PARKER, ARIZONA

Monthly Total Heating Degree Days

(026250)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1893 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 26.00 i 454.50 597.50 1052.00
1894 465.50 i 485.00 0.00 z 9.00 w 0.00 0.00 0.00 0.00 0.00 12.73 c 102.50 384.50 984.73
1895 469.00 198.50 132.00 23.00 5.00 0.00 z 0.00 z 0.00 z 0.00 r 2.07 a 235.00 545.60 a 1610.17
1896 0.00 z 219.50 i 19.50 h 54.50 0.00 f 0.00 0.00 0.00 f 0.00 17.00 201.50 369.02 e 642.02
1897 396.00 314.00 266.50 20.50 0.00 0.00 e 0.00 r 0.00 z 0.00 44.00 209.00 513.50 1763.50
1898 572.00 160.50 204.00 3.00 2.00 0.00 0.00 z 0.00 k 0.00 1.50 210.00 528.00 1681.00
1899 384.00 251.50 110.50 5.50 13.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 765.00
1900 0.00 z 144.87 e 37.00 54.00 0.00 0.00 0.00 0.00 0.00 12.50 82.00 368.50 698.87
1901 416.00 188.50 108.00 43.50 1.00 0.00 0.00 0.00 0.00 7.00 66.50 345.50 1176.00
1902 380.00 226.00 221.50 9.00 0.00 0.00 0.00 0.00 a 0.00 1.50 53.00 h 0.00 z 838.00
1903 0.00 z 72.00 t 144.00 26.00 0.00 0.00 0.00 0.00 0.00 6.50 94.00 441.00 711.50
1904 512.50 200.00 78.00 27.00 1.00 0.00 0.00 0.00 0.50 8.50 133.00 421.60 a 1382.10
1905 362.00 219.50 59.00 0.50 13.50 0.00 0.00 0.00 1.00 9.50 178.50 473.00 1316.50
1906 421.50 0.00 z 177.00 60.50 0.00 z 0.00 0.00 0.00 z 0.00 34.00 268.00 361.50 1322.50
1907 431.50 195.50 264.00 25.00 11.00 0.00 0.00 0.00 z 0.00 0.00 149.00 325.00 1401.00
1908 357.50 308.00 28.50 y 7.50 5.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 678.00
1909 0.00 z 309.00 0.00 z 12.00 10.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 518.00 849.00
1910 470.00 271.00 40.00 5.00 0.00 0.00 z 0.00 z 0.00 z 0.00 13.00 191.50 430.50 1421.00
1911 369.00 438.00 108.00 58.00 4.00 0.00 0.00 0.00 0.00 18.50 299.50 626.50 1921.50
1912 467.50 328.50 235.50 22.50 0.50 0.00 0.00 0.00 0.00 84.50 265.00 542.50 1946.50
1913 597.50 284.50 214.50 36.00 9.00 0.00 0.00 0.00 0.50 19.50 151.20 e 505.09 b 1817.79
1914 375.10 a 24.00 z 87.50 0.00 z 15.50 0.50 0.00 0.00 0.00 6.20 a 180.00 a 580.00 1244.80
1915 486.50 279.50 121.50 34.50 46.50 0.00 d 0.00 0.00 0.00 0.50 199.00 76.50 t 1168.00
1916 309.00 m 242.00 109.00 10.50 9.50 0.00 0.00 y 0.00 r 0.00 f 124.00 353.00 631.50 1479.50
1917 653.50 376.00 336.00 147.50 0.00 0.00 0.00 0.00 0.00 40.50 222.50 395.00 2171.00
1918 521.00 298.31 b 188.00 52.00 3.50 0.00 0.00 0.00 a 0.00 41.50 326.00 533.00 1963.31
1919 536.50 389.00 267.50 22.50 0.00 0.00 0.00 0.00 0.00 99.50 320.50 486.50 2122.00
1920 435.00 255.00 296.00 78.00 4.50 0.00 0.00 0.00 0.00 66.00 h 268.50 570.50 1907.50
1921 534.00 265.50 92.48 a 89.50 24.00 0.00 0.00 0.00 0.00 32.50 398.00 567.50 2003.48
1922 647.00 373.50 382.00 110.00 23.50 0.00 0.00 0.00 0.00 46.00 288.50 475.50 2346.00
1923 498.50 378.50 296.50 70.00 9.00 0.00 0.00 0.00 3.00 110.00 253.50 488.00 2107.00
