TWENTYNINE PALMS, CALIFORNIA

Monthly Total Heating Degree Days

(049099)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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 4.50 33.00 338.50 642.50 1018.50
1949 914.50 521.50 296.00 54.00 8.00 0.00 0.00 b 0.00 0.00 87.00 89.00 538.00 2508.00
1950 614.00 295.50 171.00 32.07 a 21.00 0.00 0.00 0.00 0.00 5.50 136.00 265.00 1540.07
1951 359.50 g 383.00 247.00 60.50 44.50 0.00 0.00 0.00 0.00 34.00 g 292.50 551.28 a 1578.78
1952 626.50 386.50 389.00 64.00 0.00 0.00 0.00 0.00 0.00 0.00 356.00 500.13 a 2322.13
1953 326.50 352.50 218.00 76.00 36.50 0.00 0.00 0.00 0.00 28.00 173.00 407.50 1618.00
1954 486.00 148.00 299.00 7.00 8.00 0.00 0.00 0.00 i 0.00 26.00 100.00 452.50 1526.50
1955 578.15 a 443.00 192.00 99.50 27.00 1.00 0.00 0.00 a 0.00 0.00 217.50 376.50 1934.65
1956 338.50 424.00 154.00 84.00 1.50 0.00 0.00 0.00 0.00 52.50 274.00 366.00 h 1328.50
1957 583.50 180.00 192.50 59.50 14.50 0.00 0.00 0.00 0.00 67.50 286.00 388.00 1771.50
1958 407.00 239.04 a 366.00 106.00 1.50 0.00 0.00 0.00 0.00 28.50 258.50 362.00 1768.54
1959 384.00 396.00 116.50 1.00 7.50 0.00 0.00 0.00 0.00 42.50 220.50 466.50 1634.50
1960 645.00 428.00 119.50 51.00 11.50 0.00 0.00 0.00 0.00 43.50 299.00 527.00 2124.50
1961 457.50 288.00 189.00 41.50 4.50 0.00 0.00 0.00 0.00 72.00 339.00 554.00 1945.50
1962 450.50 347.50 386.00 6.50 25.50 2.00 0.00 0.00 0.00 9.50 170.00 433.00 1830.50
1963 588.50 147.50 253.50 159.50 2.00 0.00 0.00 0.00 0.00 3.50 246.00 480.50 1881.00
1964 622.50 437.50 316.00 118.00 57.50 0.50 0.00 0.00 0.00 2.00 389.50 445.50 2389.00
1965 431.00 323.50 299.00 189.50 25.00 0.00 0.00 0.00 1.00 8.50 206.00 546.00 2029.50
1966 591.00 464.50 205.50 36.50 0.00 0.00 0.00 0.00 z 0.00 26.00 230.50 473.00 2027.00
1967 477.00 261.00 157.50 263.50 29.00 0.00 0.00 0.00 0.00 8.50 147.50 605.00 1949.00
1968 513.50 0.00 z 205.50 104.50 15.00 h 0.00 a 0.00 0.00 0.00 0.00 z 206.00 637.00 1666.50
1969 333.25 a 412.50 279.50 51.50 20.50 0.00 0.00 0.00 0.00 58.50 242.00 440.50 1838.25
1970 475.50 264.00 253.50 196.50 5.00 0.00 0.00 0.00 0.00 91.50 270.50 564.09 c 2120.59
1971 520.50 329.50 237.00 85.00 25.50 0.00 0.00 0.00 7.00 181.50 332.50 607.00 2325.50
1972 525.00 284.50 67.00 67.00 14.98 a 0.00 0.00 0.00 0.00 116.50 378.50 605.50 2058.98
1973 630.50 364.50 362.50 111.50 5.00 0.00 0.00 0.00 0.00 17.50 285.00 432.50 2209.00
1974 521.00 324.00 151.00 61.50 10.50 0.00 0.00 0.00 0.00 34.00 248.28 a 517.00 1867.28
1975 472.00 392.00 296.50 211.55 a 28.00 0.00 0.00 0.00 0.00 55.00 274.00 430.00 2159.05
1976 436.00 295.50 270.50 129.00 0.00 0.00 0.00 0.00 0.00 37.00 184.50 508.00 1860.50
1977 510.50 248.00 337.00 42.00 51.00 0.00 0.00 0.00 0.00 6.50 153.00 320.50 1668.50
1978 478.50 317.50 156.50 95.00 4.00 0.00 0.00 0.00 0.00 12.50 299.00 607.00 1970.00
1979 626.00 407.50 242.50 58.00 8.50 0.00 0.00 0.00 0.00 33.00 311.50 415.50 2102.50
