57
1963 1103.00 696.00 622.00 372.93 a 55.50 26.38 a 0.00 0.00 a 5.50 195.50 622.50 1007.50 4706.81
1964 1164.00 938.88 a 765.00 451.03 a 150.00 10.00 0.00 0.00 57.00 211.00 741.00 708.00 h 4487.91
1965 873.96 e 816.00 723.50 397.00 235.50 47.68 b 0.00 3.00 79.50 272.50 559.82 b 875.50 4883.96
1966 1039.00 842.50 535.27 a 326.50 58.00 4.50 0.00 1.50 23.50 297.50 516.92 d 966.50 4611.69
1967 995.62 a 711.00 504.00 413.50 197.50 30.00 0.00 0.00 37.00 284.00 543.00 1172.50 4888.12
1968 1135.00 634.00 626.00 448.50 205.50 35.00 0.00 2.00 75.00 314.00 704.50 1059.00 5238.50
1969 787.00 733.50 755.00 334.00 141.50 8.50 0.00 0.00 10.50 392.00 696.50 785.50 4644.00
1970 945.50 633.00 703.50 524.50 115.00 22.00 0.00 0.00 91.00 448.50 624.00 914.00 5021.00
1971 1078.00 764.00 571.50 429.50 209.50 27.00 0.00 0.00 105.00 479.50 705.00 995.50 5364.50
1972 938.00 716.50 411.00 365.50 163.50 17.50 0.00 3.00 31.00 291.50 763.00 1008.00 4708.50
1973 1116.00 747.50 746.50 530.00 149.00 34.00 4.00 0.00 41.50 292.00 625.00 885.50 5171.00
1974 957.00 822.50 502.00 401.50 91.50 5.50 0.00 0.00 46.50 265.50 660.50 1024.50 4777.00
1975 1014.50 769.00 666.00 519.00 227.00 9.00 0.00 1.00 48.50 292.50 726.50 1063.50 5336.50
1976 1011.50 626.00 696.00 383.50 105.50 10.00 0.00 0.50 33.00 372.50 709.50 989.00 4937.00
1977 1060.00 730.00 759.00 393.00 255.00 1.50 0.00 0.00 25.50 251.00 609.00 737.50 4821.50
1978 819.50 719.00 501.50 340.00 211.00 6.00 0.00 0.00 c 49.50 237.00 586.00 1050.00 4519.50
1979 1019.00 759.00 682.50 356.00 213.90 a 0.00 z 0.00 10.50 21.50 241.00 749.00 944.50 4996.90
1980 883.50 689.50 711.50 452.00 258.00 15.00 0.00 z 0.00 23.50 421.50 702.50 833.00 4990.00
1981 841.50 734.50 715.38 e 305.00 169.50 5.17 a 0.00 0.00 22.50 343.50 566.00 819.00 4522.06
1982 923.00 631.50 518.50 398.50 205.50 19.00 0.00 0.00 53.00 381.00 703.50 965.50 4799.00
1983 984.50 727.50 639.50 572.50 229.00 20.50 0.00 0.00 22.50 281.00 646.50 816.50 4940.00
1984 969.27 a 890.50 461.50 340.50 19.00 6.21 a 0.00 0.00 42.00 486.50 669.50 730.00 f 3884.97
1985 1015.50 862.00 677.50 350.00 144.00 28.50 0.00 0.00 136.50 353.00 687.00 967.50 5221.50
1986 828.00 678.50 584.00 412.50 157.50 16.00 0.00 0.00 154.00 478.50 682.00 957.00 4948.00
1987 1037.00 801.50 756.50 357.50 206.50 4.00 0.00 2.50 47.50 233.50 722.00 1019.50 5188.00
1988 995.50 711.50 645.00 397.50 190.50 12.00 0.00 4.00 84.50 202.50 653.50 1013.00 4909.50
1989 1029.50 724.00 509.00 206.00 79.50 4.00 0.00 2.00 33.50 353.00 653.50 987.00 4581.00
1990 998.00 832.00 590.00 318.00 157.00 3.50 0.00 2.00 51.00 334.00 698.00 1202.00 5185.50
