MARTINEZ WTP, CALIFORNIA

Monthly Total Heating Degree Days

(045378)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1970 0.00 z 329.50 268.50 253.00 80.00 22.50 0.00 4.50 5.00 148.50 262.00 565.00 1938.50
1971 570.00 421.50 365.50 282.00 137.00 32.50 0.00 0.00 28.97 a 191.00 373.00 634.50 3035.97
1972 684.00 358.00 185.00 188.50 73.00 13.50 1.00 1.00 15.00 94.50 393.50 659.00 2666.00
1973 555.00 350.00 376.50 132.00 47.00 7.50 1.50 1.50 6.50 68.50 325.00 478.50 2349.50
1974 503.50 430.00 302.50 233.28 a 90.50 3.00 4.00 0.00 2.50 73.00 358.00 527.50 2527.78
1975 593.00 378.50 340.00 342.50 94.00 22.50 12.50 0.50 5.69 a 155.60 e 373.00 493.42 a 2811.20
1976 533.50 389.43 a 336.50 238.39 b 72.50 76.73 d 0.00 u 2.07 a 5.00 62.00 b 242.50 571.00 2529.62
1977 651.00 341.92 b 304.50 f 97.50 143.50 21.96 b 0.50 0.00 22.22 c 105.50 327.50 473.30 c 2184.91
1978 452.50 360.89 a 228.22 b 239.50 42.50 4.82 b 1.50 0.00 b 5.00 66.50 395.00 686.50 2482.93
1979 593.00 432.00 301.50 211.61 b 66.81 b 1.07 b 2.50 0.00 0.00 63.00 360.50 499.50 2531.49
1980 498.50 330.00 299.00 150.50 103.00 17.50 0.50 1.50 0.50 97.50 257.50 521.00 2277.00
1981 501.50 309.00 317.23 a 132.50 38.00 0.00 0.50 2.00 2.00 136.00 245.50 422.00 2106.23
1982 658.75 a 370.50 353.50 208.00 58.00 33.50 0.50 1.00 5.50 64.50 439.50 526.50 2719.75
1983 597.00 345.50 283.00 214.50 84.00 1.50 1.00 0.00 6.00 58.00 389.50 500.50 2480.50
1984 616.00 463.50 273.50 242.50 63.50 32.00 0.00 0.00 1.00 134.50 393.00 640.00 2859.50
1985 707.50 390.00 423.00 111.00 101.50 12.50 3.50 3.50 47.00 189.00 467.50 697.50 3153.50
1986 444.50 280.50 206.50 158.50 65.50 16.00 3.00 0.00 70.50 117.50 286.00 597.00 2245.50
1987 582.50 368.50 305.00 83.50 53.00 13.00 8.00 7.00 18.50 121.50 387.00 540.50 2488.00
1988 539.00 349.00 201.00 164.50 106.00 28.00 0.00 4.00 7.50 88.50 300.00 524.00 2311.50
1989 607.50 494.50 277.50 117.00 68.00 17.00 0.00 2.50 26.00 119.00 324.50 619.00 2672.50
1990 555.50 484.00 316.50 132.50 100.50 7.50 0.00 1.00 0.00 59.50 358.50 718.00 2733.50
1991 582.50 323.50 449.00 242.00 125.00 34.00 2.50 4.00 7.50 68.00 277.50 549.50 2665.00
1992 643.50 327.50 271.00 102.00 13.00 11.50 1.00 0.00 5.50 43.50 305.50 603.50 2327.50
1993 610.50 438.00 251.50 209.00 70.00 12.50 0.00 0.00 23.50 45.00 357.50 591.00 2608.50
1994 526.00 449.00 247.50 152.50 83.50 7.00 0.00 0.00 1.50 102.50 487.50 611.50 2668.50
1995 422.50 327.00 358.00 216.00 126.00 32.00 0.00 0.00 1.00 55.00 180.50 385.00 2103.00
1996 484.00 351.50 287.00 154.00 44.50 8.50 0.00 0.00 2.50 109.50 268.50 420.00 2130.00
1997 494.50 331.50 226.00 107.00 9.00 0.00 0.00 0.00 0.00 86.00 245.50 532.50 2032.00
1998 470.50 405.50 307.50 252.50 190.00 29.00 3.00 0.00 20.00 103.50 330.00 637.50 2749.00
1999 580.00 445.00 412.00 245.00 128.50 40.50 12.50 5.00 3.50 65.50 250.50 498.50 2686.50
2000 440.50 371.50 314.50 151.50 102.00 10.50 10.50 7.00 11.50 121.50 442.50 493.50 2477.00
2001 575.50 430.00 223.50 256.00 14.00 0.50 5.50 0.00 6.50 80.50 275.00 497.50 2364.50
2002 584.00 383.00 358.50 211.00 95.00 8.50 0.00 7.50 14.50 114.00 287.00 448.50 2511.50
2003 426.50 383.50 252.00 285.00 95.50 9.50 0.00 0.00 2.00 38.00 407.50 490.50 2390.00
2004 531.00 420.50 158.50 131.00 36.00 2.50 0.00 6.00 22.00 187.00 404.50 569.50 2468.50
2005 646.00 393.50 301.00 273.00 102.50 34.50 0.00 6.50 68.00 160.50 366.00 459.50 2811.00
2006 476.50 369.00 383.50 253.00 59.50 12.50 0.00 1.00 44.00 162.00 367.00 620.50 2748.50
2007 653.50 404.50 270.00 196.50 83.50 14.00 0.00 2.00 51.00 154.50 295.50 574.00 2699.00
2008 583.00 436.00 334.00 237.00 91.00 6.00 7.50 0.50 33.00 141.00 333.00 700.50 2902.50
2009 600.00 487.50 409.50 283.50 113.00 66.50 16.50 8.00 6.50 140.50 365.50 619.00 3116.00
2010 549.00 385.50 368.00 311.50 182.50 7.00 9.00 16.00 28.00 158.00 398.50 514.00 2927.00
2011 638.60 a 512.00 418.50 b 239.46 b 157.00 71.50 6.00 6.00 8.00 155.50 474.00 636.50 3323.06
2012 580.00 453.00 379.00 198.50 46.00 20.17 a 1.00 5.50 18.00 133.00 154.50 o 546.50 2380.67
2013 634.50 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 0.00 z 0.00 z 634.50
Period of Record Statistics
MEAN 562.24 390.81 308.09 200.94 85.00 19.15 2.75 2.49 15.31 107.86 342.32 555.66 2593.87
S.D. 72.50 54.79 69.11 63.98 41.25 18.28 4.17 3.34 17.83 43.00 70.79 80.68 300.27
SKEW -0.20 0.32 -0.02 -0.04 0.45 1.62 1.72 1.84 1.63 0.21 0.01 0.10 0.24
MAX 707.50 512.00 449.00 342.50 190.00 76.73 16.50 16.00 70.50 191.00 487.50 718.00 3323.06
MIN 422.50 280.50 158.50 83.50 9.00 0.00 0.00 0.00 0.00 38.00 180.50 385.00 2032.00
NO YRS 43 43 42 43 43 43 42 43 43 43 42 43 39