SAN GREGORIO 2 SE, CALIFORNIA

Monthly Total Heating Degree Days

(047807)

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
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 292.00 205.00 217.00 188.00 262.50 305.50 463.00 1933.00
1955 593.00 498.50 480.50 a 516.00 395.00 291.00 280.50 280.00 265.00 299.50 407.07 a 411.50 4717.57
1956 473.50 555.00 528.50 422.00 329.00 287.00 215.50 225.00 153.50 325.50 296.50 448.00 4259.00
1957 612.50 384.00 435.50 366.00 292.50 184.50 201.50 202.50 130.50 201.50 356.00 402.00 3769.00
1958 436.50 304.50 491.50 361.00 249.00 153.00 130.50 84.50 103.00 205.00 318.50 328.00 3165.00
1959 421.50 428.50 356.00 328.50 345.00 193.50 f 180.00 125.50 182.00 176.00 314.00 424.50 3281.50
1960 524.50 442.50 385.00 375.00 357.00 194.50 170.50 216.50 197.00 271.50 397.50 453.50 3985.00
1961 371.00 394.50 471.50 384.50 374.50 182.50 156.00 84.00 176.00 291.50 405.00 501.50 3792.50
1962 477.18 c 418.00 489.00 374.50 384.00 292.00 276.00 160.50 229.50 248.50 356.50 451.00 4156.68
1963 590.50 267.50 495.50 418.50 313.00 269.50 194.00 206.50 102.00 195.00 0.00 z 433.50 3485.50
1964 521.50 469.50 525.50 444.50 425.00 244.50 188.50 169.50 168.10 a 188.50 400.50 426.50 4172.10
1965 435.50 449.50 437.00 368.00 392.00 282.50 213.50 123.48 a 174.00 193.50 298.50 553.00 3920.48
1966 505.00 459.50 452.00 310.00 337.50 228.50 199.00 182.00 138.00 225.50 333.50 468.00 3838.50
1967 472.50 392.50 474.00 489.50 332.50 280.50 191.50 165.50 102.00 199.50 273.50 507.00 3880.50
1968 517.50 296.00 373.50 406.00 342.50 215.00 184.00 106.00 137.00 289.50 351.00 530.00 3748.00
1969 505.00 462.50 453.00 413.00 292.50 215.50 207.50 245.00 153.50 268.00 299.00 396.50 3911.00
1970 410.00 347.50 408.00 460.00 296.50 226.50 183.50 231.00 161.00 295.50 323.50 526.50 3869.50
1971 488.00 449.50 487.50 453.50 388.00 258.50 233.50 130.50 138.00 418.50 451.00 631.50 4528.00
1972 572.50 397.50 384.50 404.50 344.50 227.50 128.00 115.50 172.00 215.50 387.00 583.00 3932.00
1973 541.50 355.50 489.50 357.00 294.00 202.50 205.00 218.00 168.50 297.00 435.50 475.00 4039.00
1974 555.00 493.50 425.00 405.50 364.50 225.00 167.00 126.00 154.00 237.00 397.00 544.00 4093.50
1975 509.50 428.50 465.50 479.00 317.50 250.00 191.50 193.00 215.50 354.50 468.00 507.50 4380.00
1976 497.50 461.00 513.50 455.50 301.73 a 208.00 137.50 110.00 161.50 248.50 276.50 478.00 3849.23
1977 462.00 375.00 523.00 424.00 357.50 213.00 180.50 101.50 142.50 300.00 389.50 413.50 3882.00
1978 401.00 351.00 270.50 357.50 285.00 233.00 182.50 152.50 162.50 265.00 468.50 592.00 3721.00
1979 539.50 465.00 410.50 361.00 281.00 262.00 141.00 136.00 85.00 177.00 354.50 428.00 3640.50
1980 436.00 310.50 448.00 362.00 343.00 222.50 123.50 170.50 166.00 276.00 365.50 384.00 3607.50
1981 371.50 355.00 420.00 388.00 314.50 192.00 208.00 177.00 159.00 325.00 302.00 424.50 3636.50
