WINDOW ROCK 4 SW, ARIZONA

Monthly Total Growing Degree Days

(029410)

Base Temperature = 50 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199909
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
1937 0.00 z 0.00 z 0.00 q 22.22 c 219.50 h 444.00 611.73 a 624.50 402.50 101.50 0.00 0.00 2206.46
1938 0.00 0.00 0.00 47.50 133.00 436.50 559.50 546.00 313.00 78.50 0.00 z 0.00 2114.00
1939 0.00 0.00 0.00 55.00 172.00 411.00 632.50 602.50 360.00 12.29 b 0.00 0.00 2245.29
1940 0.00 a 0.00 c 0.00 28.97 a 215.50 491.00 629.50 542.00 293.50 67.50 0.00 0.00 2267.97
1941 0.00 0.00 0.00 a 1.00 155.00 273.50 522.00 496.00 239.00 27.50 0.00 0.00 1714.00
1942 0.00 0.00 0.00 a 2.50 127.50 355.50 662.50 529.50 326.54 d 62.53 b 4.00 0.00 2070.57
1943 0.00 0.00 2.00 70.00 181.50 427.24 a 626.50 547.50 305.69 a 51.50 0.00 0.00 2211.93
1944 0.00 0.00 0.00 0.00 96.00 293.50 512.00 518.00 264.00 49.00 1.00 0.00 1733.50
1945 0.00 0.00 0.00 14.50 f 141.50 308.00 584.00 588.50 287.00 73.50 0.00 0.00 1982.50
1946 0.00 0.00 0.00 74.50 130.50 488.00 646.00 531.00 357.00 37.00 0.00 0.00 2264.00
1947 0.00 0.00 0.00 15.00 206.50 363.00 653.50 566.50 407.00 111.00 0.00 0.00 2322.50
1948 0.00 o 0.00 i 0.00 29.00 142.50 377.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 549.00
1949 0.00 z 0.00 z 0.00 z 0.00 z 132.50 380.50 577.00 514.50 338.00 67.00 0.00 0.00 2009.50
1950 0.00 0.00 1.50 29.00 101.50 405.50 566.00 507.50 220.00 172.00 0.00 0.00 2003.00
1951 0.00 0.00 0.50 24.50 195.50 341.50 698.50 546.50 319.50 58.50 0.00 0.00 2185.00
1952 0.00 0.00 0.00 7.50 114.00 405.50 591.00 568.50 326.00 81.00 0.00 0.00 2093.50
1953 0.00 0.00 3.00 24.00 96.00 438.00 658.00 533.50 362.07 a 78.50 0.00 0.00 2193.07
1954 0.00 0.00 0.00 58.00 231.00 414.50 649.50 516.00 365.00 135.50 0.00 0.00 2369.50
1955 0.00 0.00 0.00 10.50 133.50 330.00 539.50 559.50 350.50 115.00 0.00 0.00 2038.50
1956 0.00 0.00 0.00 a 15.50 217.50 513.00 579.00 479.00 411.50 98.54 c 0.00 0.00 a 2314.04
1957 0.00 0.00 0.00 4.50 72.00 538.97 a 559.50 512.50 278.28 a 55.50 0.00 0.00 2021.24
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 0.00 0.00 0.00 59.50 148.80 a 509.50 654.50 508.00 319.50 49.00 0.00 0.00 2248.80
1960 0.00 0.00 2.50 48.00 169.95 c 476.00 684.50 584.00 376.00 50.00 3.50 0.00 2394.45
1961 0.00 0.00 2.00 28.50 162.00 486.00 638.50 554.50 240.00 51.00 0.00 0.00 2162.50
1962 0.00 0.00 0.00 55.00 128.00 360.50 581.50 577.00 373.50 59.00 3.00 0.00 2137.50
1963 0.00 0.00 1.50 15.50 230.50 375.50 671.00 527.50 431.00 155.00 0.00 a 0.00 2407.50
1964 0.00 0.00 0.00 3.50 2.50 s 318.00 651.50 492.00 280.50 88.00 0.00 0.00 1833.50
1965 0.00 0.00 0.00 21.50 96.00 246.00 521.00 525.00 255.00 108.50 1.00 0.00 1774.00
1966 0.00 0.00 0.00 38.00 238.00 426.50 682.50 591.00 327.00 68.00 0.00 0.00 2371.00
1967 0.00 0.00 15.00 14.50 175.00 329.00 639.00 511.50 243.00 77.00 0.00 0.00 2004.00
1968 0.00 0.00 0.00 5.50 116.00 423.00 615.50 410.50 233.00 48.00 0.00 0.00 1851.50
1969 0.00 0.00 0.00 24.50 195.50 359.00 610.00 598.00 337.50 46.00 0.00 0.00 2170.50
