MITCHELL CAVERNS, CALIFORNIA

Monthly Total Growing Degree Days

(045721)

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
1958 0.00 z 0.00 z 11.00 l 256.00 690.50 825.00 d 1012.00 1030.00 808.50 599.00 219.31 a 179.50 5619.81
1959 88.72 b 21.00 222.50 473.50 494.50 917.50 1135.00 913.00 704.00 579.00 227.50 73.00 5849.22
1960 5.50 14.50 255.50 364.50 571.00 965.50 1092.50 1023.00 842.00 435.00 122.00 59.00 5750.00
1961 83.00 50.50 102.00 340.50 482.50 917.00 1081.50 948.50 633.50 460.00 72.00 31.00 5202.00
1962 84.50 73.50 75.50 528.21 b 450.02 a 804.00 994.00 1049.35 a 817.00 528.55 a 284.50 115.00 5804.13
1963 13.50 185.00 102.00 178.97 a 599.50 688.45 a 1031.00 918.00 820.00 525.00 165.52 a 89.38 a 5316.31
1964 27.38 a 32.48 d 88.87 a 236.67 c 496.52 a 775.56 c 1023.50 963.07 a 730.86 a 674.25 a 107.68 b 35.13 a 5191.96
1965 86.05 b 114.92 d 56.12 b 251.38 a 377.00 f 517.00 g 981.67 a 982.70 a 628.97 a 687.50 163.50 56.50 4009.30
1966 20.31 b 4.00 219.00 448.39 b 664.00 815.69 a 980.12 a 1045.00 795.00 503.48 b 188.50 55.50 5738.99
1967 57.00 99.75 d 161.09 c 61.11 c 576.37 d 702.86 b 1039.00 1054.00 716.50 625.88 b 278.00 24.00 5395.56
1968 39.78 a 139.00 157.07 a 252.00 557.48 a 908.50 1030.00 855.00 801.00 512.50 167.00 11.00 5430.33
1969 53.50 0.00 135.50 290.50 609.50 708.00 1025.50 1115.00 831.00 359.50 146.50 79.00 5353.50
1970 36.50 60.50 102.50 154.50 616.50 801.00 1072.17 b 1017.12 b 726.50 413.50 160.00 32.50 5193.29
1971 132.00 92.00 196.00 237.50 381.50 751.07 b 1076.00 920.50 745.50 350.30 a 130.86 a 0.00 5013.23
1972 7.00 l 12.50 w 0.00 z 273.50 j 448.00 f 808.93 b 1120.65 a 903.13 a 668.04 b 276.42 a 43.39 b 29.45 a 3850.01
1973 17.71 c 5.38 b 0.50 208.89 c 593.00 815.50 1025.50 952.00 737.00 478.95 a 150.54 b 51.09 d 5036.07
1974 15.00 22.96 c 139.50 a 258.33 c 648.86 b 1003.50 998.72 a 976.00 828.75 b 503.23 a 166.50 8.00 5569.36
1975 92.00 37.50 83.70 a 102.00 531.50 805.00 1007.00 962.00 812.50 406.62 a 202.50 78.03 b 5120.35
1976 103.00 68.00 111.00 202.00 630.50 815.17 a 1025.50 887.50 632.00 440.00 286.00 34.50 5235.17
1977 28.50 129.00 52.18 a 368.50 295.00 805.50 936.50 893.00 710.00 547.50 253.50 118.50 5137.68
1978 5.50 29.00 147.50 166.50 505.00 887.50 1041.50 947.00 690.00 601.00 125.50 3.00 5149.00
1979 0.00 25.00 88.50 299.00 552.00 871.50 1023.52 a 846.00 875.50 506.00 76.50 108.50 5272.02
1980 11.50 76.00 24.00 299.00 362.00 0.00 z 977.50 949.63 a 747.50 305.50 f 233.50 163.50 3844.13
1981 69.00 90.00 73.22 b 386.50 512.02 a 991.55 a 1023.50 1015.50 735.00 301.73 a 233.50 81.00 5512.53
1982 21.00 82.00 40.00 259.00 525.00 741.00 926.00 923.00 639.00 350.00 34.00 15.00 4555.00
1983 70.00 39.50 63.00 80.00 550.00 728.50 940.00 823.50 742.00 417.50 135.00 21.00 4610.00
