SANTA RITA EXP RANGE, ARIZONA

Monthly Total Heating Degree Days

(027593)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201006
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
1950 0.00 z 0.00 z 0.00 z 0.00 z 31.00 0.00 0.00 0.00 0.00 0.00 97.50 246.50 375.00
1951 531.00 433.00 323.50 156.50 61.00 0.00 0.00 0.00 0.00 44.50 296.00 485.00 2330.50
1952 476.00 480.50 537.50 162.50 9.50 0.50 0.00 0.00 0.00 0.00 377.00 555.50 2599.00
1953 360.00 434.00 268.00 147.00 108.00 0.00 0.00 0.00 0.00 z 58.00 183.00 545.50 2103.50
1954 409.50 201.50 319.00 29.00 15.50 g 0.00 0.00 0.00 0.00 24.50 149.50 387.00 1520.00
1955 658.50 509.00 276.00 110.50 39.00 2.59 a 0.00 0.00 0.00 8.00 272.00 340.00 2215.59
1956 345.50 570.68 a 195.50 f 100.00 i 8.02 b 0.00 0.00 0.00 0.00 l 56.32 a 294.00 455.50 1730.01
1957 476.00 224.54 b 315.34 b 137.50 71.30 a 0.00 0.00 0.00 j 0.00 d 60.00 i 166.00 s 217.50 n 1224.68
1958 291.50 m 247.00 j 287.00 k 190.80 e 13.50 h 0.00 0.00 0.00 a 3.33 c 48.88 e 188.50 i 50.00 t 243.02
1959 386.35 d 416.64 c 171.00 k 55.00 c 38.20 c 0.00 0.00 0.00 a 0.00 71.00 287.50 495.50 1750.19
1960 647.50 567.00 182.00 103.50 28.93 a 0.00 b 0.00 0.00 0.00 83.50 208.50 0.00 z 1820.93
1961 431.50 389.50 287.00 86.90 a 25.00 0.00 0.00 b 0.00 0.00 100.50 409.00 550.80 c 2280.20
1962 587.00 372.81 a 479.47 a 50.00 42.50 2.00 0.00 0.00 a 0.00 25.50 199.50 459.50 2218.28
1963 603.00 291.00 318.00 174.00 0.52 a 0.00 0.00 0.00 0.00 21.04 c 297.50 475.00 2180.05
1964 400.00 i 579.50 442.00 223.50 69.00 0.00 0.00 0.00 6.00 35.50 387.50 442.00 2185.00
1965 438.00 443.50 398.50 175.00 57.50 5.00 0.00 0.00 13.00 33.50 155.50 496.00 2215.50
1966 608.00 543.50 222.50 62.50 12.00 0.00 0.00 0.00 0.00 42.50 182.50 447.50 2121.00
1967 448.50 305.93 a 192.00 191.50 36.50 0.00 a 0.00 0.00 b 0.00 22.00 176.50 612.00 1984.93
1968 509.50 312.00 349.00 228.50 31.00 3.50 0.00 0.00 0.00 18.00 341.00 348.00 i 1792.50
1969 332.00 h 334.00 f 264.50 h 48.00 g 76.00 f 0.00 0.00 0.00 0.00 c 130.00 324.00 385.00 f 454.00
1970 502.09 c 345.50 445.00 242.50 14.00 0.00 0.00 0.00 12.50 120.50 0.00 z 264.00 j 1682.09
1971 472.20 c 416.00 254.00 179.00 43.50 3.00 0.00 0.00 f 1.00 177.00 362.50 552.50 f 1908.20
1972 480.50 b 294.14 a 97.81 b 88.00 5.00 0.00 0.00 0.00 i 0.00 126.38 e 460.00 367.00 k 1551.84
1973 587.40 b 457.33 a 533.00 166.50 f 36.00 0.00 0.00 0.00 0.00 j 32.00 f 294.00 295.00 g 1907.73
1974 538.50 419.50 256.50 78.50 18.00 0.00 0.00 0.00 0.00 76.00 315.00 599.00 2301.00
1975 481.00 459.50 371.50 249.50 44.00 0.00 0.00 0.00 0.00 40.00 225.50 66.00 z 1871.00
1976 457.00 330.00 334.50 199.80 e 0.00 z 0.00 i 1.55 a 0.00 b 3.50 f 127.44 d 342.22 c 572.98 a 2365.50
1977 626.00 342.00 477.00 189.50 86.00 0.00 0.00 f 0.00 b 0.00 44.50 247.00 366.00 2378.00
1978 341.50 i 426.00 229.00 125.50 50.00 0.00 0.00 0.00 0.00 90.00 325.00 621.00 1866.50
1979 657.50 422.50 362.00 43.50 u 28.00 0.00 0.00 2.00 p 4.00 j 48.50 393.50 387.50 2299.50
1980 468.62 a 281.50 360.00 155.50 48.00 0.00 0.00 l 0.00 c 0.00 e 0.00 z 332.00 358.22 d 2003.84
