MOUNT HAMILTON, CALIFORNIA

Monthly Total Growing Degree Days

(045933)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 839.00 803.00 759.00 292.50 k 162.00 f 39.04 d 2440.04
1949 11.00 o 12.50 k 0.00 z 53.50 x 392.84 b 758.28 a 948.50 766.50 770.50 496.00 550.50 119.50 4802.62
1950 53.00 164.89 a 147.00 355.50 539.40 a 616.61 b 1045.73 a 118.00 z 0.00 z 0.00 z 407.14 b 280.55 a 3609.82
1951 120.68 c 0.00 z 181.87 a 354.00 469.00 753.50 968.50 942.50 878.00 439.17 a 246.21 a 38.00 5391.42
1952 48.00 109.50 103.50 245.69 a 481.00 386.50 1022.00 965.00 787.00 677.50 185.50 75.50 5086.69
1953 182.50 95.50 111.00 186.50 160.68 a 383.50 979.50 683.00 794.00 0.00 z 0.00 z 209.00 3785.18
1954 66.50 343.00 115.50 381.50 558.50 534.50 1001.50 710.50 634.50 498.50 314.00 131.50 5290.00
1955 64.00 86.07 a 127.50 75.00 390.50 546.00 738.83 a 1035.50 844.04 d 574.00 237.41 a 101.02 b 4819.88
1956 36.50 36.85 e 145.91 b 235.50 390.50 603.50 960.47 b 826.50 793.50 380.00 442.00 329.00 5180.23
1957 34.00 169.00 137.00 259.50 327.00 767.00 922.50 794.50 758.00 351.50 206.50 236.50 4963.00
1958 117.00 77.50 9.50 258.00 482.10 b 526.50 880.18 c 1040.16 c 751.61 b 724.33 e 368.40 e 318.50 k 5235.28
1959 155.00 d 74.15 a 101.50 s 454.44 c 323.20 d 692.31 d 905.00 g 937.20 c 446.00 g 659.86 c 504.60 e 221.50 i 3800.76
1960 51.15 a 64.69 c 268.67 d 255.50 374.87 d 921.43 b 795.00 i 966.17 d 582.50 j 503.75 c 129.50 g 85.00 j 3406.22
1961 294.50 e 119.91 e 63.50 f 328.39 b 48.00 v 839.48 a 793.00 h 779.00 f 676.07 b 453.50 h 207.22 c 184.85 d 2650.43
1962 243.41 d 111.46 b 88.72 b 397.78 c 310.00 b 708.21 b 0.00 z 900.79 e 803.79 a 558.52 a 315.00 e 296.10 b 4733.79
1963 146.70 c 258.46 b 64.77 c 81.67 c 413.91 d 586.50 822.57 b 883.00 814.44 c 270.00 n 193.85 d 286.15 e 4552.01
1964 56.04 e 160.10 e 100.50 f 241.80 e 363.06 e 544.20 e 743.00 f 922.25 c 551.00 f 731.37 d 86.50 i 75.00 g 3018.82
1965 153.50 g 174.42 d 92.50 f 186.50 f 445.48 d 369.00 i 701.00 f 918.24 b 0.00 z 769.32 a 207.86 b 163.04 d 2678.35
1966 85.25 c 38.00 i 218.07 b 490.00 c 572.95 c 732.60 e 829.54 d 1041.48 e 472.00 i 486.00 h 126.00 k 91.00 q 3969.88
1967 135.00 h 213.65 e 102.76 d 0.00 b 392.00 h 648.00 e 835.00 g 1192.31 e 850.38 d 641.46 e 382.22 c 120.38 a 4151.17
1968 175.00 238.44 b 241.28 a 339.64 b 434.52 a 822.00 1046.25 c 826.48 c 816.72 a 578.00 240.00 b 73.48 d 5831.82
1969 153.40 b 16.00 156.50 p 210.00 a 567.96 c 432.00 g 1044.50 1075.18 a 848.00 420.57 a 413.50 168.71 e 4917.82
1970 93.50 173.00 194.02 b 180.00 637.64 b 736.00 1068.00 1003.50 812.50 544.00 270.00 55.50 5767.66
1971 245.50 192.00 157.00 181.50 285.00 628.00 1022.50 1011.50 788.50 460.50 194.46 b 28.13 d 5194.59
1972 155.00 d 172.00 372.50 227.00 581.50 782.50 1041.60 a 912.50 680.69 a 377.88 b 137.14 b 139.50 e 5579.81
1973 64.21 c 61.70 a 22.22 a 330.50 658.50 825.00 a 1036.90 b 945.00 733.97 a 516.50 94.66 a 134.16 b 5423.31
1974 115.39 d 99.50 160.17 a 215.69 a 509.36 b 782.00 694.50 f 232.50 w 571.50 m 584.35 a 243.21 b 91.97 a 2801.64
1975 269.50 104.00 65.50 81.50 548.50 749.00 858.38 b 876.50 942.50 414.50 232.50 283.00 5425.38
1976 308.50 133.00 143.50 156.00 588.00 670.50 923.50 674.00 734.00 663.40 a 507.50 340.50 5842.40
1977 204.00 271.50 96.50 380.50 193.50 820.50 923.80 a 997.00 666.50 621.00 345.50 234.00 5754.30
