EUREKA WSO CITY, CALIFORNIA

Monthly Total Heating Degree Days

(042910)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 265.50 217.00 294.50 354.00 519.50 649.50 2300.00
1949 765.50 543.50 470.00 431.00 352.50 328.00 315.00 195.50 254.00 443.50 317.00 601.00 5016.50
1950 672.00 482.50 527.00 476.00 475.00 322.00 298.50 237.50 286.50 246.50 312.50 351.00 4687.00
1951 561.50 462.00 600.50 479.50 375.50 356.00 288.00 296.50 298.50 310.50 391.50 573.50 4993.50
1952 620.50 519.50 613.50 462.50 384.50 340.00 301.50 283.00 282.50 331.50 466.00 521.00 5126.00
1953 433.50 499.50 553.50 486.50 401.50 327.50 308.50 193.50 204.00 327.00 343.00 521.50 4599.50
1954 557.00 467.50 553.00 441.50 419.00 315.00 292.00 256.50 224.00 342.50 347.00 521.50 4736.50
1955 645.00 572.50 596.50 543.00 461.50 362.00 296.50 360.00 307.00 395.00 459.00 460.50 5458.50
1956 493.00 581.50 546.50 464.00 365.00 300.00 287.50 254.00 261.00 358.50 497.50 583.50 4992.00
1957 674.50 449.50 469.00 433.50 318.00 235.00 258.50 207.50 173.00 274.00 406.00 471.50 4370.00
1958 429.00 312.00 535.50 411.00 304.50 171.50 234.00 228.00 183.00 326.50 379.50 391.50 3906.00
1959 463.00 494.00 487.00 434.50 395.50 270.00 287.00 276.00 217.00 290.50 436.00 542.00 4592.50
1960 513.50 482.00 452.00 424.00 362.50 316.00 331.50 299.50 343.00 324.00 417.50 503.50 4769.00
1961 449.00 415.00 473.50 474.50 388.00 259.00 257.50 243.50 290.00 386.50 464.50 576.00 4677.00
1962 614.00 486.00 523.50 438.00 395.00 355.50 348.00 226.00 236.50 322.50 381.50 475.50 4802.00
1963 590.00 272.50 491.50 447.50 344.50 318.50 243.00 245.00 171.50 250.50 374.50 462.50 4211.50
1964 570.50 523.00 599.00 537.00 454.50 307.50 262.50 249.50 296.50 313.00 452.00 511.00 5076.00
1965 550.50 539.50 512.50 448.50 469.00 393.00 317.50 190.00 333.00 291.00 312.00 559.00 4915.50
1966 536.50 517.50 526.50 440.00 453.00 286.00 260.50 281.50 214.00 365.00 373.50 481.00 4735.00
1967 547.50 488.50 567.50 565.00 408.00 313.00 264.50 256.00 177.00 250.50 351.50 618.00 4807.00
1968 569.50 343.50 448.00 506.00 392.00 287.00 269.00 184.50 227.50 362.50 396.00 573.50 4559.00
1969 650.50 527.50 518.00 457.00 359.50 253.00 292.00 287.00 255.50 303.50 410.50 427.00 4741.00
1970 401.50 381.50 469.50 527.50 395.00 322.50 316.00 300.00 282.00 387.00 345.50 546.00 4674.00
1971 598.50 525.50 554.50 509.00 446.50 323.00 305.00 158.50 249.50 446.50 468.50 622.50 5207.50
1972 633.00 464.50 428.50 478.50 429.50 312.50 224.50 211.50 276.50 335.50 396.00 598.00 4788.50
1973 550.00 403.00 546.00 446.50 402.00 300.00 292.50 315.50 237.00 400.50 407.50 427.50 4728.00
1974 567.50 531.00 464.00 461.00 431.50 329.00 228.50 227.00 282.00 367.00 414.50 506.50 4809.50
1975 596.00 476.00 540.00 554.00 423.50 356.00 251.50 300.50 294.50 336.50 494.50 546.50 5169.50
1976 576.50 524.00 600.00 497.00 431.50 367.50 233.50 221.50 265.50 331.00 385.00 544.50 4977.50
1977 545.50 407.50 584.50 474.50 420.50 325.00 308.50 207.50 237.50 348.50 414.50 435.00 4709.00
1978 409.50 412.00 356.50 420.00 364.50 272.00 282.50 249.00 223.50 313.50 510.50 673.50 4487.00
1979 570.00 476.00 466.50 421.50 381.00 331.50 214.50 174.50 96.50 239.00 377.50 412.00 4160.50
