POTTER VALLEY P H, CALIFORNIA

Monthly Total Growing Degree Days

(047109)

Base Temperature = 50 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 649.50 638.00 518.50 334.00 60.00 0.00 2200.00
1949 0.00 21.00 34.50 257.50 370.00 622.00 733.00 603.50 592.50 293.00 205.50 7.00 3739.50
1950 11.50 46.50 67.17 a 211.00 401.00 501.50 821.00 759.00 556.00 334.00 177.50 45.00 3931.17
1951 9.50 37.00 99.50 244.00 354.50 575.00 697.00 723.50 625.00 280.00 99.00 10.50 3754.50
1952 5.00 19.00 74.00 214.00 404.00 417.50 845.50 702.00 635.00 450.00 74.00 7.50 3847.50
1953 35.00 50.00 73.50 158.28 a 195.00 310.80 e 738.04 e 413.00 i 657.41 a 211.50 g 104.46 b 4.50 f 2322.49
1954 3.44 d 70.56 c 48.64 b 235.00 c 274.00 i 435.00 527.00 h 289.50 p 462.00 208.50 i 91.67 c 3.00 k 1346.31
1955 3.00 i 11.50 i 48.00 i 31.50 i 283.50 f 505.38 d 459.00 h 470.00 k 537.12 d 349.94 e 64.04 d 38.75 c 1495.23
1956 6.31 d 4.50 71.54 e 143.50 f 309.45 c 524.40 e 772.23 c 508.00 g 300.00 l 35.00 t 43.00 q 9.50 f 1688.43
1957 0.00 a 76.74 a 69.50 184.50 316.09 c 450.50 f 485.00 i 604.00 538.45 a 211.63 e 24.00 i 3.50 i 2000.91
1958 5.50 i 62.42 d 12.50 g 95.00 j 318.00 h 366.00 i 587.00 i 699.00 f 622.24 a 452.71 b 130.86 a 48.50 g 1268.23
1959 21.00 n 17.00 h 72.00 l 302.22 c 204.00 g 532.76 a 825.63 a 157.00 y 91.50 x 331.50 h 106.20 e 10.50 h 1766.81
1960 11.33 e 11.71 c 122.50 j 110.50 h 181.00 j 455.50 l 596.50 i 454.50 l 419.00 i 220.00 i 45.50 j 4.50 g 23.04
1961 29.85 d 30.50 g 41.73 e 166.00 g 132.50 l 422.00 k 461.00 l 558.00 i 292.00 l 229.00 i 51.50 h 1.00 i 71.58
1962 31.00 f 10.00 g 41.73 e 180.50 h 150.50 j 400.00 i 449.00 l 450.50 j 371.00 j 199.00 h 67.50 j 30.00 k 41.73
1963 5.00 g 90.50 h 15.50 h 39.00 g 236.00 h 0.00 z 323.00 n 472.00 h 430.50 h 197.00 j 36.50 h 5.00 l 0.00
1964 0.00 h 17.00 i 23.00 n 44.00 m 181.00 j 282.50 l 498.00 i 502.50 i 359.00 j 242.50 l 42.00 h 42.33 e 42.33
1965 11.50 h 12.00 g 30.00 l 198.00 e 216.00 g 278.50 l 428.50 m 406.50 l 375.00 g 260.50 k 71.50 h 2.00 m 198.00
1966 9.00 g 0.00 g 90.50 f 230.00 h 291.50 j 348.00 i 437.50 i 354.50 r 266.50 o 188.00 l 68.00 l 5.50 h 0.00
1967 6.00 j 45.50 g 17.00 i 2.00 g 200.50 m 320.00 k 421.50 n 424.00 n 369.00 m 240.50 h 114.00 h 1.00 i 0.00
1968 7.00 g 94.85 e 84.50 k 205.00 c 293.93 d 358.00 j 739.87 a 608.63 a 582.00 300.00 80.50 1.00 2905.78
1969 5.50 6.50 95.30 d 137.00 472.00 527.07 a 772.00 764.50 646.00 278.50 106.50 30.00 3840.87
1970 32.50 81.50 139.00 70.00 423.00 583.39 b 811.00 728.50 574.00 319.00 107.00 18.00 3886.89
1971 43.50 67.00 58.50 111.50 284.50 452.00 770.00 753.50 574.50 311.03 a 62.50 0.00 3488.53
1972 2.58 a 48.16 a 166.00 131.00 380.50 566.50 735.00 741.50 476.00 288.00 38.50 5.00 q 3573.74
1973 6.64 c 20.00 23.50 231.11 c 438.65 a 596.50 734.00 664.50 265.50 o 227.00 h 55.18 b 0.00 z 2770.08
1974 18.48 e 4.50 93.00 a 122.00 334.00 563.50 694.00 752.00 695.77 d 376.00 68.00 15.50 a 3736.75
1975 29.97 a 20.50 44.43 a 65.69 a 397.32 a 548.79 a 688.50 682.00 642.50 237.00 58.50 14.00 3429.20
1976 10.50 27.50 53.00 86.00 368.00 489.50 714.00 573.00 543.00 369.00 203.00 2.50 3439.00
1977 5.50 75.50 36.68 a 200.50 126.58 a 643.00 706.50 724.00 493.00 289.50 62.78 c 0.00 z 3363.54
