ALPINE, CALIFORNIA

Monthly Total Growing Degree Days

(040136)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200601
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
1952 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 583.50 0.00 z 70.00 653.50
1953 196.50 102.00 144.50 162.00 274.50 468.00 798.00 701.00 627.00 479.00 290.00 98.00 4340.50
1954 54.00 211.00 78.00 250.00 380.78 a 496.50 856.50 661.50 672.00 479.00 327.50 116.50 4583.28
1955 29.34 c 88.00 187.50 207.00 318.00 491.00 666.50 865.50 749.00 421.00 189.23 d 120.68 c 4332.75
1956 87.50 12.00 169.50 180.00 409.50 587.50 727.50 651.50 805.00 360.50 319.00 144.50 4454.00
1957 48.00 172.00 162.50 221.50 300.00 667.00 820.00 802.00 659.50 351.50 122.00 162.50 4488.50
1958 90.00 135.50 66.00 289.14 a 487.00 541.50 680.00 822.50 753.00 614.83 a 260.00 326.02 a 5065.49
1959 238.50 78.50 361.50 433.50 368.00 661.50 915.00 812.00 654.50 595.50 422.50 210.50 5751.50
1960 84.00 73.50 284.50 362.00 481.00 689.50 924.00 792.50 833.50 487.00 220.50 154.00 5386.00
1961 242.00 186.00 154.50 345.50 325.00 641.50 762.00 788.50 606.50 451.00 176.00 84.00 4762.50
1962 135.00 49.50 51.00 331.00 268.50 458.00 638.50 792.50 642.50 419.50 207.50 114.00 4107.50
1963 31.00 204.00 90.00 119.50 307.00 376.50 669.00 715.50 799.50 523.50 217.50 190.00 4243.00
1964 53.00 97.00 130.00 226.00 333.50 504.00 841.50 766.00 613.00 675.00 211.50 92.00 4542.50
1965 162.00 136.00 128.00 302.50 346.50 391.50 716.00 863.50 541.00 656.00 242.00 124.50 4609.50
1966 90.00 61.70 a 252.00 347.00 444.50 576.00 800.50 832.00 700.00 562.50 301.50 168.00 5135.70
1967 163.50 224.50 207.50 58.50 454.00 444.00 844.00 957.00 702.00 667.50 394.50 87.50 5204.50
1968 128.50 275.50 259.50 309.50 440.50 613.50 843.50 743.50 718.00 551.50 313.00 120.50 5317.00
1969 180.50 41.00 193.00 295.00 440.50 441.50 0.00 z 896.00 777.50 421.50 344.00 141.00 4171.50
1970 128.00 192.50 208.00 211.50 466.50 568.39 b 868.50 889.50 730.50 507.37 a 226.00 70.00 5066.76
1971 205.00 153.00 253.00 263.50 277.28 d 583.00 837.00 0.00 z 735.50 452.00 226.50 17.50 4003.28
1972 103.50 213.00 336.87 a 325.00 495.00 572.50 903.28 b 827.50 619.66 a 397.00 0.00 z 135.00 4928.30
1973 65.00 94.50 40.50 221.00 458.00 700.50 0.00 z 673.50 f 575.69 a 587.45 a 166.55 a 160.50 3069.69
1974 109.00 163.92 d 220.50 350.69 a 410.23 a 702.50 814.30 c 735.14 c 751.11 c 446.40 a 272.14 b 93.57 d 5069.51
1975 238.81 d 168.54 b 151.56 d 127.50 d 413.16 b 506.38 a 698.02 a 762.71 b 590.50 g 343.50 f 298.39 b 166.50 3531.56
1976 266.27 c 157.43 a 194.78 a 218.08 d 481.03 b 717.78 c 747.62 a 750.00 590.69 a 544.00 392.68 b 193.75 a 5254.10
1977 114.00 272.74 a 97.50 340.34 a 269.50 591.00 836.50 804.00 690.54 b 605.50 392.07 a 287.50 5301.19
1978 147.00 178.23 b 290.00 223.93 b 516.31 b 740.17 a 901.50 790.50 697.50 652.03 a 224.44 c 65.50 5427.12
1979 52.50 93.85 a 166.37 a 315.50 474.62 b 753.33 c 835.97 a 774.50 930.00 c 484.78 b 234.64 b 243.87 a 5359.92
1980 155.53 b 232.00 a 164.00 337.00 291.50 640.00 912.50 825.00 670.34 a 621.66 c 331.03 a 295.57 b 5476.14