1980 517.50 336.50 509.00 394.50 394.00 284.50 238.00 309.50 252.50 334.50 410.50 428.50 4409.50
1981 391.50 384.00 460.50 432.00 363.50 257.00 305.50 213.00 212.00 332.50 344.50 399.00 4095.00
1982 622.00 435.50 518.00 427.50 380.00 264.00 210.00 169.50 191.00 239.50 388.50 476.50 4322.00
1983 424.00 325.50 362.50 397.50 329.00 209.00 140.00 96.50 135.50 220.50 342.00 449.00 3431.00
1984 482.50 435.50 377.50 411.00 311.00 293.50 229.00 150.00 204.00 300.50 387.00 564.50 4146.00
1985 516.00 479.50 544.50 402.50 346.00 253.00 202.00 202.50 249.50 326.50 552.00 538.00 4612.00
1986 333.50 344.00 371.50 430.00 345.00 179.00 235.50 243.50 235.00 296.50 346.50 425.00 3785.00
1987 493.50 382.00 383.50 324.00 266.00 219.00 170.50 203.00 231.00 228.00 308.50 476.50 3685.50
1988 453.50 429.50 457.50 366.00 272.50 219.00 194.00 227.00 282.00 305.00 353.50 536.00 4095.50
1989 589.50 543.50 410.50 314.50 283.50 222.00 173.00 178.50 252.50 313.50 373.50 490.00 4144.50
1990 518.50 547.50 459.50 366.00 340.50 204.00 161.50 147.50 103.50 333.50 459.00 688.50 4329.50
1991 535.50 342.50 524.50 424.00 398.00 337.50 238.50 168.00 233.50 281.00 407.50 519.00 4409.50
1992 457.00 323.50 337.50 258.50 258.50 200.50 140.50 184.00 228.50 219.50 400.50 562.50 3571.00
1993 578.00 439.00 360.50 344.00 222.00 213.50 237.00 161.00 276.50 260.50 454.00 480.50 4026.50
1994 451.00 462.00 430.50 366.00 294.00 242.00 247.50 111.50 163.00 329.00 583.50 568.50 4248.50
1995 389.05 a 374.00 454.00 419.00 350.50 270.00 148.00 205.00 143.00 315.00 332.50 403.00 3803.05
1996 481.00 367.50 443.50 362.50 351.00 285.50 238.50 215.00 275.00 329.50 413.00 439.00 4201.00
1997 510.50 480.50 481.50 408.50 225.50 216.50 170.50 113.00 87.50 306.50 350.00 538.50 3889.00
1998 406.00 417.50 458.00 439.00 344.50 250.50 200.50 193.50 229.00 311.50 399.50 633.00 4282.50
1999 546.00 496.50 566.00 492.50 427.00 301.50 263.50 153.50 303.00 390.00 312.00 589.00 4840.50
2000 518.00 389.50 515.50 382.50 302.50 250.50 196.50 185.50 189.00 334.00 493.00 514.50 4271.00
2001 561.50 505.50 461.50 475.50 344.00 272.00 235.50 175.50 265.50 328.00 398.00 489.50 4512.00
2002 571.50 447.50 560.00 408.00 395.00 261.00 199.00 247.50 232.00 409.00 383.50 446.00 4560.00
2003 343.00 480.00 397.00 432.50 338.00 235.00 191.50 120.50 212.00 264.50 455.50 493.50 3963.00
2004 477.50 459.00 419.50 373.50 257.00 208.50 149.50 121.00 208.50 313.00 482.50 514.00 3983.50
2005 539.00 414.50 403.50 400.50 242.00 228.00 197.00 250.50 299.50 349.00 462.50 453.00 4239.00
2006 491.50 486.50 548.50 423.50 426.50 277.50 174.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2654.00
Period of Record Statistics
MEAN 526.76 450.15 487.76 435.61 365.71 281.18 245.66 216.87 235.66 321.46 407.16 513.83 4479.61
S.D. 86.06 72.00 70.93 58.79 62.55 51.91 52.48 56.97 55.99 50.99 62.42 73.79 443.95
SKEW 0.00 -0.42 -0.23 -0.25 -0.46 -0.10 -0.26 0.07 -0.67 0.10 0.59 0.19 -0.21
MAX 765.50 581.50 613.50 565.00 475.00 393.00 348.00 360.00 343.00 446.50 583.50 688.50 5458.50
MIN 333.50 272.50 337.50 258.50 222.00 171.50 140.00 96.50 87.50 219.50 308.50 351.00 3431.00
NO YRS 58 58 58 58 58 58 58 58 58 58 58 58 57