1924 581.00 213.00 166.50 53.50 0.00 0.00 b 0.00 0.00 2.50 153.00 0.00 z 672.00 1841.50
1925 658.00 303.50 199.50 33.00 0.00 0.00 0.00 0.00 0.00 88.50 259.00 415.00 1956.50
1926 513.00 233.00 170.00 46.50 23.50 0.00 0.00 0.00 e 0.00 35.00 358.50 660.00 2039.50
1927 299.00 m 198.00 178.00 74.50 4.00 0.00 0.00 0.00 f 0.00 c 10.00 203.00 548.38 b 1215.88
1928 467.50 301.50 146.50 80.77 d 3.00 0.00 0.00 d 0.00 0.00 f 73.50 255.00 572.00 1899.77
1929 586.00 466.00 213.50 145.00 2.00 0.00 i 0.00 0.00 f 0.00 a 60.50 336.00 418.00 2227.00
1930 496.50 203.50 188.50 14.00 25.50 0.00 n 0.00 0.00 0.00 7.50 191.50 534.00 1661.00
1931 497.00 168.00 109.50 9.00 0.00 0.00 0.00 0.00 0.00 0.00 z 310.00 529.00 1622.50
1932 579.50 336.00 130.50 78.00 25.00 0.00 0.00 a 0.00 0.00 23.50 139.50 554.50 1866.50
1933 447.00 330.00 28.50 101.50 42.50 0.00 0.00 0.00 0.00 0.00 142.50 513.00 1605.00
1934 466.00 178.00 42.50 17.50 0.00 o 0.00 0.00 0.00 h 2.00 n 12.50 217.50 447.50 1381.50
1935 559.50 0.00 z 0.00 z 26.50 13.90 b 0.00 0.00 0.00 0.00 31.50 254.00 371.00 1256.40
1936 398.50 237.50 73.50 20.50 0.00 0.00 0.00 0.00 a 14.00 23.50 h 276.50 450.50 1471.00
1937 809.00 396.50 197.50 36.50 0.00 0.00 d 0.00 0.00 z 0.00 z 0.00 z 0.00 z 143.50 h 1439.50
1938 256.50 207.00 122.50 10.00 0.00 0.00 0.00 0.00 0.00 9.00 293.50 328.50 1227.00
1939 393.00 405.00 133.50 12.50 0.00 0.00 0.00 0.00 0.00 12.50 92.00 278.00 1326.50
1940 304.50 240.50 74.50 8.50 0.00 0.00 0.00 0.00 0.00 11.00 207.00 293.50 1139.50
1941 340.50 142.00 118.50 86.00 0.00 0.00 0.00 0.00 0.00 11.50 139.00 315.00 1152.50
1942 337.50 290.96 e 117.50 12.00 0.00 0.00 0.00 0.00 0.00 8.30 c 66.50 267.00 1099.76
1943 312.67 b 148.40 c 50.78 b 27.86 b 0.00 b 0.00 c 0.00 0.00 0.00 14.50 149.50 305.72 b 1009.43
1944 426.50 315.50 149.00 26.50 0.00 c 0.00 0.00 0.00 h 0.00 0.00 187.00 357.00 1461.50
1945 400.50 231.28 c 231.00 76.50 0.00 0.00 0.00 0.00 0.00 0.00 h 204.00 447.95 a 1591.23
1946 408.50 318.50 112.50 18.33 c 0.00 0.00 e 0.00 0.00 0.00 22.96 d 180.00 282.50 1343.30
1947 452.50 141.08 b 52.04 c 13.00 0.00 0.00 0.00 0.00 0.00 6.00 229.00 385.00 1278.61
1948 365.00 290.00 224.00 36.00 0.00 0.00 0.00 0.00 0.00 6.00 189.00 h 453.50 1374.50
1949 653.00 370.50 141.50 14.50 0.00 0.00 0.00 0.00 0.00 32.50 41.00 428.00 1681.00
1950 497.00 151.00 49.17 b 6.50 0.00 0.00 0.00 0.00 0.00 0.00 a 93.10 a 291.00 1087.78
1951 400.50 258.50 127.00 0.00 x 3.62 a 0.00 l 0.00 b 0.00 0.00 c 11.50 g 210.00 d 325.00 g 999.62
1952 366.00 g 193.50 i 108.50 o 10.00 i 0.00 c 0.00 f 0.00 e 0.00 j 0.00 n 0.00 c 102.50 m 286.50 i 0.00
1953 166.00 k 273.28 c 112.12 a 42.00 0.60 e 0.00 c 0.00 0.00 g 0.00 7.00 122.59 a 432.00 989.58
1954 390.50 79.00 161.50 6.00 0.00 0.00 0.00 0.00 0.00 9.00 37.50 382.00 1065.50
