WHITERIVER 1 SW, ARIZONA

Monthly Total Heating Degree Days

(029271)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201201
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
1900 0.00 z 724.00 398.00 362.50 79.50 0.00 0.00 a 1.50 73.00 305.50 554.50 808.50 3307.00
1901 737.50 530.50 395.50 g 0.00 z 130.95 b 66.00 h 0.00 0.00 52.50 284.00 487.50 857.00 3079.95
1902 873.00 708.00 774.00 296.90 a 203.50 8.00 14.50 1.00 55.50 272.00 647.50 799.00 4652.90
1903 875.00 864.50 660.50 414.00 216.50 35.00 0.00 0.00 96.00 338.50 491.50 851.50 4843.00
1904 949.50 609.00 b 506.00 335.50 142.00 21.00 0.00 0.00 38.50 343.50 627.50 828.50 4401.00
1905 742.00 593.50 600.50 497.50 253.00 33.00 1.50 0.00 52.00 341.00 625.50 1029.50 4769.00
1906 878.00 573.50 543.50 378.00 172.00 25.50 5.50 6.50 4.00 k 264.00 542.50 686.00 4075.00
1907 772.50 583.00 484.00 204.50 184.50 74.00 0.00 1.00 31.00 241.00 590.00 771.50 3937.00
1908 738.50 691.50 499.00 346.50 253.00 56.50 0.00 0.00 37.00 344.00 590.00 870.00 4426.00
1909 801.00 823.00 816.50 602.00 220.50 3.00 0.00 0.00 36.00 254.50 537.50 955.00 5049.00
1910 811.50 706.50 425.00 336.50 124.50 2.00 0.00 0.00 12.00 250.00 0.00 z 739.50 3407.50
1911 748.00 737.00 469.50 421.50 221.50 59.50 1.00 0.00 4.00 308.00 421.50 i 216.50 z 2970.00
1912 982.50 752.00 649.00 522.41 a 199.00 f 6.00 e 4.50 0.50 84.50 366.50 679.00 865.00 4911.91
1913 711.50 j 845.50 382.50 o 440.00 191.50 34.00 4.00 0.00 56.00 337.00 524.00 949.00 3381.00
1914 812.50 658.50 525.00 294.00 114.50 8.00 2.00 1.00 18.50 289.00 514.00 882.00 4119.00
1915 911.50 702.00 665.00 381.00 304.00 40.00 0.00 2.00 107.07 a 329.00 592.50 841.50 4875.57
1916 846.50 591.00 496.50 380.50 260.50 17.50 12.92 a 21.59 c 128.50 409.50 0.00 z 471.50 q 3165.01
1917 882.50 769.50 773.50 500.50 441.50 35.50 6.00 41.00 103.50 0.00 z 0.00 z 0.00 z 3553.50
1918 963.50 806.00 495.50 374.00 236.00 34.00 0.00 0.00 3.00 170.00 0.00 z 0.00 z 3082.00
1919 1047.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 z 0.00 z 404.11 c 667.00 0.00 z 2118.11
1920 0.00 z 597.61 a 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 597.61
1921 0.00 z 0.00 z 477.50 444.50 213.00 28.50 9.00 22.00 25.00 237.50 582.00 723.50 2762.50
1922 0.00 z 716.00 685.00 491.50 212.50 2.00 0.00 0.00 4.50 277.00 736.50 769.50 3894.50
1923 743.00 753.50 688.50 425.50 126.87 d 36.50 0.00 b 1.00 95.50 371.00 624.50 898.50 4764.37
1924 930.00 647.00 783.00 469.50 128.50 9.50 0.00 0.00 41.50 286.23 a 539.50 962.50 4797.23
1925 955.50 606.00 532.50 310.00 92.50 35.50 0.00 0.50 42.50 287.50 665.50 875.23 a 4403.23
1926 1001.50 672.00 624.00 442.50 210.00 17.22 c 5.00 0.00 29.00 212.50 559.50 973.50 4746.72
1927 733.50 612.50 679.50 436.00 196.00 61.00 0.00 0.00 62.00 280.00 505.00 957.50 4523.00
