RICHARDSON GROVE ST PK, CALIFORNIA

Monthly Total Heating Degree Days

(047404)

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
1961 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 423.00 h 290.50 q 0.00
1962 742.50 358.50 k 531.00 230.50 235.00 51.00 e 11.50 17.00 29.50 251.62 a 443.00 594.00 3136.62
1963 761.00 312.50 527.00 480.50 185.50 78.75 b 18.17 b 4.00 8.50 212.50 475.50 637.00 3700.92
1964 681.00 551.00 553.50 375.00 282.50 101.50 11.50 7.00 51.50 131.50 543.50 598.00 3887.50
1965 620.00 527.50 418.50 360.50 214.00 98.50 5.50 10.50 61.50 160.00 438.00 738.50 3653.00
1966 665.50 578.50 489.50 228.50 160.50 69.50 19.00 13.00 36.50 174.50 j 452.00 596.50 3309.00
1967 652.00 487.00 552.50 571.00 168.50 70.50 0.00 3.50 3.00 194.00 377.00 758.50 3837.50
1968 695.00 382.50 423.50 308.50 218.00 65.00 0.00 22.50 38.50 232.50 443.00 715.00 3544.00
1969 700.00 614.96 a 480.00 376.00 143.12 a 57.50 2.00 4.50 23.00 293.00 497.00 562.50 3753.58
1970 564.00 442.00 419.00 423.00 180.00 62.50 0.00 4.50 43.50 271.50 421.50 648.00 3479.50
1971 658.00 545.00 551.50 421.50 245.00 84.00 23.00 11.37 a 68.50 339.50 528.50 762.50 4238.37
1972 750.50 530.00 349.50 372.41 a 181.50 59.50 0.55 c 16.05 c 86.38 a 236.50 507.50 784.50 3874.90
1973 720.00 492.50 536.30 a 301.50 138.00 66.43 b 10.50 17.00 48.00 298.50 509.00 558.50 3696.23
1974 708.50 609.00 480.50 407.59 a 256.27 a 40.50 g 48.64 b 3.10 a 7.00 j 194.02 b 536.50 632.83 b 3876.94
1975 713.53 b 605.00 548.50 523.89 c 232.50 71.54 d 29.28 d 15.50 d 16.07 b 345.28 b 605.50 641.00 4347.59
1976 729.50 587.00 552.00 472.50 223.50 145.38 d 6.56 e 56.50 52.24 a 238.38 b 429.00 773.00 4265.56
1977 737.50 476.00 603.00 311.90 a 376.00 42.41 a 14.95 c 5.68 a 72.50 222.50 495.00 549.50 3906.94
1978 533.00 437.50 340.50 390.00 193.50 38.79 a 11.76 b 22.50 88.45 a 138.00 572.00 760.00 3526.00
1979 692.50 553.00 425.50 358.00 186.50 51.96 b 17.50 9.00 9.31 a 207.50 514.66 a 623.00 3648.43
1980 627.00 449.00 512.00 327.00 230.00 166.50 22.00 7.00 40.86 a 231.43 b 479.00 600.00 3691.79
1981 537.00 485.50 468.00 320.00 208.00 46.00 22.73 a 10.00 53.50 317.50 404.00 520.91 c 3393.14
1982 755.00 523.00 553.00 444.50 162.50 97.00 19.50 3.50 73.50 241.50 541.50 665.00 4079.50
1983 636.53 a 465.50 480.50 423.50 208.50 63.50 46.00 13.50 39.00 194.00 483.00 559.00 3612.53
1984 627.00 561.00 402.50 424.50 214.00 98.50 5.50 9.00 39.00 344.00 510.00 739.50 3974.50
1985 690.50 510.00 587.00 262.00 237.50 41.00 2.50 16.50 118.50 256.00 648.00 731.50 4101.00
1986 547.00 283.00 n 222.00 m 364.00 259.00 75.00 9.50 0.00 182.00 248.00 489.00 636.50 2810.00
1987 705.00 518.50 495.00 257.50 171.00 50.50 56.00 16.50 23.50 118.50 477.50 660.30 a 3549.80
1988 670.00 522.00 425.50 332.50 305.50 149.50 3.00 10.50 54.00 155.00 495.00 729.00 3851.50
1989 727.00 676.00 505.00 281.50 213.50 68.50 39.50 17.00 65.00 300.00 537.00 735.00 4165.00
1990 670.00 643.00 432.50 243.00 247.00 102.50 7.50 18.00 17.50 232.00 571.50 914.50 4099.00
1991 741.00 423.50 624.00 433.00 306.50 139.50 1.50 6.00 10.00 161.00 485.00 720.50 4051.50
1992 696.50 501.00 383.50 300.00 95.50 54.00 13.50 0.00 z 32.00 202.50 520.50 532.00 h 2799.00
1993 718.00 558.00 361.00 390.50 213.50 124.50 13.00 14.00 68.00 229.50 622.00 737.50 4049.50
1994 652.00 609.50 463.00 349.50 190.00 94.00 3.00 4.50 19.00 244.00 687.00 736.00 4051.50
1995 532.00 413.50 509.50 397.00 225.50 160.50 11.50 11.00 20.00 215.00 395.50 520.50 3411.50
1996 610.00 453.00 455.00 327.00 225.50 69.50 8.50 6.50 48.00 266.00 432.50 569.00 3470.50
1997 622.00 513.50 438.00 337.50 109.00 81.50 11.50 24.00 32.00 317.50 432.00 713.00 3631.50
1998 533.50 531.50 482.50 401.50 328.00 54.50 15.50 0.00 39.50 304.00 492.50 774.00 3957.00
1999 705.50 615.00 584.00 421.00 297.50 113.00 35.00 17.00 19.50 108.00 m 421.80 e 708.87 a 3938.17
2000 615.50 503.74 b 496.50 254.48 a 236.12 a 81.00 15.00 4.50 42.00 255.50 561.50 682.00 3747.84
2001 748.00 621.50 429.50 438.00 125.03 a 85.50 7.50 13.00 36.00 179.00 373.00 h 628.78 a 3311.82
2002 673.50 505.00 570.00 329.00 252.50 56.00 2.50 14.50 44.00 247.00 498.62 a 607.50 3800.12
2003 485.50 551.50 465.50 527.00 274.00 104.00 1.50 9.00 15.00 150.98 d 552.00 613.50 3749.48
2004 586.50 537.50 256.00 i 151.50 k 238.50 58.50 2.30 d 0.00 i 19.00 15.50 w 426.50 f 0.00 z 1442.30
2005 0.00 z 498.00 408.74 d 292.00 k 218.00 141.00 4.13 a 0.00 60.50 262.50 535.50 558.00 d 2686.37
2006 611.50 551.00 532.00 f 410.69 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1573.19
Period of Record Statistics
MEAN 660.16 522.59 483.66 369.98 218.44 83.49 13.87 11.64 45.30 235.10 501.43 666.50 3822.81
S.D. 71.75 72.61 70.41 80.78 56.86 34.07 13.61 9.50 32.43 58.94 67.27 87.20 256.30
SKEW -0.64 -0.39 -0.09 0.27 0.25 0.91 1.46 2.51 1.97 0.01 0.55 0.34 0.20
MAX 761.00 676.00 624.00 571.00 376.00 166.50 56.00 56.50 182.00 345.28 687.00 914.50 4347.59
MIN 485.50 312.50 340.50 228.50 95.50 38.79 0.00 0.00 3.00 118.50 377.00 520.50 3393.14
NO YRS 44 43 42 43 44 43 44 42 43 41 42 42 35