1981 246.93 b 254.15 b 186.50 334.50 467.50 804.00 859.50 926.38 a 771.00 432.50 338.50 235.50 5856.97
1982 86.00 0.00 z 171.00 302.50 389.00 441.50 802.00 863.50 731.00 544.00 202.00 110.50 4643.00
1983 197.50 140.50 156.00 177.50 440.50 506.50 774.50 889.50 845.00 577.50 237.00 149.50 5091.50
1984 208.00 198.50 0.00 z 312.00 604.00 579.50 897.50 840.00 903.00 434.00 180.50 68.00 5225.00
1985 73.00 157.00 140.00 403.50 391.00 677.50 872.50 807.50 563.50 499.50 188.50 234.50 5008.00
1986 317.00 195.50 267.50 294.00 429.50 607.00 713.00 864.00 480.00 467.50 343.00 157.00 5135.00
1987 121.00 139.50 155.50 427.50 425.50 549.50 579.00 679.00 710.50 615.50 245.00 92.00 4739.50
1988 159.00 269.00 297.00 320.00 436.00 474.00 759.00 710.00 648.00 564.00 258.00 170.50 5064.50
1989 119.50 152.50 291.50 452.50 397.00 578.00 817.50 693.00 754.00 502.50 391.03 a 259.00 5408.03
1990 176.50 111.50 217.00 318.50 408.34 b 693.50 831.50 710.00 728.50 0.00 z 338.00 142.50 4675.84
1991 125.50 288.00 93.50 259.00 337.50 419.00 637.50 736.50 0.00 z 674.50 368.50 145.50 4085.00
1992 184.00 202.00 0.00 z 418.50 482.50 0.00 z 761.50 900.50 801.50 550.50 0.00 z 75.00 4376.00
1993 116.00 90.50 289.00 371.00 491.00 0.00 z 605.50 739.50 717.50 546.00 284.50 161.50 4412.00
1994 256.50 99.00 262.50 261.50 327.50 685.00 706.00 0.00 z 725.50 0.00 z 147.00 129.00 3599.50
1995 93.50 294.50 218.00 258.50 280.50 516.00 824.50 952.00 815.50 566.00 448.50 205.00 5472.50
1996 193.50 201.50 230.50 425.00 501.50 616.55 a 860.00 890.50 674.50 0.00 z 312.00 200.00 5105.55
1997 144.00 124.00 0.00 z 0.00 z 627.50 529.50 704.50 882.00 859.50 546.50 340.00 121.50 4879.00
1998 0.00 z 63.50 206.00 0.00 z 0.00 z 466.50 0.00 z 972.00 0.00 z 0.00 z 0.00 z 0.00 z 1708.00
1999 196.50 133.50 139.00 221.00 368.00 526.50 773.45 a 823.00 606.00 e 726.36 b 0.00 z 226.30 a 4739.61
2000 230.84 c 154.84 a 215.00 390.52 a 389.50 h 651.50 739.57 c 843.31 d 722.88 d 418.50 a 195.00 b 199.50 j 4561.97
2001 117.91 c 97.44 c 230.43 a 244.14 a 378.00 i 671.50 672.59 c 669.50 f 732.69 d 599.00 298.80 e 77.00 h 3664.50
2002 149.50 236.00 179.50 227.50 375.00 579.50 724.00 725.50 529.50 i 368.50 377.00 110.00 4052.00
2003 401.50 154.00 263.00 185.50 430.50 475.00 638.50 g 911.00 762.50 705.85 e 228.00 34.00 t 4516.85
2004 144.50 52.50 341.50 358.00 542.50 294.00 n 750.00 739.23 e 604.00 f 218.50 m 87.50 l 39.00 v 2928.23
2005 111.50 m 47.50 n 131.50 n 0.00 z 243.00 o 161.00 u 145.00 y 138.00 z 29.50 z 0.00 z 0.00 z 161.50 i 0.00
2006 106.50 j 0.00 z 0.00 z 88.50 p 181.50 r 387.00 n 368.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 150.12 154.45 195.77 286.73 409.88 574.94 781.72 806.66 710.59 530.57 277.52 150.96 5001.77
S.D. 75.94 69.83 76.29 87.57 85.55 102.36 87.72 80.97 93.15 95.37 79.02 66.29 454.84
SKEW 0.81 0.15 0.05 -0.25 0.19 0.09 -0.34 0.07 -0.01 0.05 0.18 0.63 -0.26
MAX 401.50 294.50 361.50 452.50 627.50 804.00 924.00 972.00 930.00 726.36 448.50 326.02 5856.97
MIN 29.34 12.00 40.50 58.50 268.50 376.50 579.00 651.50 480.00 351.50 122.00 17.50 4107.50
NO YRS 51 51 49 50 49 49 48 48 47 47 47 48 31