CLEARLAKE 4 SE, CALIFORNIA

Monthly Total Growing Degree Days

(041806)

Base Temperature = 40 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 0.00 z 0.00 z 0.00 z 0.00 z 81.50 y 296.00 93.00 389.00
1955 50.50 109.00 242.50 260.50 630.00 807.50 950.00 1006.00 832.00 590.50 261.00 198.50 5938.00
1956 136.50 90.00 295.50 389.00 606.50 849.00 1063.50 970.00 781.00 526.50 255.00 93.00 6055.50
1957 30.00 225.00 297.00 437.00 568.50 928.00 1040.00 948.00 869.50 512.00 0.00 z 0.00 z 5855.00
1958 0.00 z 0.00 z 142.50 387.00 704.50 832.00 1121.00 1168.18 a 903.62 a 427.00 k 372.00 e 225.50 5856.30
1959 48.00 u 93.00 j 404.00 585.00 612.00 938.50 1146.00 1046.00 803.00 700.71 b 325.18 b 83.00 i 6560.39
1960 58.50 f 123.00 f 302.50 h 145.00 r 288.50 q 364.50 s 0.00 z 474.00 p 835.00 568.00 107.50 o 149.00 1552.00
1961 105.00 197.00 242.00 423.50 550.00 969.00 1101.50 1067.43 a 748.00 569.00 247.22 c 46.50 b 6266.16
1962 34.50 n 118.00 180.00 516.00 571.50 846.50 768.00 h 965.65 a 433.00 o 571.95 a 315.50 168.00 4253.10
1963 24.59 b 0.00 z 205.12 a 152.50 k 0.00 z 627.50 g 935.50 936.00 808.50 546.00 235.00 102.00 3792.70
1964 48.00 165.00 225.50 353.50 504.00 771.00 1009.00 1018.00 754.50 632.00 190.34 a 190.00 5860.84
1965 130.50 141.50 258.33 a 377.50 564.50 775.00 965.50 983.00 658.00 585.00 232.22 c 34.74 b 5705.80
1966 67.50 48.00 237.00 485.50 674.00 819.00 888.50 1049.00 770.00 542.50 303.00 169.00 6053.00
1967 102.50 183.50 180.50 120.00 626.00 796.00 1099.50 1101.50 917.22 c 586.00 379.00 111.50 6203.22
1968 66.00 f 257.50 281.50 403.33 c 586.50 868.00 1060.00 897.00 0.00 z 0.00 z 250.00 54.50 4658.33
1969 65.00 47.50 232.00 358.50 716.50 818.00 1061.00 1064.50 908.50 515.93 c 290.50 194.50 6272.43
1970 180.50 228.50 307.50 281.50 689.23 a 846.50 1068.00 995.50 779.50 532.00 318.50 70.00 6297.23
1971 113.00 149.00 219.00 341.50 577.50 785.00 1079.00 1074.00 779.00 435.50 209.00 24.00 5785.50
1972 78.50 166.00 375.50 377.50 675.50 890.00 1099.00 1094.00 753.00 523.50 181.50 68.50 6282.50
1973 60.00 168.00 204.50 488.00 795.50 944.00 1129.50 999.50 815.50 546.00 230.50 124.00 6505.00
1974 107.00 70.50 265.00 319.50 652.00 892.50 1039.00 1047.50 911.00 603.00 200.00 85.00 6192.00
1975 87.00 103.50 207.50 218.50 642.00 858.50 968.50 964.50 865.50 500.50 200.00 124.00 5740.00
1976 78.50 169.50 235.00 297.00 764.50 830.00 1094.50 869.00 775.00 613.00 368.50 88.00 6182.50
1977 67.50 227.00 229.50 536.50 482.00 1022.50 1099.50 838.00 g 737.50 577.00 270.50 161.00 5410.50
1978 156.50 190.00 390.00 322.00 656.00 821.50 1070.00 1070.00 725.50 648.00 189.00 42.50 6281.00
1979 66.00 108.50 311.00 398.00 705.50 882.50 1050.50 992.50 878.50 589.50 210.50 112.00 6305.00
1980 146.50 231.50 243.50 423.00 601.50 716.38 a 1046.00 1019.50 801.50 595.00 275.00 152.00 6251.38
1981 144.00 193.00 249.50 474.50 705.00 986.00 1088.00 1088.00 909.00 465.00 321.50 180.00 6803.50