1978 18.37 d 65.50 165.50 134.00 351.50 508.50 779.17 e 763.00 506.50 461.00 65.89 b 5.00 3823.94
1979 5.50 3.00 106.50 117.50 393.00 519.50 711.50 612.00 598.50 328.71 b 40.50 g 14.50 l 3395.71
1980 19.50 51.50 35.00 155.00 248.00 339.00 0.00 z 653.50 516.00 344.00 69.11 b 30.00 2460.61
1981 22.00 44.50 49.50 193.00 331.50 608.00 737.00 708.50 558.50 189.74 b 0.00 z 20.00 3462.24
1982 0.00 51.00 41.50 152.50 391.00 500.50 671.00 671.50 498.50 274.00 19.00 10.50 3281.00
1983 4.00 15.00 34.00 54.50 367.00 477.00 583.00 671.50 591.50 364.00 57.50 20.00 3239.00
1984 49.00 18.00 122.50 91.50 345.50 485.50 815.50 657.00 564.00 190.50 18.50 8.00 3365.50
1985 7.50 72.50 36.50 285.00 270.00 626.50 778.50 610.50 404.50 285.50 63.50 6.00 3446.50
1986 21.50 75.50 188.00 144.50 0.00 z 301.50 o 650.50 739.50 324.50 319.00 62.50 1.50 2527.00
1987 1.50 18.00 45.00 236.00 403.50 586.50 551.50 695.50 527.00 412.00 70.50 23.50 3570.50
1988 8.00 76.00 96.50 165.00 215.50 449.00 0.00 z 0.00 z 592.00 391.50 45.00 c 22.00 2060.50
1989 14.00 0.00 z 74.00 0.00 z 267.63 a 494.50 590.00 603.00 458.00 238.00 67.00 10.00 2816.13
1990 8.50 24.00 105.00 251.50 253.00 439.00 751.00 685.50 530.89 b 347.50 44.50 0.00 3440.39
1991 11.00 72.00 27.00 86.00 215.50 421.50 779.00 628.00 659.50 462.00 94.50 0.00 3456.00
1992 2.00 52.50 81.50 201.50 514.50 520.50 652.00 499.00 i 536.50 365.00 85.50 0.50 3012.00
1993 6.50 16.50 151.00 92.50 270.00 431.00 613.50 606.50 518.00 345.00 46.50 5.50 3102.50
1994 4.50 9.50 120.50 158.00 315.50 443.00 767.50 621.00 520.00 227.50 0.00 0.00 3187.00
1995 13.50 94.00 47.50 112.00 304.50 440.50 667.50 651.00 535.00 332.50 152.50 33.50 3384.00
1996 8.00 85.50 137.00 202.00 320.50 528.00 801.50 731.50 523.50 285.00 65.00 18.50 3706.00
1997 19.00 25.50 135.50 178.00 437.50 476.50 707.50 638.50 527.50 249.00 106.00 7.00 3507.50
1998 18.50 3.00 96.50 142.00 134.50 485.00 717.50 732.50 576.50 225.50 21.00 1.50 3154.00
1999 2.00 1.00 23.00 177.50 279.00 470.00 604.00 617.42 a 620.50 342.00 110.50 13.00 3259.92
2000 6.00 21.50 101.50 221.38 a 338.00 642.50 636.53 a 673.50 511.00 270.50 41.50 4.00 3467.91
2001 0.00 9.00 178.50 106.50 540.00 516.50 739.50 722.00 580.50 406.00 75.00 7.50 3881.00
2002 5.00 57.50 94.50 221.00 315.50 562.50 788.00 707.00 567.00 291.50 77.00 6.50 3693.00
2003 45.50 23.00 100.00 52.50 348.00 575.50 822.00 672.50 622.00 390.00 18.50 13.00 3682.50
2004 13.00 2.50 266.00 242.00 368.00 0.00 z 781.50 696.00 532.00 283.50 36.00 18.00 3238.50
2005 6.00 48.00 130.00 136.00 335.50 412.50 821.00 765.50 469.00 297.00 72.50 21.00 h 3493.00
2006 14.00 42.00 5.50 152.00 414.37 a 639.11 b 503.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1266.97
Period of Record Statistics
MEAN 12.94 40.06 85.96 166.49 336.81 510.95 726.45 679.91 551.91 319.79 76.97 12.93 3542.83
S.D. 12.29 28.35 52.55 62.54 86.49 76.98 73.12 55.54 69.08 69.36 44.04 12.31 243.85
SKEW 1.39 0.28 1.05 0.05 -0.19 -0.26 -0.51 -0.08 -0.60 0.25 1.15 1.05 -0.06
MAX 49.00 94.85 266.00 302.22 540.00 643.00 845.50 765.50 695.77 462.00 205.50 45.00 3931.17
MIN 0.00 1.00 5.50 52.50 126.58 310.80 551.50 573.00 324.50 189.74 0.00 0.00 3102.50
NO YRS 48 48 48 47 45 45 44 42 47 45 46 40 29