ALPINE, CALIFORNIA

Monthly Total Growing Degree Days

(040136)

Base Temperature = 40 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 893.50 0.00 z 335.00 1228.50
1953 498.00 335.00 435.00 453.00 584.50 768.00 1108.00 1011.00 927.00 789.00 577.00 365.00 7850.50
1954 270.00 485.00 357.00 550.00 690.78 a 796.50 1166.50 971.50 972.00 789.00 627.00 376.50 8051.78
1955 206.48 c 297.00 492.00 504.50 628.00 791.00 976.50 1175.50 1049.00 731.00 474.23 d 381.41 c 7706.62
1956 377.00 212.00 473.00 470.50 719.50 887.50 1037.50 961.50 1105.00 670.50 618.00 438.50 7970.50
1957 282.00 439.00 466.00 519.50 610.00 967.00 1130.00 1112.00 959.50 661.50 418.00 471.00 8035.50
1958 380.00 412.50 360.00 586.55 a 797.00 841.50 990.00 1132.50 1053.00 924.83 a 543.50 636.02 a 8657.40
1959 546.50 333.00 671.50 733.50 678.00 961.50 1225.00 1122.00 954.50 905.50 722.50 507.50 9361.00
1960 308.00 339.50 594.50 660.50 791.00 989.50 1234.00 1102.50 1133.50 797.00 517.50 414.00 8881.50
1961 549.50 465.50 455.00 645.50 635.00 941.50 1072.00 1098.50 906.50 759.50 466.50 339.50 8334.50
1962 348.00 235.50 267.50 631.00 570.00 757.00 948.50 1102.50 942.50 729.50 502.00 395.00 7429.00
1963 243.50 482.50 367.00 402.00 617.00 676.50 979.00 1025.50 1099.50 833.50 514.50 488.00 7728.50
1964 327.00 370.00 402.00 517.50 635.00 804.00 1151.50 1076.00 913.00 985.00 473.00 368.50 8022.50
1965 432.50 388.00 430.50 574.50 656.50 691.50 1026.00 1173.50 841.00 966.00 540.00 375.50 8095.50
1966 338.50 302.30 a 547.00 647.00 754.50 876.00 1110.50 1142.00 1000.00 872.50 600.50 448.00 8638.80
1967 462.00 504.50 506.00 341.50 764.00 744.00 1154.00 1267.00 1002.00 977.50 693.00 329.50 8745.00
1968 412.00 565.50 569.00 608.50 750.50 913.50 1153.50 1053.50 1018.00 861.50 613.00 383.00 8901.50
1969 469.00 287.50 459.50 595.00 750.50 741.50 0.00 z 1206.00 1077.50 731.50 644.00 422.50 7384.50
1970 423.00 472.50 515.00 499.00 776.50 868.39 b 1178.50 1199.50 1030.50 817.37 a 519.00 316.50 8615.76
1971 422.50 406.50 560.00 557.50 585.56 d 883.00 1147.00 0.00 z 1035.50 754.00 521.00 220.00 7092.56
1972 380.50 500.00 646.87 a 625.00 805.00 872.50 1213.28 b 1137.50 919.66 a 707.00 0.00 z 358.50 8165.80
1973 285.00 366.50 312.50 519.00 768.00 1000.50 0.00 z 923.50 f 875.69 a 897.45 a 445.86 a 442.00 5912.50
1974 350.00 440.42 d 523.50 650.69 a 720.23 a 1002.50 1124.30 c 1045.14 c 1051.11 c 756.40 a 572.14 b 333.54 d 8569.98
1975 522.98 d 441.54 b 428.83 d 407.88 d 723.16 b 806.38 a 1008.02 a 1072.71 b 820.50 g 593.50 f 583.39 b 455.50 6450.39
1976 565.75 c 443.80 a 469.65 a 510.58 d 791.03 b 1017.78 c 1057.62 a 1060.00 890.69 a 854.00 692.68 b 500.65 a 8854.23
1977 399.00 547.04 a 379.50 635.17 a 579.50 891.00 1146.50 1114.00 990.54 b 915.50 692.07 a 597.00 8886.81
1978 451.00 453.38 b 597.00 523.93 b 826.31 b 1040.17 a 1211.50 1100.50 997.50 962.03 a 517.22 c 311.00 8991.55
1979 304.50 346.89 a 462.93 a 615.50 784.62 b 1053.33 c 1145.97 a 1084.50 1230.00 c 794.78 b 529.82 b 550.77 a 8903.61
