NEEDLES FAA AIRPORT, CALIFORNIA

Monthly Total Heating Degree Days

(046118)

Base Temperature = 65 F

File last updated on Apr 4, 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 16.50 260.56 c 500.00 777.06
1949 765.50 432.00 152.50 21.50 0.00 0.00 0.00 0.00 0.00 55.00 29.50 458.50 1914.50
1950 532.00 174.50 89.00 7.50 1.50 0.00 0.00 0.00 0.00 0.00 106.00 216.00 1126.50
1951 426.00 266.00 a 135.50 24.00 18.00 0.00 0.00 0.00 0.00 17.50 208.00 509.00 1604.00
1952 505.50 291.00 291.00 12.50 0.00 0.00 0.00 0.00 0.00 0.00 275.50 416.00 1791.50
1953 236.50 279.00 107.00 40.50 1.50 0.00 0.00 0.00 0.00 18.50 134.50 416.50 1234.00
1954 419.50 79.00 206.00 2.50 0.00 0.00 0.00 0.00 0.00 12.50 51.00 396.00 1166.50
1955 527.50 380.00 127.50 41.00 j 7.50 0.00 0.00 0.00 0.00 0.00 149.50 297.08 a 1489.08
1956 287.00 388.50 120.00 41.50 0.00 0.00 0.00 0.00 0.00 30.00 204.00 330.00 1401.00
1957 422.50 120.50 87.50 32.00 0.00 0.00 0.00 0.00 0.00 14.00 267.00 339.00 1282.50
1958 348.50 179.50 242.50 64.00 0.00 0.00 0.00 0.00 0.00 4.00 164.00 245.50 1248.00
1959 355.00 294.50 53.50 0.00 0.00 0.00 0.00 0.00 0.00 26.00 116.50 351.50 1197.00
1960 538.00 378.50 70.50 15.50 0.00 0.00 0.00 0.00 0.00 2.00 166.50 395.50 1566.50
1961 332.00 187.00 106.00 8.50 0.00 0.00 a 0.00 0.00 0.00 45.00 222.50 441.00 1342.00
1962 390.00 236.50 240.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 73.00 299.50 1239.50
1963 480.00 98.00 116.00 58.50 0.00 0.00 0.00 0.00 z 0.00 2.00 121.50 384.00 1260.00
1964 483.00 358.00 203.50 59.00 31.50 0.00 0.00 z 0.00 0.00 0.00 233.00 363.00 1731.00
1965 327.50 230.50 180.00 125.00 3.00 0.00 0.00 0.00 0.00 6.00 124.50 411.50 1408.00
1966 494.00 357.50 102.00 7.50 0.00 0.00 0.00 0.00 0.00 3.50 117.00 354.00 1435.50
1967 365.00 182.50 81.50 93.50 3.00 0.00 0.00 0.00 0.00 0.00 79.50 486.50 1291.50
1968 362.00 101.00 66.50 15.00 0.00 0.00 0.00 0.00 0.00 0.00 102.50 523.00 1170.00
1969 282.50 288.50 188.00 5.50 3.00 0.00 0.00 0.00 0.00 6.00 89.00 307.50 1170.00
1970 407.00 129.00 116.00 66.50 0.00 0.00 0.00 0.00 0.00 23.00 105.50 437.50 1284.50
1971 388.50 216.50 125.00 26.00 7.00 0.00 0.00 0.00 0.00 104.50 193.00 491.00 1551.50
1972 469.00 167.50 27.00 25.50 0.00 0.00 0.00 0.00 0.00 45.00 245.50 487.50 1467.00
1973 504.50 267.00 272.00 40.00 2.00 0.00 0.00 0.00 0.00 2.50 195.00 323.50 1606.50
1974 482.00 240.00 94.50 7.00 1.00 0.00 0.00 0.00 0.00 19.50 111.00 467.50 1422.50
1975 417.50 290.00 193.00 98.00 7.50 0.00 0.00 0.00 0.00 18.50 177.50 308.50 1510.50
1976 322.50 165.00 153.50 61.50 0.00 0.00 0.00 0.00 0.00 8.00 119.00 393.50 1223.00
1977 397.50 146.50 209.00 27.00 2.50 0.00 0.00 0.00 0.00 0.00 w 68.50 238.00 1089.00
1978 364.50 204.00 89.90 a 32.00 1.50 0.00 0.00 0.00 0.00 0.00 210.00 529.50 1431.40
1979 573.00 315.00 144.50 27.50 2.21 c 0.00 0.00 0.00 0.00 10.50 143.04 b 219.00 i 1215.75
1980 282.74 b 146.00 141.00 36.00 2.00 0.00 a 0.00 a 0.00 f 0.00 z 14.97 b 126.00 169.00 917.71
1981 229.50 176.00 90.00 4.00 0.00 e 0.00 0.00 0.00 0.00 15.00 68.79 a 270.14 c 853.44
1982 391.00 188.50 115.00 22.76 a 0.00 0.00 0.00 0.00 0.00 9.50 184.50 429.50 1340.76