1978 105.50 136.00 250.50 160.50 548.50 694.00 986.00 949.50 700.00 783.50 228.00 129.00 5671.00
1979 49.50 82.50 189.00 207.50 604.50 782.50 961.00 819.00 889.50 503.00 241.50 305.19 b 5634.69
1980 177.00 192.12 a 79.00 278.50 358.00 544.50 950.50 931.50 769.14 a 704.00 399.50 406.50 5790.26
1981 234.50 167.50 95.50 304.00 469.50 873.50 1047.50 1048.00 856.00 413.00 270.50 204.60 a 5984.10
1982 117.50 135.00 58.00 231.50 543.50 581.50 926.50 939.50 631.00 451.50 182.00 122.00 4919.50
1983 202.00 98.00 a 65.50 85.50 553.00 679.50 800.50 925.00 843.50 559.50 169.14 a 101.00 5082.14
1984 288.30 a 151.50 265.50 211.00 685.00 721.00 1084.00 963.00 921.50 359.50 84.00 50.63 a 5784.93
1985 161.00 211.00 78.50 440.50 333.00 875.69 a 1036.00 877.00 506.00 492.50 0.00 z 0.00 z 5011.19
1986 286.50 167.50 332.00 216.50 493.00 757.50 857.00 1039.50 461.00 529.00 350.50 182.00 5672.00
1987 63.50 110.00 137.00 424.66 a 554.12 c 799.50 729.00 942.50 833.50 659.50 147.50 35.65 a 5436.43
1988 142.00 290.50 256.00 291.50 397.50 775.00 1169.00 1076.00 931.50 823.50 253.50 193.00 6599.00
1989 220.00 159.00 270.50 562.50 568.00 763.50 936.20 a 850.50 720.50 498.00 396.50 370.50 6315.70
1990 60.00 104.00 222.50 382.50 366.00 663.50 1013.50 873.00 729.50 652.50 299.50 118.50 5485.00
1991 151.00 311.50 32.50 142.00 315.17 a 593.00 1020.50 842.50 978.50 770.50 362.50 182.50 5702.17
1992 187.50 109.50 116.00 395.50 707.00 646.50 829.77 a 1030.50 832.50 624.00 273.50 34.50 5786.77
1993 51.67 a 42.00 225.00 190.50 379.00 633.50 857.00 917.00 833.50 597.50 267.00 141.00 5134.67
1994 258.16 b 56.50 264.50 290.00 398.50 726.50 1028.00 978.00 767.50 482.00 33.50 83.00 5366.16
1995 63.50 360.50 105.50 146.50 339.00 584.48 a 885.50 966.50 841.00 680.00 463.97 a 152.00 5588.45
1996 153.00 183.00 249.00 293.00 465.00 746.50 1101.00 1088.00 744.00 495.50 223.00 107.00 5848.00
1997 114.00 82.50 340.50 263.00 640.00 606.00 909.50 847.50 790.50 467.00 205.00 66.50 5332.00
1998 80.00 6.00 137.50 165.00 110.50 495.50 964.00 1105.50 731.00 434.50 115.50 170.00 4515.00
1999 216.00 59.63 a 34.00 228.62 a 403.00 630.50 884.02 a 810.00 926.38 a 772.50 303.00 230.50 5498.15
2000 88.50 90.11 a 172.00 324.31 a 487.73 a 869.00 846.50 982.50 728.50 437.00 174.00 307.50 5507.65
2001 155.00 15.50 259.50 178.00 796.00 759.50 944.50 991.50 843.50 707.50 300.00 60.50 6011.00
2002 93.00 206.00 181.00 284.00 455.50 745.00 1031.00 967.00 841.50 575.50 380.00 92.50 5852.00
2003 378.00 73.00 198.50 76.00 465.00 794.00 1080.00 888.50 946.00 752.50 117.50 91.00 5860.00
2004 114.00 45.50 437.00 358.97 a 447.50 705.00 973.50 933.50 790.00 444.50 168.62 a 215.00 5633.09
2005 220.10 a 98.00 238.00 198.00 428.00 495.52 a 1107.50 1060.50 674.00 508.50 387.41 a 185.50 5601.03
2006 120.50 235.41 a 16.50 177.50 572.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1122.41
Period of Record Statistics
MEAN 147.08 139.99 165.02 257.33 462.19 689.20 957.66 932.60 784.30 564.69 273.91 163.40 5544.25
S.D. 82.60 82.00 96.00 114.33 133.88 120.53 97.68 106.06 101.68 126.12 116.09 96.34 401.11
SKEW 0.65 0.74 0.57 0.26 -0.15 -0.47 -0.30 -0.28 -0.79 0.26 0.34 0.63 -0.11
MAX 378.00 360.50 437.00 562.50 796.00 921.43 1169.00 1192.31 978.50 823.50 550.50 406.50 6599.00
MIN 34.00 6.00 9.50 0.00 110.50 383.50 729.00 674.00 461.00 351.50 33.50 28.13 4515.00
NO YRS 55 55 52 56 56 55 50 55 51 52 52 52 40