1955 449.00 342.50 115.00 31.50 3.00 0.00 0.00 h 0.00 z 0.00 0.00 139.50 285.50 1366.00
1956 259.00 363.50 94.00 23.50 0.00 0.00 0.00 0.00 0.00 18.50 194.00 361.50 1314.00
1957 366.50 87.00 38.50 14.00 0.00 0.00 0.00 0.00 e 0.00 3.50 221.00 330.00 1060.50
1958 329.50 130.00 166.00 38.00 0.00 0.00 0.00 0.00 0.00 2.00 142.50 251.00 1059.00
1959 307.50 254.00 30.00 0.00 1.50 0.00 0.00 0.00 0.00 17.00 91.00 327.50 1028.50
1960 462.00 298.50 54.50 12.00 0.00 0.00 0.00 0.00 0.00 0.00 149.50 409.00 1385.50
1961 313.50 140.00 74.50 4.50 0.00 0.00 0.00 0.00 0.00 13.50 189.50 394.00 1129.50
1962 365.50 209.50 207.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 62.50 279.00 1124.50
1963 457.00 75.00 110.00 44.50 0.00 0.00 0.00 0.00 0.00 0.00 116.50 384.00 1187.00
1964 445.50 292.50 164.00 47.50 17.00 0.00 0.00 0.00 0.00 0.00 226.50 326.50 1519.50
1965 304.00 196.50 132.00 65.00 0.00 0.00 0.00 0.00 0.00 0.00 92.50 351.00 1141.00
1966 453.50 316.00 78.00 2.00 0.00 0.00 0.00 0.00 0.00 1.50 100.50 375.50 1327.00
1967 405.50 179.50 80.50 92.50 4.00 0.00 0.00 0.00 0.00 0.00 50.00 456.00 1268.00
1968 373.50 103.00 52.00 16.00 0.00 0.00 0.00 0.00 0.00 0.00 95.00 498.50 1138.00
1969 258.50 271.50 166.50 3.00 3.50 0.00 0.00 0.00 0.00 16.00 150.00 382.50 1251.50
1970 488.50 184.00 150.00 49.00 0.00 0.00 0.00 0.00 0.00 18.50 111.00 422.00 1423.00
1971 395.00 194.50 125.00 28.00 4.00 0.00 0.00 0.00 0.00 80.00 177.00 427.00 1430.50
1972 467.50 205.07 a 17.50 7.00 0.00 0.00 0.00 0.00 0.00 27.00 244.50 470.00 1438.57
1973 469.00 241.50 218.00 21.00 0.50 0.00 0.00 a 0.00 0.00 1.50 194.50 339.50 1485.50
1974 425.00 264.00 91.50 11.00 0.00 0.00 0.00 0.00 0.00 11.50 117.00 412.00 1332.00
1975 411.00 286.00 174.50 102.50 5.50 0.00 0.00 0.00 0.00 17.00 173.50 320.50 1490.50
1976 339.50 153.00 122.00 48.00 0.00 0.00 0.00 0.00 0.00 3.50 91.00 385.50 1142.50
1977 367.50 168.50 183.00 28.00 1.50 0.00 0.00 0.00 a 0.00 0.00 62.50 205.50 1016.50
1978 306.00 176.00 66.00 14.50 0.00 0.00 0.00 0.00 0.00 0.00 173.50 495.50 1231.50
1979 499.50 285.50 126.50 17.50 0.50 0.00 0.00 0.00 0.00 6.50 198.00 311.00 1445.00
1980 256.50 129.50 111.50 29.00 1.50 0.00 0.00 0.00 0.00 5.00 120.50 174.00 827.50
1981 194.50 162.50 76.00 3.00 0.00 0.00 0.00 0.00 0.00 11.00 73.50 280.50 801.00
1982 382.00 156.00 103.00 17.00 0.00 0.00 0.00 0.00 0.00 7.00 154.00 411.00 1230.00
1983 329.50 175.00 90.50 59.50 1.50 0.00 0.00 0.00 0.00 0.00 125.00 269.00 1050.00
1984 283.00 203.00 37.50 16.50 0.00 0.00 0.00 0.00 0.00 26.00 186.50 408.00 1160.50
1985 399.00 298.50 131.50 1.50 0.00 0.00 0.00 0.00 0.00 0.00 201.50 349.00 1381.00
1986 194.00 155.50 52.50 1.00 0.50 0.00 0.00 0.00 2.00 0.50 86.00 369.50 861.50
1987 420.00 159.50 123.00 9.00 0.00 z 0.00 m 0.00 0.00 0.00 0.00 118.50 410.50 1240.50
1988 385.00 165.50 86.50 15.00 1.50 0.00 0.00 0.00 0.00 0.00 142.50 356.00 1152.00