1980 357.50 233.50 261.50 85.50 23.00 0.00 0.00 0.00 0.00 70.00 225.50 290.00 1546.50
1981 351.00 274.00 223.50 32.50 3.00 0.00 0.00 0.00 0.00 47.50 191.00 387.50 1510.00
1982 509.50 274.00 267.00 76.00 6.00 0.00 0.00 0.00 3.50 44.00 367.50 543.00 2090.50
1983 413.00 317.50 225.00 156.00 18.00 0.00 0.00 0.00 0.00 3.00 266.50 414.50 1813.50
1984 405.00 369.50 141.50 81.50 0.00 0.00 0.00 0.00 0.00 89.50 307.00 535.00 1929.00
1985 522.00 386.00 263.00 21.00 1.50 0.00 0.00 0.00 3.50 18.00 324.50 427.00 1966.50
1986 315.00 260.50 132.50 53.50 8.50 0.00 0.00 0.00 9.00 49.00 231.50 497.50 1557.00
1987 527.50 366.00 260.50 19.00 6.50 0.00 0.00 0.00 0.00 8.50 319.50 624.50 2132.00
1988 494.00 285.50 203.00 73.50 32.50 0.00 0.00 0.00 0.00 0.00 261.00 509.00 1858.50
1989 561.00 369.50 77.00 27.50 2.50 0.00 0.00 0.00 0.00 55.50 203.50 450.00 1746.50
1990 505.50 389.00 176.00 24.50 2.00 0.00 0.00 0.00 0.00 12.50 245.00 680.50 2035.00
1991 504.00 191.00 0.00 z 35.50 23.50 0.00 z 0.00 0.00 0.00 66.50 235.00 501.50 1557.00
1992 512.00 286.00 219.00 19.00 0.00 0.00 b 0.00 0.00 0.00 9.00 315.00 0.00 z 1360.00
1993 500.00 370.50 111.50 18.50 0.00 6.00 0.00 0.00 0.00 11.00 308.00 513.00 1838.50
1994 399.00 396.50 84.50 41.50 8.50 0.00 0.00 0.00 0.00 25.50 460.00 511.00 1926.50
1995 477.50 164.50 222.00 80.50 28.00 0.50 0.00 0.00 0.00 21.00 80.50 110.50 p 1074.50
1996 393.00 225.50 143.00 26.50 2.50 0.00 0.00 0.00 0.00 131.00 240.50 457.00 1619.00
1997 433.50 338.00 0.00 z 100.50 0.00 0.00 0.00 0.00 0.00 52.50 230.00 522.00 1676.50
1998 0.00 z 386.00 245.50 165.00 21.00 0.00 z 0.00 z 0.00 z 0.00 z 32.00 230.50 456.00 1536.00
1999 0.00 z 301.50 177.50 189.00 7.50 4.00 0.00 a 0.00 0.00 a 9.50 170.50 411.50 1271.00
2000 323.00 285.86 a 176.50 12.00 0.50 0.00 0.00 0.00 0.00 73.50 371.00 373.00 1615.36
2001 506.50 387.50 136.00 109.00 0.00 a 0.00 0.00 0.00 0.00 0.00 166.50 529.50 1835.00
2002 483.50 291.50 245.50 32.00 6.50 0.00 0.00 0.00 0.00 26.00 188.50 534.50 1808.00
2003 293.00 344.00 181.00 107.50 18.00 0.00 0.00 0.00 0.00 9.50 402.00 557.50 1912.50
2004 522.00 477.50 87.00 59.00 0.00 0.00 0.00 0.00 2.00 134.00 464.50 467.50 2213.50
2005 406.00 334.50 170.00 55.00 2.00 0.00 0.00 0.00 0.00 12.50 115.56 c 382.00 1477.56
2006 396.00 219.52 c 0.00 z 63.21 b 0.00 0.00 0.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 678.73
Period of Record Statistics
MEAN 484.98 326.86 215.55 77.36 12.62 0.25 0.00 0.00 0.54 39.26 256.45 484.96 1909.94
S.D. 108.00 83.41 78.64 56.63 13.80 0.99 0.00 0.00 1.71 38.47 85.94 89.54 244.61
SKEW 0.96 -0.16 0.24 1.19 1.30 4.67 0.00 0.00 3.57 1.53 0.18 -0.13 0.27
MAX 914.50 521.50 389.00 263.50 57.50 6.00 0.00 0.00 9.00 181.50 464.50 680.50 2508.00
MIN 293.00 147.50 67.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 80.50 265.00 1477.56
NO YRS 55 57 55 58 57 56 57 55 57 56 58 55 46