1928 833.50 743.00 526.50 412.50 104.00 18.00 0.00 0.00 9.50 208.00 610.00 869.00 4334.00
1929 914.50 824.50 643.50 438.50 137.00 16.00 0.00 0.00 12.50 275.00 695.00 735.00 4691.50
1930 951.00 585.00 638.00 256.00 295.00 22.50 0.00 5.00 46.80 e 327.64 b 665.00 925.50 4717.44
1931 919.00 645.00 602.50 340.00 116.00 11.50 0.00 0.00 28.00 264.00 670.50 950.50 4547.00
1932 1087.00 666.50 613.50 346.00 185.00 69.50 0.00 0.00 22.24 a 293.00 544.00 985.80 a 4812.54
1933 992.50 831.00 549.00 512.50 329.00 13.50 0.00 z 0.00 z 2.50 158.50 0.00 z 0.00 z 3388.50
1934 802.50 590.00 0.00 z 0.00 z 7.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1400.00
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 v 0.00 6.35 d 167.40 a 616.00 678.50 1468.25
1941 776.07 b 593.50 587.45 a 506.50 107.98 a 29.00 0.00 4.13 a 35.50 305.50 541.00 752.50 4239.14
1942 674.50 f 765.50 662.50 327.00 130.50 0.00 0.00 0.00 a 1.50 265.00 465.00 696.47 a 3313.47
1943 795.50 558.00 466.00 238.00 128.00 8.00 0.00 0.00 a 6.50 225.00 515.89 b 826.67 a 3767.56
1944 899.52 a 759.50 659.02 b 487.50 184.00 29.50 1.00 1.50 30.00 186.00 637.50 784.50 4659.53
1945 834.00 649.00 730.00 410.00 f 137.50 48.00 0.00 0.00 66.00 175.00 h 591.50 912.50 3968.50
1946 1003.00 743.22 e 554.38 a 191.54 d 187.07 b 0.00 a 0.00 a 0.00 11.50 285.50 659.00 690.50 4325.71
1947 929.50 598.00 567.50 382.00 97.50 7.00 g 0.00 0.00 1.00 229.73 c 484.00 h 888.50 3693.73
1948 808.50 764.00 757.50 340.00 94.50 5.00 c 0.00 c 0.00 d 4.20 e 203.50 695.00 759.00 4431.20
1949 1079.50 733.00 509.50 206.00 13.36 b 0.00 z 0.00 a 0.00 0.00 a 316.31 d 404.00 858.50 4120.18
1950 837.00 a 555.85 a 566.00 253.00 176.70 a 27.00 0.00 0.00 47.59 a 29.00 f 307.50 i 398.00 l 2463.14
1951 843.20 a 760.26 e 655.50 417.00 209.50 50.50 0.00 3.10 a 8.00 217.50 593.50 890.70 c 4648.76
1952 802.50 767.00 831.32 a 369.50 53.00 s 3.00 h 0.00 0.00 21.72 a 99.72 a 688.00 882.50 4462.26
1953 732.50 765.00 606.50 394.82 b 326.57 b 9.00 0.00 d 0.00 0.00 j 237.00 492.50 912.00 4475.89
1954 810.00 521.50 417.00 j 211.15 d 105.50 28.50 0.00 1.50 10.00 112.50 f 467.31 d 809.62 a 2965.08
1955 717.50 g 854.00 b 618.50 443.50 181.00 38.50 h 1.00 0.00 21.50 137.50 549.50 689.50 3496.00
1956 555.50 f 894.00 554.50 384.23 d 119.00 0.00 a 0.00 0.00 b 0.00 203.50 708.50 836.00 3699.73
1957 760.00 464.50 583.32 a 440.50 176.50 j 0.00 i 3.50 0.50 27.86 b 264.07 d 670.50 715.07 a 3929.81
1958 0.00 z 0.00 z 609.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 609.00
1959 755.50 701.56 a 0.00 z 261.50 167.50 2.22 c 0.00 a 0.00 c 39.11 b 222.17 a 600.00 a 778.00 3527.55
1960 1022.50 830.12 a 489.28 a 335.69 a 174.24 b 1.55 a 0.00 b 0.00 10.00 270.50 520.50 854.10 b 4508.49