1982 28.50 155.00 163.00 318.00 703.00 819.00 997.00 1032.00 762.00 500.00 158.00 76.50 5712.00
1983 110.50 170.00 232.00 251.50 585.00 782.50 867.00 957.50 812.50 569.50 174.50 169.50 5682.00
1984 204.50 155.00 395.00 353.00 680.00 831.00 1140.50 989.50 882.50 473.50 201.50 77.50 6383.50
1985 125.50 219.00 194.50 562.00 600.50 952.00 1112.50 954.50 715.00 0.00 z 0.00 z 0.00 z 5435.50
1986 0.00 z 0.00 z 235.50 r 446.50 637.00 900.50 993.50 1060.50 650.00 594.50 344.00 122.00 5748.50
1987 89.50 164.00 220.50 517.50 728.50 883.50 911.50 1007.00 856.00 687.50 229.50 130.50 6425.50
1988 113.50 277.00 346.50 458.50 554.00 784.50 1159.50 1034.50 847.50 680.50 244.50 153.50 6654.00
1989 134.00 98.00 267.00 525.00 615.00 835.00 984.50 932.00 729.50 511.50 301.50 155.50 6088.50
1990 123.50 114.00 316.50 514.00 584.50 812.50 1079.00 1005.00 832.50 611.50 259.50 46.00 6298.50
1991 145.50 271.00 138.50 338.00 526.50 753.50 1083.00 912.00 923.00 727.50 327.50 133.50 6279.50
1992 94.00 241.50 0.00 z 502.00 824.00 847.50 961.50 1071.00 821.00 666.50 269.00 89.00 6387.00
1993 92.00 97.50 388.00 377.00 546.00 737.00 958.00 938.50 808.00 652.00 256.00 115.50 5965.50
1994 163.50 104.00 387.00 447.50 630.00 794.50 1088.50 971.50 815.00 534.50 102.50 60.00 6098.50
1995 199.95 a 289.00 234.50 356.00 583.00 789.00 1018.00 1031.50 883.50 656.00 435.00 256.50 6731.95
1996 193.50 288.50 338.00 405.00 535.00 862.50 1140.50 960.50 726.50 577.50 366.67 c 193.00 6587.17
1997 180.00 222.50 374.50 430.00 744.00 807.50 1018.50 945.00 799.50 528.50 315.00 133.50 6498.50
1998 176.50 106.50 271.50 317.00 362.50 723.50 1021.50 1056.50 865.00 489.00 229.00 109.50 5728.00
1999 120.50 79.00 136.50 340.86 a 577.12 a 767.50 923.00 925.50 887.50 651.00 311.50 159.50 5879.48
2000 133.09 b 166.23 a 277.50 460.34 a 623.10 a 908.00 925.35 a 1019.00 773.00 545.50 190.71 b 130.00 6151.83
2001 63.15 d 104.50 345.98 c 329.00 829.25 a 872.50 1055.00 1053.00 881.00 717.50 0.00 z 128.13 a 6379.01
2002 101.50 179.50 222.50 427.50 582.50 922.00 1109.00 1040.50 884.50 608.50 338.00 148.50 6564.50
2003 263.00 138.50 318.00 226.50 589.50 872.00 1106.50 934.50 914.00 697.50 181.50 115.00 6356.50
2004 110.00 158.00 470.50 461.50 634.00 854.00 1032.00 998.00 831.50 543.50 265.00 191.50 6549.50
2005 60.50 210.00 328.50 330.50 571.00 647.07 a 1097.92 a 1026.00 742.50 556.50 317.00 170.50 6057.99
2006 147.50 194.50 82.50 337.76 a 682.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1444.76
Period of Record Statistics
MEAN 113.45 165.74 267.55 392.13 627.76 841.87 1041.95 1005.91 815.56 580.29 265.50 125.01 6196.76
S.D. 51.69 63.04 81.49 95.88 87.23 73.49 73.09 60.27 68.80 69.32 67.85 52.69 299.00
SKEW 0.50 0.13 0.23 -0.28 0.01 0.07 -0.57 0.08 -0.32 0.28 0.12 0.12 -0.03
MAX 263.00 289.00 470.50 585.00 829.25 1022.50 1159.50 1168.18 923.00 727.50 435.00 256.50 6803.50
MIN 24.59 47.50 82.50 120.00 362.50 647.07 867.00 869.00 650.00 435.50 102.50 24.00 5682.00
NO YRS 46 47 49 50 50 49 49 49 49 48 48 49 39