1991 985.50 672.50 731.50 436.50 171.02 a 37.00 0.00 0.00 25.00 274.00 702.00 937.00 4972.02
1992 1130.50 722.00 614.00 264.00 132.50 13.00 0.00 11.00 15.00 245.00 829.50 1169.50 5146.00
1993 823.50 712.00 595.00 359.00 115.50 23.50 0.00 2.50 48.50 357.50 720.00 962.00 4719.00
1994 942.50 760.50 560.50 370.00 149.00 0.00 0.00 0.00 38.50 382.50 722.50 879.00 4805.00
1995 891.50 586.00 584.50 469.00 249.00 25.00 0.00 0.00 31.00 300.00 562.50 903.00 4601.50
1996 869.00 609.50 615.00 339.50 40.50 0.50 0.00 0.00 111.00 369.50 663.00 865.00 4482.50
1997 992.50 781.00 558.50 452.00 69.50 25.00 1.50 0.00 20.00 398.00 663.00 1080.50 5041.50
1998 892.50 771.50 676.50 553.50 195.50 30.50 0.00 0.00 1.00 320.00 635.50 948.50 5025.00
1999 190.00 y 677.50 525.00 485.69 a 173.00 30.00 a 0.00 2.14 b 47.00 303.50 546.00 1019.90 a 3809.73
2000 843.50 680.46 a 649.97 a 263.79 a 64.50 1.00 0.00 1.50 13.50 330.00 867.00 914.50 4629.72
2001 1013.50 720.22 a 619.45 c 364.50 86.00 12.00 0.00 0.50 2.07 a 210.00 600.50 1016.59 b 4645.32
2002 978.10 b 781.00 667.00 201.50 104.50 0.00 0.00 0.00 44.50 348.00 650.50 1027.50 4802.60
2003 771.00 703.50 644.00 427.50 127.00 0.00 0.00 0.00 15.00 172.50 643.50 898.00 4402.00
2004 929.50 869.42 d 432.50 418.50 107.00 11.50 0.00 0.00 95.50 359.50 697.00 967.50 4887.92
2005 787.50 675.50 659.50 358.00 118.50 11.00 0.00 0.00 21.50 261.00 625.50 914.50 4432.50
2006 915.07 d 704.50 677.02 c 308.50 49.50 0.00 f 0.00 0.50 97.00 356.00 0.00 z 944.90 e 4053.00
2007 499.50 q 722.00 559.00 332.00 122.50 5.00 0.00 0.00 35.00 316.00 526.00 993.50 3611.00
2008 1023.50 791.00 647.50 440.50 233.50 13.00 0.00 0.00 25.00 338.50 467.50 h 882.00 4394.50
2009 892.00 647.50 579.00 411.00 51.67 d 8.00 i 0.00 0.00 50.00 377.00 638.50 1076.50 4723.17
2010 1023.50 799.50 671.00 393.00 198.50 10.00 0.00 0.00 16.50 274.50 749.00 784.50 4920.00
2011 1122.64 c 829.23 b 537.50 337.50 b 228.22 b 4.50 0.00 0.00 a 20.17 a 347.00 671.50 1047.00 5145.27
2012 880.50 605.50 f 591.14 b 276.00 48.50 u 0.00 y 0.00 a 0.00 36.50 284.50 613.50 932.50 3614.64
2013 1135.50 870.50 554.00 13.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 42.00 z 2560.00
Period of Record Statistics
MEAN 992.19 759.36 646.65 395.32 175.23 22.58 0.41 1.28 50.77 334.69 683.54 977.29 4977.00
S.D. 136.22 93.85 97.41 82.57 71.91 20.59 1.50 2.49 34.82 69.03 84.81 114.64 350.24
SKEW 1.20 0.52 0.17 0.35 0.37 1.54 4.91 2.45 1.01 -0.19 0.45 0.51 0.91
MAX 1517.00 1017.50 913.50 638.00 393.00 99.50 10.91 11.00 178.39 486.50 908.28 1308.00 6274.00
MIN 760.00 537.00 411.00 201.50 19.00 0.00 0.00 0.00 0.00 136.50 516.92 737.50 4402.00
NO YRS 96 99 99 101 100 98 101 98 105 106 100 98 66