1961 810.00 648.15 a 597.50 351.96 b 117.59 b 9.50 0.00 6.50 54.83 a 278.48 a 615.00 858.50 4348.01
1962 915.50 643.50 759.00 253.45 a 211.00 35.00 0.00 0.00 33.00 223.09 c 439.50 723.00 4236.04
1963 935.50 563.50 637.00 426.50 77.50 a 46.00 0.00 a 2.50 0.00 c 126.50 533.00 832.50 4180.50
1964 965.65 a 888.50 742.50 465.50 176.50 14.00 0.00 1.60 b 56.50 145.50 632.50 790.50 4879.25
1965 772.00 772.50 700.00 418.50 265.05 a 69.50 0.00 0.00 69.50 191.34 b 429.00 775.00 4462.39
1966 921.00 825.50 537.00 346.50 80.00 2.07 a 0.00 1.00 18.50 252.50 473.50 814.50 4272.07
1967 863.50 627.50 483.00 492.00 200.50 42.50 0.00 0.00 22.00 221.50 465.50 943.50 4361.50
1968 845.50 586.50 616.00 457.50 191.00 34.50 1.50 9.50 36.50 205.00 606.00 953.50 4543.00
1969 715.00 696.89 a 760.00 332.00 168.50 10.50 0.00 0.00 10.00 341.00 586.50 712.50 4332.89
1970 904.00 615.00 693.50 531.50 140.00 9.50 0.00 0.00 90.00 397.50 542.50 776.50 4700.00
1971 869.00 684.50 565.50 416.50 255.50 42.50 1.00 0.00 82.50 416.50 588.00 928.00 4849.50
1972 809.00 659.50 385.00 357.00 175.50 12.00 0.00 8.00 27.50 267.00 734.00 879.50 4314.00
1973 948.50 715.00 773.50 515.50 172.00 47.50 0.50 0.00 34.50 219.50 586.50 800.00 4813.00
1974 873.00 742.00 538.37 a 405.50 140.50 9.00 0.00 0.00 62.50 239.50 567.00 907.50 4484.87
1975 879.00 746.00 692.50 593.00 258.50 13.00 0.00 0.50 29.00 247.00 582.00 834.00 4874.50
1976 861.00 612.50 649.45 a 422.00 155.50 13.50 0.00 0.00 45.50 353.50 590.69 a 835.50 4539.14
1977 875.50 646.50 738.50 369.00 240.77 a 2.50 0.00 0.00 18.00 195.00 519.31 a 676.00 4281.08
1978 795.50 688.00 519.50 384.50 204.00 3.50 0.00 0.00 a 35.50 162.00 557.50 928.00 4278.00
1979 960.50 728.50 662.50 381.50 229.50 39.83 a 0.50 6.50 19.50 173.50 676.50 763.00 4641.83
1980 786.50 648.00 677.50 415.00 272.50 22.50 0.00 0.00 2.00 334.91 c 554.00 645.00 4357.91
1981 714.50 613.00 656.50 280.50 152.50 11.00 0.00 0.00 9.00 275.50 487.50 707.66 b 3907.66
1982 856.50 660.50 612.00 376.00 215.00 30.00 0.00 0.00 50.00 305.50 563.50 832.50 4501.50
1983 794.50 675.00 648.00 561.00 231.00 23.50 0.00 0.00 17.00 227.50 587.50 764.50 4529.50
1984 804.50 746.50 583.50 449.00 74.50 6.00 0.00 0.00 15.50 388.00 584.00 773.50 4425.00
1985 828.50 746.00 611.00 327.50 133.00 27.50 0.00 0.00 77.50 272.00 611.00 775.00 4409.00
1986 648.50 616.00 445.50 330.00 152.50 5.00 0.00 0.00 b 48.00 i 195.50 n 330.00 k 461.00 m 2197.50
1987 542.50 k 458.50 i 386.50 n 223.50 i 234.00 2.50 0.00 4.00 0.00 z 80.50 l 606.50 469.50 m 847.00
1988 406.50 p 391.00 j 588.50 417.00 169.00 18.00 0.00 0.00 n 40.50 r 85.50 l 332.00 g 482.00 l 1192.50
1989 513.00 k 473.00 i 481.00 232.50 128.50 19.50 0.00 a 0.00 i 18.50 n 112.50 p 372.00 j 575.00 k 861.50
