YUCCA 1 NNE, ARIZONA

Monthly Total Heating Degree Days

(029645)

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
1950 10.00 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
1951 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
1952 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
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 k 0.00 b 0.00 j 0.00 56.32 a 203.28 a 519.00 778.59
1954 497.00 148.50 249.00 h 21.96 b 9.19 d 0.00 g 0.00 a 0.00 0.00 19.50 126.50 446.18 c 1268.83
1955 586.50 482.50 259.50 109.04 d 29.28 d 0.00 b 0.00 d 0.00 0.00 0.50 254.42 d 279.50 l 1721.74
1956 366.00 492.50 228.00 89.50 0.50 0.00 c 0.00 0.00 0.00 69.00 237.50 i 398.00 1643.50
1957 0.00 z 64.00 q 182.90 a 72.00 24.00 0.00 0.00 0.00 0.00 57.00 383.50 418.00 1137.40
1958 464.50 300.00 386.50 161.50 2.58 a 0.00 0.00 0.00 0.00 25.50 269.00 363.00 1972.58
1959 463.00 429.00 184.50 12.50 12.00 0.00 0.00 0.00 0.00 55.00 223.50 469.50 1849.00
1960 659.50 515.00 167.50 67.50 8.00 0.00 0.00 0.00 0.00 37.00 277.50 521.00 2253.00
1961 471.50 324.50 271.50 72.00 7.00 0.00 0.00 0.00 0.00 94.50 323.00 558.00 2122.00
1962 521.00 371.50 401.50 11.00 37.00 1.50 0.00 0.00 0.00 11.50 152.50 424.00 1931.50
1963 610.00 199.50 309.00 177.50 6.50 0.00 0.00 0.00 0.00 11.00 256.00 524.50 2094.00
1964 619.50 519.00 375.00 152.00 71.50 0.00 0.00 0.00 0.00 3.50 389.00 519.50 2649.00
1965 0.00 z 382.00 335.00 211.00 59.93 a 0.00 0.00 0.00 15.50 22.00 217.50 545.00 1787.93
1966 623.50 517.50 244.00 68.50 0.00 0.00 0.00 0.00 0.00 32.50 245.50 496.00 2227.50
1967 504.50 326.08 d 203.50 258.00 28.00 0.00 0.00 0.00 0.00 8.50 163.50 640.50 2132.58
1968 509.00 238.00 220.00 120.00 22.50 0.00 0.00 0.00 0.00 14.00 240.00 643.50 2007.00
1969 404.50 421.50 344.10 a 69.50 20.50 0.00 0.00 0.00 0.00 b 72.00 199.14 a 446.50 1977.74
1970 535.50 260.81 a 273.50 174.00 6.50 0.00 0.00 0.00 0.00 58.50 212.50 537.00 2058.31
1971 500.50 354.50 257.30 a 108.50 32.50 0.00 0.00 0.00 0.00 171.00 293.00 585.50 2302.80
1972 555.86 b 319.54 b 78.00 70.96 d 10.16 b 0.00 b 0.00 a 0.00 a 0.00 124.50 415.00 649.00 2223.02
1973 668.50 413.50 493.00 217.22 c 21.18 a 0.00 a 0.00 c 0.00 c 0.00 44.95 a 348.00 493.00 2699.36
1974 644.80 a 430.50 247.00 114.31 a 7.75 c 0.00 a 0.00 b 0.00 0.00 a 55.80 a 287.68 b 642.98 b 2430.82
1975 573.50 e 474.50 435.79 e 303.50 64.38 e 0.00 d 0.00 a 0.00 a 0.00 80.00 361.50 507.88 a 2801.06
1976 494.28 d 335.50 373.19 e 200.89 b 5.00 0.00 0.00 g 0.00 0.58 d 63.19 e 277.76 a 588.50 2338.89
1977 574.02 a 343.26 a 457.50 87.50 76.98 a 0.00 c 0.00 0.00 b 0.00 a 7.23 a 206.38 a 374.77 c 2127.64
1978 522.19 b 384.00 198.00 150.54 b 40.62 b 0.00 0.00 a 0.00 8.28 a 16.02 a 343.00 707.32 a 2369.96
1979 733.50 472.50 345.50 135.54 b 23.25 a 0.54 b 0.00 0.00 a 0.00 46.00 376.50 470.68 a 2604.00
1980 411.00 320.00 389.10 b 138.00 39.00 0.50 0.00 0.00 0.00 96.50 241.50 333.00 1968.60
1981 420.05 a 339.63 a 294.50 48.00 3.00 0.00 0.00 0.00 0.00 76.00 202.00 469.50 1852.68
1982 568.00 351.50 305.50 104.50 12.00 0.00 0.00 0.00 9.50 51.50 340.00 608.50 2351.00
1983 496.00 355.50 294.00 205.00 28.50 0.00 0.00 0.00 0.00 6.00 261.00 465.00 2111.00