1983 319.00 206.50 107.00 61.00 4.00 0.00 0.00 0.00 0.00 0.00 145.50 314.00 1157.00
1984 302.00 192.50 43.00 23.00 0.00 0.00 0.00 0.00 0.00 25.00 179.50 424.50 1189.50
1985 402.00 264.00 118.00 0.50 0.00 0.00 0.00 0.00 1.50 1.00 216.50 314.00 1317.50
1986 190.50 158.00 67.50 1.00 0.00 0.00 0.00 0.00 0.00 k 1.50 l 76.50 266.50 i 493.50
1987 304.00 j 195.00 106.50 j 14.00 j 0.00 0.00 i 0.00 k 0.00 k 0.00 0.00 140.00 320.50 j 335.00
1988 400.50 180.00 80.50 39.00 6.50 0.00 0.00 0.00 0.00 0.00 155.50 346.50 1208.50
1989 411.50 234.00 32.00 1.00 2.00 0.00 0.00 0.00 0.00 18.00 51.50 333.00 1083.00
1990 390.50 267.00 72.50 4.00 0.00 0.00 0.00 0.00 0.00 0.50 101.50 505.00 1341.00
1991 410.50 78.50 222.00 0.00 z 0.00 0.00 0.00 0.00 0.00 28.50 137.50 367.00 1244.00
1992 374.00 143.00 79.00 4.00 0.00 0.00 0.00 0.00 0.00 0.00 190.50 490.00 1280.50
1993 395.00 252.00 66.50 0.50 0.00 0.00 0.00 0.00 0.00 2.50 221.50 372.50 1310.50
1994 285.00 285.00 21.00 11.00 0.00 0.00 0.00 0.00 0.00 10.50 280.50 332.00 1225.00
1995 341.00 63.50 104.00 25.50 4.00 0.00 0.00 0.00 0.00 0.50 15.50 285.50 839.50
1996 254.50 125.50 34.00 0.00 2.00 0.00 0.00 0.00 0.00 52.50 72.00 300.00 840.50
1997 285.50 173.00 38.50 34.50 0.00 0.00 0.00 0.00 0.00 10.00 100.50 378.50 1020.50
1998 301.50 277.50 114.00 76.00 2.00 0.00 0.00 0.00 0.00 0.00 104.50 328.00 1203.50
1999 233.00 137.50 33.00 76.00 1.50 0.00 0.00 0.00 0.00 0.00 62.00 261.00 804.00
2000 217.00 110.50 101.50 0.00 0.00 0.00 0.00 0.00 0.00 9.50 238.50 257.00 934.00
2001 410.00 284.00 101.50 58.50 0.00 0.00 b 0.00 0.00 0.00 0.00 102.50 442.50 1399.00
2002 384.50 182.00 147.00 2.00 0.00 0.00 0.00 0.00 0.00 9.50 72.00 353.50 1150.50
2003 157.00 227.50 106.00 27.00 0.00 0.00 0.00 0.00 0.00 0.50 214.50 373.50 1106.00
2004 334.50 295.50 32.00 t 11.50 0.00 0.00 0.00 0.00 0.00 19.50 159.00 280.50 1100.50
2005 256.00 171.50 56.00 0.50 0.00 0.00 0.00 0.00 0.00 0.00 63.00 287.50 834.50
2006 250.00 106.50 136.50 0.00 0.00 0.00 0.00 0.00 0.00 1.11 c 105.00 375.50 974.61
2007 436.50 164.00 57.50 5.50 0.00 0.00 0.00 0.00 0.00 0.00 90.50 448.50 1202.50
2008 425.00 241.00 77.50 0.00 2.00 0.00 0.00 0.00 0.00 9.00 54.00 411.50 1220.00
2009 244.00 236.00 88.00 24.50 0.00 0.00 0.00 0.00 0.00 21.00 98.50 436.50 1148.50
2010 315.50 190.00 121.00 38.50 0.50 0.00 0.00 0.00 0.00 0.50 175.00 263.50 1104.50
2011 327.00 287.00 62.00 35.00 0.00 0.00 0.00 0.00 0.00 0.00 125.50 414.50 1251.00
2012 245.50 155.50 74.00 14.00 0.00 0.00 0.00 0.00 0.00 0.00 61.00 326.00 876.00
2013 382.00 228.50 30.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 18.50 z 640.50
Period of Record Statistics
MEAN 371.71 216.39 113.14 27.57 1.86 0.00 0.00 0.00 0.02 11.89 139.27 371.09 1246.32
S.D. 105.15 82.20 61.79 28.15 4.72 0.00 0.00 0.00 0.19 17.89 65.53 83.73 233.10
SKEW 0.73 0.42 0.92 1.29 4.66 0.00 0.00 0.00 7.75 2.81 0.37 -0.02 0.30
MAX 765.50 432.00 291.00 125.00 31.50 0.00 0.00 0.00 1.50 104.50 280.50 529.50 1914.50
MIN 157.00 63.50 21.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15.50 169.00 804.00
NO YRS 64 65 63 61 64 63 63 62 63 63 65 62 54