1981 301.50 j 235.20 c 330.00 38.00 f 8.50 0.00 c 0.00 0.00 s 0.00 z 85.00 k 65.00 k 181.50 o 573.70
1982 261.50 n 0.00 z 0.00 z 0.00 z 92.50 k 0.00 o 0.00 0.00 3.00 f 29.50 q 72.50 y 0.00 z 0.00
1983 545.37 d 298.50 k 438.50 328.50 50.00 0.00 e 0.00 0.00 2.00 66.43 c 385.50 466.50 2282.80
1984 547.50 406.00 238.50 180.00 9.00 0.00 0.00 0.00 0.00 153.00 346.50 563.50 2444.00
1985 616.00 464.59 a 328.50 105.00 12.50 2.00 0.00 0.00 8.50 59.93 a 322.50 428.50 2348.03
1986 305.50 351.00 203.00 67.00 19.50 0.00 0.00 0.00 17.00 60.00 259.00 521.00 1803.00
1987 551.50 437.50 381.00 66.50 27.00 0.00 0.00 0.00 0.00 3.00 304.00 579.50 2350.00
1988 526.50 317.00 298.00 163.00 66.00 0.00 0.00 0.00 0.00 6.50 303.00 531.00 2211.00
1989 584.50 310.50 143.00 26.50 29.50 0.00 0.00 0.00 0.00 69.00 219.50 467.00 1849.50
1990 521.50 507.00 278.00 89.00 23.50 0.00 0.00 j 2.50 0.00 37.50 267.00 574.50 2300.50
1991 575.00 282.50 473.00 164.00 31.00 12.00 0.00 0.00 0.00 89.00 314.50 557.00 2498.00
1992 600.50 403.50 351.00 97.00 17.50 0.00 0.00 0.00 0.00 10.00 393.50 557.50 2430.50
1993 490.50 456.50 277.50 94.00 1.50 6.00 0.00 0.00 0.00 66.00 335.50 467.50 2195.00
1994 434.50 428.50 258.50 112.50 21.50 0.00 0.00 0.00 0.00 68.50 375.00 497.50 2196.50
1995 530.50 253.50 269.00 172.50 48.50 0.00 0.00 0.00 0.00 11.50 135.50 407.50 1828.50
1996 396.50 278.50 231.00 80.50 5.00 0.00 0.00 0.00 0.00 138.50 228.50 423.50 1782.00
1997 514.00 391.50 143.50 152.50 0.00 0.00 0.00 0.00 0.00 92.00 226.50 624.50 2144.50
1998 465.00 525.00 356.50 243.50 30.50 0.00 0.00 0.00 0.00 44.50 201.50 488.50 2355.00
1999 383.00 277.50 198.00 230.50 25.50 2.50 0.00 0.00 0.00 18.00 113.00 481.00 1729.00
2000 340.50 270.00 286.00 46.50 3.50 0.00 0.00 0.00 0.00 139.00 494.50 377.00 1957.00
2001 621.50 445.00 301.50 172.00 19.63 a 0.00 0.00 0.00 0.00 11.50 190.50 558.00 2319.63
2002 483.50 322.00 293.50 38.00 7.00 0.00 0.00 0.00 0.00 89.00 175.50 555.50 1964.00
2003 268.50 398.00 288.30 a 132.00 21.50 0.00 0.00 0.00 f 1.50 5.50 271.00 409.00 1795.30
2004 509.12 e 516.00 138.00 150.50 0.00 0.00 0.00 0.00 0.00 82.00 396.50 478.50 2270.62
2005 434.00 422.00 339.50 107.50 14.00 0.00 z 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 1317.00
2006 354.00 0.00 z 341.50 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 695.50
2007 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 m 29.45 a 131.90 a 382.00 i 161.35
2008 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 190.50 0.00 z 190.50
2009 0.00 z 0.00 z 0.00 z 0.00 z 0.50 0.00 z 0.00 0.00 z 0.00 62.00 0.00 z 0.00 z 62.50
2010 452.50 0.00 z 348.50 179.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 980.50
Period of Record Statistics
MEAN 494.87 391.52 310.84 139.81 29.50 0.74 0.03 0.05 1.30 59.33 279.15 486.33 2176.61
S.D. 94.13 95.79 98.67 66.38 23.52 2.05 0.21 0.35 3.66 43.99 92.38 84.37 227.79
SKEW -0.25 0.03 0.23 0.34 1.07 3.79 7.14 6.86 3.06 0.72 0.02 -0.49 -0.42
MAX 658.50 579.50 537.50 328.50 108.00 12.00 1.55 2.50 17.00 177.00 494.50 624.50 2599.00
MIN 268.50 201.50 97.81 26.50 0.00 0.00 0.00 0.00 0.00 0.00 97.50 246.50 1729.00
NO YRS 51 51 52 50 52 53 54 50 50 52 52 43 29