1970 0.00 0.00 0.00 3.50 182.50 372.00 0.00 z 574.50 242.00 11.50 0.00 0.00 1386.00
1971 0.00 0.00 4.00 10.50 97.50 428.00 658.23 a 545.50 274.00 45.50 0.00 0.00 2063.23
1972 0.00 0.00 2.50 45.00 126.00 397.50 415.50 k 426.00 f 297.00 103.00 0.00 0.00 971.00
1973 0.00 0.00 a 0.00 7.00 136.00 366.50 558.50 509.78 d 250.00 46.50 0.00 0.00 1874.28
1974 0.00 0.00 1.50 9.00 203.00 543.10 a 598.00 0.00 z 273.50 62.00 0.00 0.00 1690.10
1975 0.00 0.00 0.00 1.50 79.50 310.00 576.50 445.50 209.48 a 27.50 0.00 a 0.00 1649.98
1976 0.00 0.00 0.00 6.50 133.30 a 380.00 592.50 536.50 270.50 19.00 0.50 0.00 z 1938.80
1977 0.00 0.00 0.00 47.50 0.00 z 478.50 603.50 575.57 a 341.50 57.00 2.00 0.00 2105.57
1978 0.00 0.00 1.50 11.90 a 124.52 a 494.00 631.50 518.98 b 285.56 c 78.00 t 0.00 0.00 2067.95
1979 0.00 0.00 0.00 16.00 125.60 b 330.52 a 349.00 181.00 o 225.00 c 16.50 m 0.00 0.00 1046.12
1980 0.00 0.00 0.00 20.00 52.50 292.50 l 703.50 341.50 l 246.00 k 0.00 z 2.88 d 0.00 a 778.88
1981 0.00 0.00 a 0.00 33.75 b 98.50 f 496.50 f 441.00 j 370.00 h 0.00 z 0.00 z 0.00 m 0.00 33.75
1982 0.00 0.00 0.00 43.00 134.00 348.50 606.50 569.50 343.50 27.50 0.00 0.00 2072.50
1983 0.00 0.00 0.00 0.00 r 160.00 364.50 564.50 557.00 410.50 65.50 0.00 0.00 2122.00
1984 0.00 0.00 1.00 15.00 360.50 423.50 624.50 549.00 356.50 32.50 1.00 0.00 2363.50
1985 0.00 0.00 1.00 70.50 208.50 500.00 625.00 599.50 214.00 55.50 4.00 0.00 2278.00
1986 0.00 1.00 2.00 34.50 208.00 486.00 580.50 588.00 239.50 17.00 0.00 0.00 2156.50
1987 0.00 0.00 0.00 67.50 115.50 512.00 586.00 542.50 325.00 144.50 0.00 0.00 2293.00
1988 0.00 0.00 10.00 50.50 226.50 484.50 645.50 559.00 316.50 174.00 28.00 0.00 2494.50
1989 0.00 0.00 36.50 174.00 286.00 511.00 673.50 566.00 390.50 100.00 0.00 0.00 2737.50
1990 0.00 0.00 25.50 84.00 226.50 597.00 628.00 526.00 386.50 96.00 1.50 0.00 2571.00
1991 0.00 0.00 0.00 15.00 139.50 350.50 565.50 540.00 344.00 164.50 0.50 0.00 2119.50
1992 0.00 0.00 0.00 96.00 182.00 391.00 539.50 495.00 332.00 96.00 0.00 0.00 2131.50
1993 0.00 a 0.00 0.00 35.50 168.00 418.50 651.00 500.50 261.50 73.37 a 0.00 0.00 2108.37
1994 0.00 0.00 0.00 61.00 180.50 577.50 670.50 629.50 340.00 35.50 0.00 k 0.00 2494.50
1995 0.00 0.00 1.00 38.00 105.00 344.00 597.00 612.50 157.50 m 14.50 m 0.00 0.00 1697.50
1996 0.00 2.50 0.00 j 58.00 362.50 485.00 642.50 543.50 236.50 106.95 a 0.00 0.00 b 2437.45
1997 0.00 z 0.00 9.00 26.00 225.00 421.50 528.00 530.50 391.55 a 82.00 0.00 0.00 2213.55
1998 0.00 z 0.00 5.00 2.07 a 148.00 376.50 616.00 569.50 395.00 0.00 z 0.00 0.00 a 2112.07
1999 0.00 0.00 a 1.00 l 21.50 j 97.00 q 129.00 p 309.50 l 160.00 v 147.50 q 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.06 2.22 33.03 164.06 414.18 607.41 543.50 313.92 73.62 0.93 0.00 2162.07
S.D. 0.00 0.35 6.20 30.33 61.50 77.25 58.75 41.69 59.34 40.16 3.79 0.00 230.33
SKEW 0.00 6.31 4.12 1.97 1.11 0.20 -1.49 -0.44 0.02 0.79 6.56 0.00 -0.14
MAX 0.00 2.50 36.50 174.00 362.50 597.00 703.50 629.50 431.00 174.00 28.00 0.00 2737.50
MIN 0.00 0.00 0.00 0.00 52.50 246.00 349.00 410.50 209.48 11.50 0.00 0.00 1649.98
NO YRS 57 59 58 58 57 59 57 55 57 54 57 59 40