1982 576.00 398.50 470.00 365.00 315.00 211.00 192.50 159.50 150.00 251.50 382.00 501.50 3972.50
1983 403.50 336.50 356.00 364.50 289.50 188.50 136.00 67.50 59.50 129.00 359.00 395.00 3084.50
1984 454.00 429.00 373.50 426.50 310.50 264.50 116.50 127.00 109.50 282.50 415.00 542.00 3850.50
1985 526.00 429.00 525.50 317.50 346.50 158.50 124.00 146.00 162.50 283.50 485.00 423.50 3927.50
1986 359.50 317.00 326.50 369.50 325.00 144.00 152.00 145.00 193.00 258.50 372.50 480.00 3442.50
1987 532.50 395.50 405.50 327.50 242.00 197.50 176.00 103.50 155.00 164.50 358.50 512.50 3570.50
1988 466.50 382.00 454.00 334.50 302.00 206.50 111.00 116.50 205.50 245.50 377.00 540.00 3741.00
1989 565.00 528.00 387.50 263.00 296.00 184.00 181.00 133.50 185.00 254.50 314.00 459.00 3750.50
1990 506.00 500.50 443.50 317.00 297.50 201.00 117.00 40.50 93.00 266.00 390.50 651.00 3823.50
1991 511.00 360.50 493.00 416.50 361.00 285.50 115.50 128.50 159.50 260.00 390.50 491.50 3973.00
1992 481.50 324.50 322.00 275.50 205.50 123.50 54.50 160.00 155.00 155.00 358.50 513.50 3129.00
1993 488.00 402.00 331.50 350.50 234.00 196.00 152.50 111.50 215.00 187.00 395.00 483.00 3546.00
1994 465.00 456.00 400.50 359.50 305.00 251.50 199.50 179.00 139.00 288.50 545.00 571.50 4160.00
1995 398.50 327.50 403.00 387.00 312.50 235.00 82.00 149.50 141.50 236.50 319.50 418.00 3410.50
1996 442.00 343.00 375.00 313.50 325.50 284.00 162.50 187.50 200.50 310.00 373.00 417.00 3733.50
1997 443.50 436.00 438.50 358.50 198.50 250.00 141.50 90.00 68.00 248.50 279.00 498.00 3450.00
1998 0.00 z 446.00 419.50 388.00 327.00 225.50 194.50 168.00 159.00 346.00 0.00 z 624.00 3297.50
1999 500.00 488.00 562.00 0.00 z 0.00 z 0.00 z 208.50 0.00 z 0.00 z 0.00 z 0.00 z 542.50 a 2301.00
2000 477.50 399.00 467.50 367.00 0.00 z 208.00 0.00 z 0.00 z 160.00 294.50 e 479.00 451.00 3303.50
2001 549.50 458.50 410.00 482.00 290.37 a 268.50 195.50 190.65 a 197.50 227.50 361.50 467.00 4098.52
2002 576.00 371.00 485.00 366.00 367.50 267.00 159.50 129.50 154.50 295.50 312.00 462.00 3945.50
2003 322.00 457.00 423.00 446.50 383.50 191.00 138.50 61.50 98.00 210.00 395.50 440.50 3567.00
2004 503.50 444.50 320.50 338.50 260.00 219.50 90.00 74.00 162.00 268.00 407.00 460.00 3547.50
2005 463.00 353.00 347.50 394.00 249.50 235.00 152.50 173.00 204.50 294.00 305.50 406.00 3577.50
2006 459.00 403.00 496.00 348.00 271.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1977.00
Period of Record Statistics
MEAN 484.51 407.64 433.27 383.54 317.27 226.57 169.18 149.93 157.09 255.04 369.50 479.52 3821.63
S.D. 64.75 63.42 64.05 53.93 48.73 41.20 44.45 51.10 40.64 55.48 59.84 67.70 329.56
SKEW -0.26 -0.03 -0.32 0.29 -0.24 -0.21 -0.06 0.19 -0.16 0.14 0.60 0.52 0.13
MAX 612.50 555.00 562.00 516.00 425.00 292.00 280.50 280.00 265.00 418.50 545.00 651.00 4717.57
MIN 322.00 267.50 270.50 263.00 198.50 123.50 54.50 40.50 59.50 129.00 273.50 328.00 3084.50
NO YRS 51 52 52 51 50 50 51 50 51 51 49 52 46