1989 399.50 222.50 28.50 0.50 0.00 0.00 0.00 0.00 0.00 13.00 74.00 336.50 1074.50
1990 358.50 278.00 72.50 3.00 0.00 0.00 0.00 0.00 0.00 0.00 71.50 456.50 1240.00
1991 406.50 82.00 196.50 12.00 i 0.00 0.00 0.00 0.00 0.00 24.00 118.00 299.50 1126.50
1992 330.00 100.50 48.00 2.50 0.00 0.00 0.00 0.00 0.00 0.00 168.00 422.50 1071.50
1993 328.50 202.00 49.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 155.50 356.00 1091.00
1994 295.00 249.50 17.50 10.00 0.00 0.00 z 0.00 p 0.00 i 0.00 3.00 242.50 331.50 1149.00
1995 301.00 76.50 98.50 24.50 0.00 l 0.00 0.00 0.00 0.00 0.00 16.00 237.50 754.00
1996 263.50 108.00 40.00 0.00 0.00 0.00 0.00 0.00 0.00 z 52.50 65.50 283.50 813.00
1997 294.00 179.00 34.50 25.00 0.00 0.00 0.00 0.00 0.00 1.00 103.00 401.00 1037.50
1998 303.00 270.50 112.50 56.50 0.50 0.00 z 0.00 0.00 0.00 1.50 124.00 338.50 1207.00
1999 250.00 140.50 53.50 75.50 0.00 z 0.00 0.00 0.00 a 0.00 0.00 70.00 307.50 897.00
2000 225.00 111.50 53.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 389.50
2001 0.00 z 101.50 p 33.00 m 26.00 i 0.00 i 0.00 i 0.00 j 0.00 h 0.00 k 0.00 j 62.00 l 231.00 m 0.00
2002 213.50 l 117.50 i 52.50 k 0.00 i 0.00 j 0.00 k 0.00 o 0.00 k 0.00 i 0.00 i 28.00 l 232.50 i 0.00
2003 140.50 115.00 j 53.00 j 6.50 h 0.00 k 0.00 i 0.00 j 0.00 k 0.00 i 0.00 j 100.50 l 256.00 j 140.50
2004 208.50 k 169.50 h 21.50 h 0.00 h 0.00 o 0.00 h 0.00 j 0.00 h 0.00 j 13.50 i 106.50 j 200.00 i 0.00
2005 176.50 k 134.00 g 48.00 h 2.00 h 0.00 j 0.00 k 0.00 k 0.00 h 0.00 i 0.00 k 60.00 h 283.00 f 0.00
2006 299.27 e 148.75 d 145.24 d 6.92 d 0.00 f 0.00 d 0.00 e 0.00 d 0.00 f 0.00 c 41.00 f 351.73 e 951.91
2007 376.17 e 128.92 d 35.00 f 0.00 e 0.00 h 0.00 f 0.00 d 0.00 h 0.00 m 0.00 z 41.00 k 265.50 j 505.09
2008 318.50 f 151.00 g 56.50 k 1.00 h 6.00 m 0.00 k 0.00 g 0.00 h 0.00 i 0.00 j 43.50 249.00 i 43.50
2009 157.00 m 159.00 h 44.00 m 10.50 l 0.00 j 0.00 e 0.00 k 0.00 k 0.00 h 18.00 n 61.50 m 245.50 k 0.00
2010 174.00 o 117.00 k 65.00 o 32.50 k 0.00 r 0.00 l 0.00 u 0.00 q 0.00 n 2.50 n 86.00 o 131.50 q 0.00
2011 236.50 j 182.00 l 38.00 m 5.50 l 0.00 p 0.00 l 0.00 m 0.00 n 0.00 l 0.00 p 63.00 o 282.50 m 0.00
2012 136.00 r 107.00 m 46.00 o 5.00 k 0.00 l 0.00 h 0.00 l 0.00 r 0.00 r 130.00 k 295.00 k 205.00 o 0.00
2013 410.50 i 400.00 k 17.00 r 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 410.13 234.25 127.41 31.89 3.99 0.01 0.00 0.00 0.24 18.58 173.17 408.97 1367.17
S.D. 112.64 90.21 73.91 31.67 8.44 0.05 0.00 0.00 1.48 28.98 86.43 103.60 364.37
SKEW 0.54 0.42 0.88 1.46 3.00 9.80 0.00 0.00 8.48 2.49 0.65 0.38 0.96
MAX 809.00 485.00 382.00 147.50 46.50 0.50 0.00 0.00 14.00 153.00 454.50 672.00 2346.00
MIN 140.50 75.00 17.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16.00 174.00 801.00
NO YRS 101 103 102 104 101 99 100 89 97 98 100 101 64