LAKE SOLANO, CALIFORNIA

Monthly Total Heating Degree Days

(044712)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.57 d 0.00 181.50 404.00 565.00 1151.07
1976 572.50 434.00 379.00 280.00 3.00 26.50 0.00 18.00 3.50 89.00 298.00 570.00 2673.50
1977 688.00 366.00 403.50 100.00 192.50 15.50 0.00 0.00 25.00 75.00 296.50 472.50 2634.50
1978 473.50 412.50 236.00 262.00 0.00 z 0.00 0.00 0.00 9.00 58.50 447.50 705.00 2604.00
1979 634.00 480.50 331.00 210.00 64.50 0.50 0.00 0.00 1.50 106.00 396.50 535.00 2759.50
1980 545.50 371.50 387.50 a 204.00 113.00 32.00 3.00 1.00 11.00 149.46 c 323.50 550.50 2691.96
1981 544.50 362.00 376.00 172.00 33.50 1.50 0.00 0.00 8.00 175.50 275.50 504.50 2453.00
1982 690.00 402.50 432.00 268.50 46.50 11.00 1.50 0.00 21.00 124.00 518.50 588.00 3103.50
1983 689.00 409.50 389.00 305.00 92.00 3.00 1.00 0.00 3.50 46.00 380.00 500.00 2818.00
1984 577.50 448.00 180.00 198.50 32.50 13.00 0.00 0.00 0.00 156.00 435.50 637.00 2678.00
1985 736.50 388.00 416.50 70.50 79.50 15.50 1.50 3.50 54.00 0.00 z 0.00 z 0.00 z 1765.50
1986 105.50 w 0.00 z 0.00 z 102.50 j 71.50 1.00 0.00 0.00 96.00 84.00 271.50 620.00 1144.00
1987 631.00 397.50 342.50 91.50 59.00 4.00 7.50 2.00 5.00 50.50 384.50 610.00 2585.00
1988 591.00 374.41 a 275.00 198.00 120.50 45.00 0.00 5.50 10.50 69.50 363.50 615.00 2667.91
1989 669.50 534.50 358.00 149.50 70.50 18.50 1.50 0.00 25.50 127.50 332.00 683.00 2970.00
1990 619.50 521.50 317.00 110.00 86.00 9.00 0.00 0.50 1.00 32.00 356.50 745.00 2798.00
1991 617.00 313.50 501.50 252.50 135.00 11.50 0.00 0.00 3.50 87.50 279.00 594.50 2795.50
1992 704.50 359.50 289.00 74.50 1.50 7.50 0.00 0.00 z 0.00 21.50 277.50 633.50 2369.00
1993 650.00 470.50 221.50 170.00 43.50 22.50 0.00 0.00 5.50 34.00 372.50 664.00 2654.00
1994 563.50 497.50 276.00 157.00 85.00 1.50 0.00 0.00 0.00 83.00 497.00 667.00 2827.50
1995 487.00 367.50 376.50 207.50 120.00 0.00 z 0.00 0.00 0.00 32.00 162.00 439.50 2192.00
1996 506.00 351.50 263.00 147.00 33.50 0.50 0.00 0.00 0.00 104.50 270.50 463.00 2139.50
1997 528.50 299.00 184.00 87.00 9.00 0.50 0.00 0.00 0.00 59.00 279.00 555.50 2001.50
1998 503.50 454.50 295.00 236.00 185.50 8.00 0.00 0.00 14.00 75.00 336.00 651.00 2758.50
1999 622.00 443.50 382.00 213.50 44.50 19.50 0.00 0.00 0.00 31.00 282.00 486.50 2524.50
2000 479.50 416.50 288.50 99.00 72.50 1.50 0.00 0.00 3.50 128.00 463.00 520.50 2472.50
2001 569.00 430.50 202.00 243.00 1.00 1.50 0.00 0.00 0.00 24.50 244.50 520.50 2236.50
2002 595.00 361.50 334.50 160.50 60.50 0.00 0.00 0.00 5.50 138.50 306.50 499.50 2462.00
2003 454.50 394.00 234.00 306.00 87.50 0.00 0.00 0.00 0.00 11.00 410.00 526.50 2423.50
2004 590.00 411.50 137.50 120.00 8.00 0.00 0.00 0.00 11.00 134.50 355.50 537.50 2305.50
2005 620.00 327.50 238.50 177.00 63.00 17.50 0.00 0.00 0.50 46.50 216.00 444.00 2150.50
2006 452.50 344.50 467.00 238.50 20.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1522.50
Period of Record Statistics
MEAN 586.82 404.85 317.12 183.62 67.82 9.93 0.53 1.04 10.26 84.50 341.15 570.12 2583.38
S.D. 78.43 58.67 89.89 69.39 49.47 11.29 1.49 3.42 19.51 48.55 83.02 80.23 268.06
SKEW -0.04 0.41 -0.03 0.01 0.79 1.33 3.73 4.34 3.23 0.37 0.21 0.27 -0.39
MAX 736.50 534.50 501.50 306.00 192.50 45.00 7.50 18.00 96.00 181.50 518.50 745.00 3103.50
MIN 452.50 299.00 137.50 70.50 1.00 0.00 0.00 0.00 0.00 11.00 162.00 439.50 2001.50
NO YRS 30 30 30 30 30 29 30 30 31 30 30 30 25