1990 553.50 k 416.00 n 404.50 j 327.50 196.16 b 6.50 0.00 0.00 6.00 n 143.50 n 355.00 l 297.50 s 530.16
1991 573.00 j 333.00 l 0.00 z 241.50 n 0.00 z 0.00 z 0.00 0.00 47.07 a 223.50 0.00 z 446.50 n 270.57
1992 568.00 n 283.00 q 320.50 o 317.00 161.50 57.50 8.50 13.50 16.50 233.53 a 739.50 353.00 r 1547.53
1993 354.00 q 0.00 z 377.50 j 0.00 z 0.00 z 66.00 0.00 6.00 36.50 i 172.50 m 298.00 p 280.00 t 72.00
1994 513.00 l 0.00 z 0.00 z 377.00 159.00 j 2.00 0.00 0.00 26.90 a 202.00 m 404.50 j 0.00 z 405.90
1995 306.00 u 270.00 n 387.00 j 517.00 312.00 65.69 a 5.00 0.00 z 20.00 i 258.50 469.00 486.50 k 1627.19
1996 450.50 n 237.00 q 424.00 j 402.00 137.90 b 3.00 0.00 0.00 j 69.00 312.00 503.28 a 537.00 j 1427.17
1997 534.50 m 454.00 j 325.50 l 415.56 c 92.50 38.00 0.00 0.00 0.00 324.39 c 527.50 491.00 n 1397.95
1998 426.50 o 348.50 o 460.50 h 503.28 a 259.88 a 53.28 a 0.00 a 0.00 0.00 z 249.60 b 542.68 b 529.50 i 1608.72
1999 549.50 i 441.00 f 475.50 470.00 178.77 a 35.89 b 0.00 a 0.00 a 10.50 189.00 390.00 657.00 f 1749.66
2000 406.50 k 553.90 d 568.33 d 271.61 b 59.50 0.00 b 0.00 a 0.00 7.24 a 262.31 e 669.81 d 490.50 j 2392.70
2001 603.00 h 380.50 l 432.50 f 305.69 a 65.62 a 5.00 0.00 a 0.00 0.00 f 148.50 436.11 c 602.00 i 960.92
2002 438.50 n 425.50 i 568.50 214.50 152.00 3.00 0.00 4.50 k 18.50 270.00 529.50 504.50 l 1756.00
2003 589.50 640.50 566.00 425.50 147.00 5.50 0.00 0.00 10.00 123.00 394.00 g 420.00 l 2507.00
2004 439.50 m 429.50 l 300.50 g 397.50 89.50 4.50 0.00 7.00 45.00 226.54 e 0.00 z 542.00 i 770.04
2005 529.00 h 599.50 616.00 342.50 131.00 12.00 k 0.00 j 0.00 13.00 204.00 484.50 732.00 3122.50
2006 731.00 584.50 608.50 290.00 50.50 0.00 0.00 0.00 76.50 331.00 508.50 829.50 4010.00
2007 657.00 h 636.50 497.07 b 319.00 107.00 10.50 0.00 0.00 15.00 216.00 83.50 u 796.00 2597.07
2008 509.50 m 652.50 579.50 403.00 232.50 8.50 0.00 4.00 14.00 250.50 510.50 104.50 z 2655.00
2009 0.00 z 409.00 k 0.00 z 0.00 z 34.50 u 34.00 0.00 z 0.00 z 40.00 0.00 z 0.00 z 0.00 z 74.00
2010 0.00 z 0.00 z 0.00 z 0.00 z 22.50 x 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2011 683.50 g 740.44 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 z 0.00 z 0.00 z 740.44
2012 20.00 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
Period of Record Statistics
MEAN 854.02 685.16 603.15 385.21 172.74 22.75 0.89 1.98 34.27 260.52 572.43 826.51 4490.81
S.D. 98.31 92.38 99.23 89.70 72.77 19.95 2.53 5.60 28.83 68.86 79.34 88.16 275.74
SKEW 0.11 0.21 0.16 -0.03 0.54 0.81 3.56 4.74 1.02 0.08 0.03 0.05 -0.37
MAX 1087.00 894.00 831.32 602.00 441.50 74.00 14.50 41.00 128.50 416.50 739.50 1029.50 5049.00
MIN 589.50 464.50 385.00 191.54 7.50 0.00 0.00 0.00 0.00 99.72 390.00 645.00 3767.56
NO YRS 74 85 84 94 94 92 99 94 90 90 83 74 52