1984 447.00 404.50 212.87 a 145.00 1.50 0.00 0.00 0.00 0.00 131.50 338.50 571.00 2251.87
1985 618.00 444.50 339.50 44.00 5.50 0.00 0.00 0.00 4.00 31.00 381.00 487.00 2354.50
1986 371.00 321.00 191.50 97.50 17.00 0.00 0.00 0.00 17.50 73.50 272.00 556.00 1917.00
1987 606.50 388.50 364.00 60.50 8.50 0.00 0.00 0.00 0.00 17.50 327.50 700.00 2473.00
1988 581.00 348.00 300.00 103.00 39.00 0.00 0.00 0.00 0.00 0.00 266.38 a 505.50 2142.88
1989 488.00 341.00 114.50 15.00 8.50 0.00 0.00 0.00 0.00 51.50 144.00 435.00 1597.50
1990 529.50 383.70 a 187.00 23.50 4.00 0.00 0.00 0.00 0.00 7.00 217.00 453.50 f 1351.70
1991 532.00 171.00 396.00 93.50 27.50 0.00 0.00 0.00 0.00 79.00 248.00 476.00 2023.00
1992 469.50 261.50 240.00 26.00 0.00 0.00 0.00 0.00 0.00 6.50 311.00 576.50 1891.00
1993 493.50 410.50 188.00 59.00 4.00 2.50 0.00 0.00 0.00 23.50 315.50 475.50 1972.00
1994 431.00 399.50 114.70 a 63.10 a 7.00 0.00 0.00 0.00 0.00 48.00 421.50 476.00 1960.80
1995 507.50 209.50 272.50 151.50 27.00 0.00 0.00 0.00 0.00 7.00 59.50 363.00 1597.50
1996 387.00 244.95 a 172.50 19.00 10.50 0.00 0.00 0.00 0.00 103.50 162.50 388.50 1488.45
1997 416.95 a 334.00 86.50 i 0.00 z 0.00 k 0.00 0.00 0.00 0.00 50.00 206.50 522.50 1529.95
1998 437.00 408.00 262.00 184.00 14.50 0.00 0.00 0.00 0.00 30.00 241.50 460.00 2037.00
1999 362.00 290.00 176.00 189.00 21.00 3.00 0.00 0.00 0.00 3.00 125.50 409.50 1579.00
2000 358.50 258.50 170.50 12.50 0.00 0.00 0.00 0.00 0.00 66.50 371.50 377.50 1615.50
2001 505.00 383.00 179.50 113.00 3.50 0.00 0.00 0.00 0.00 0.00 182.50 567.50 1934.00
2002 486.00 289.50 255.00 29.50 4.00 0.00 0.00 z 0.00 0.00 40.00 145.50 490.50 1740.00
2003 242.50 342.00 219.00 106.00 12.50 0.00 0.00 0.00 0.00 3.00 353.00 494.00 1772.00
2004 470.00 455.00 72.50 43.00 0.00 0.00 0.00 0.00 0.00 99.50 377.50 488.00 2005.50
2005 470.00 380.50 295.00 116.00 13.00 0.00 0.00 0.00 0.00 20.00 180.50 302.00 n 1475.00
2006 467.87 d 279.50 431.62 e 74.50 2.00 0.00 h 0.00 h 0.00 0.00 e 22.50 162.00 506.50 1946.49
2007 567.50 277.50 147.52 b 46.00 1.50 0.00 k 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1040.02
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 0.00 z 0.00 z 0.00
2009 0.00 z 0.00 z 0.00 z 128.50 0.00 0.00 0.00 0.00 0.00 66.50 191.50 587.50 974.00
2010 453.00 347.50 303.50 155.00 42.00 0.00 0.00 0.00 0.00 38.00 293.00 370.00 2002.00
2011 463.50 441.00 192.00 72.00 37.50 0.00 0.00 0.00 0.00 24.50 275.00 556.50 2062.00
2012 417.50 322.50 211.50 73.00 2.00 h 0.00 0.00 0.00 0.00 15.00 153.00 464.00 1656.50
2013 555.33 b 413.78 a 123.45 c 4.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 23.50 z 1092.55
Period of Record Statistics
MEAN 502.35 357.42 262.26 104.82 18.23 0.15 0.00 0.00 0.95 43.87 259.87 503.07 2086.20
S.D. 90.76 85.69 97.94 66.03 18.75 0.56 0.00 0.00 3.43 37.12 84.17 86.77 299.02
SKEW -0.02 -0.20 0.28 0.71 1.40 4.15 0.00 0.00 3.79 1.09 0.00 0.27 0.29
MAX 733.50 519.00 493.00 303.50 76.98 3.00 0.00 0.00 17.50 171.00 421.50 707.32 2801.06
MIN 242.50 148.50 72.50 11.00 0.00 0.00 0.00 0.00 0.00 0.00 59.50 333.00 1488.45
NO YRS 56 57 56 57 56 55 56 57 58 58 57 55 44