1984 67.00 44.50 160.50 244.50 737.50 706.50 897.50 841.00 774.50 254.50 88.00 1.50 4817.50
1985 15.00 74.00 64.50 402.00 567.00 902.50 1066.00 967.00 522.50 423.00 103.50 70.00 5177.00
1986 98.50 113.00 272.50 258.00 587.00 880.50 898.00 990.50 533.50 356.50 126.00 15.50 5129.50
1987 14.00 39.50 61.00 423.50 516.00 873.50 865.00 932.00 763.50 535.00 62.00 15.00 5100.00
1988 16.50 85.00 154.00 263.50 513.00 772.50 1037.50 877.50 697.50 659.50 141.50 49.50 5267.50
1989 17.00 70.50 192.00 486.50 543.50 826.00 1068.50 859.00 729.00 443.50 257.50 93.00 5586.00
1990 18.50 75.00 209.00 331.00 490.50 877.50 0.00 z 931.00 772.00 508.00 157.50 26.00 4396.00
1991 13.50 144.50 16.50 198.50 438.50 674.00 958.50 920.50 779.00 588.00 156.00 11.50 4899.00
1992 31.00 52.00 53.00 412.00 613.50 0.00 z 950.00 982.00 818.00 505.00 79.00 0.00 4495.50
1993 2.00 4.00 183.00 333.50 564.00 699.00 674.50 727.00 556.00 269.50 75.00 24.50 4112.00
1994 85.50 13.00 221.00 337.00 506.50 973.00 1052.00 678.50 k 697.00 389.00 31.00 25.50 4330.50
1995 5.50 162.00 95.50 232.00 375.50 710.00 1041.50 1081.50 843.50 562.00 328.50 80.50 5518.00
1996 66.00 154.50 169.50 404.00 626.50 891.00 1111.00 1049.50 720.50 457.50 165.00 24.00 5839.00
1997 29.00 47.50 338.00 315.50 787.50 767.00 964.50 1022.00 771.00 429.00 148.00 20.00 5639.00
1998 30.00 0.00 116.50 202.50 341.00 659.50 1050.00 1032.00 670.50 377.50 129.50 82.00 4691.00
1999 52.50 55.00 132.50 192.50 491.50 748.00 918.00 922.25 a 768.62 a 648.93 a 298.93 b 36.88 b 5265.61
2000 71.09 b 44.54 a 137.36 b 408.62 a 693.00 891.43 b 1029.00 975.00 0.00 z 383.00 53.00 80.00 4766.03
2001 45.98 a 34.72 c 178.00 249.50 755.00 878.00 949.50 0.00 z 878.00 608.00 235.00 15.50 c 4827.20
2002 56.50 105.78 a 132.00 140.50 q 509.43 a 894.00 1065.50 1008.00 808.00 416.50 202.00 9.50 5207.21
2003 163.50 33.50 152.50 143.00 573.50 844.50 1111.00 957.50 828.00 715.50 38.00 37.50 5598.00
2004 31.00 13.50 376.50 270.00 580.00 824.50 1006.50 923.00 739.00 363.00 38.00 37.50 5202.50
2005 30.50 0.61 e 78.00 0.00 z 0.00 z 572.00 h 1069.50 896.50 694.00 438.00 243.00 74.00 3524.11
2006 32.50 134.50 31.00 a 228.89 c 23.50 z 0.00 z 96.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 426.89
Period of Record Statistics
MEAN 45.82 63.67 132.36 283.48 548.99 821.52 1008.58 952.33 740.03 476.87 156.86 49.61 5250.74
S.D. 36.72 48.31 80.51 107.34 104.77 89.04 79.49 75.37 83.34 115.38 78.58 41.32 380.26
SKEW 1.04 0.65 0.88 0.20 -0.12 0.08 -1.64 -0.35 -0.72 0.13 0.23 1.16 -0.70
MAX 163.50 185.00 376.50 528.21 787.50 1003.50 1135.00 1115.00 878.00 715.50 328.50 179.50 5849.22
MIN 0.00 0.00 0.50 61.11 295.00 659.50 674.50 727.00 522.50 254.50 31.00 0.00 4112.00
NO YRS 47 47 47 46 45 44 47 46 47 47 48 48 37