1980 459.12 b 522.00 a 473.00 636.00 601.50 940.00 1222.50 1135.00 970.34 a 931.66 c 631.03 a 601.83 b 9123.99
1981 548.91 b 534.15 b 493.50 634.50 777.50 1104.00 1169.50 1236.38 a 1071.00 742.50 635.50 545.00 9492.45
1982 356.50 0.00 z 470.00 602.00 699.00 741.50 1112.00 1173.50 1031.00 854.00 500.00 383.00 7922.50
1983 489.00 414.00 465.00 475.00 750.50 806.50 1084.50 1199.50 1145.00 887.50 526.50 457.00 8700.00
1984 509.00 481.50 0.00 z 610.50 914.00 879.50 1207.50 1150.00 1203.00 744.00 473.50 336.00 8508.50
1985 358.50 385.00 430.00 703.50 701.00 977.50 1182.50 1117.50 863.50 809.50 474.50 515.50 8518.50
1986 627.00 457.50 569.50 594.00 739.50 907.00 1023.00 1174.00 780.00 777.50 643.00 457.00 8749.00
1987 387.50 383.50 452.00 727.00 735.50 849.50 889.00 989.00 1010.50 925.50 545.00 318.00 8212.00
1988 447.00 557.50 607.00 618.50 746.00 774.00 1069.00 1020.00 948.00 874.00 556.50 407.50 8625.00
1989 380.00 380.50 594.00 752.50 707.00 878.00 1127.50 1003.00 1054.00 812.50 691.03 a 568.00 8948.03
1990 454.50 330.50 512.50 618.50 718.34 b 993.50 1141.50 1020.00 1028.50 0.00 z 637.50 393.00 7848.34
1991 430.50 568.00 355.00 559.00 647.50 719.00 947.50 1046.50 0.00 z 984.50 658.50 446.50 7362.50
1992 485.50 489.00 0.00 z 718.50 792.50 0.00 z 1071.50 1210.50 1101.50 860.50 0.00 z 358.00 7087.50
1993 403.00 349.50 595.50 671.00 801.00 0.00 z 915.50 1049.50 1017.50 856.00 584.00 464.50 7707.00
1994 556.00 360.50 571.50 559.50 637.50 985.00 1016.00 0.00 z 1025.50 0.00 z 424.00 428.00 6563.50
1995 386.50 574.50 523.00 547.50 589.50 816.00 1134.50 1262.00 1115.50 876.00 748.50 508.00 9081.50
1996 487.50 470.50 540.50 725.00 811.50 916.55 a 1170.00 1200.50 974.50 0.00 z 611.50 510.00 8418.05
1997 435.50 397.00 0.00 z 0.00 z 937.50 829.50 1014.50 1192.00 1159.50 856.50 640.00 405.00 7867.00
1998 0.00 z 331.00 495.50 0.00 z 0.00 z 766.50 0.00 z 1282.00 0.00 z 0.00 z 0.00 z 0.00 z 2875.00
1999 491.00 399.50 432.50 482.50 678.00 826.50 1083.45 a 1133.00 906.00 e 1036.36 b 0.00 z 535.78 a 8004.60
2000 538.62 c 440.70 a 506.00 690.52 a 619.50 h 951.50 1049.57 c 1153.31 d 1022.88 d 728.50 a 484.82 b 403.00 j 7566.43
2001 366.46 c 310.24 c 536.82 a 528.62 a 598.00 i 971.50 982.59 c 919.50 f 1032.69 d 909.00 595.20 e 287.00 h 6233.12
2002 426.50 509.00 474.00 526.00 685.00 879.50 1034.00 1035.50 739.50 i 678.50 677.00 391.00 7316.00
2003 711.50 428.00 571.00 484.00 740.50 775.00 878.50 g 1221.00 1062.50 1015.85 e 528.00 127.00 t 7537.35
2004 453.00 311.00 649.50 658.00 852.50 454.00 n 1060.00 1049.23 e 844.00 f 398.50 m 257.50 l 125.00 v 5033.23
2005 267.50 m 187.50 n 301.50 n 0.00 z 403.00 o 251.00 u 205.00 y 188.00 z 39.50 z 0.00 z 0.00 z 379.50 i 0.00
2006 316.00 j 0.00 z 0.00 z 228.50 p 311.50 r 547.00 n 498.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 426.33 416.81 491.13 582.14 719.48 874.92 1091.72 1116.66 1010.59 840.37 571.98 428.93 8538.15
S.D. 99.05 87.84 88.60 91.94 86.11 102.38 87.72 80.97 93.15 95.54 83.27 87.93 510.82
SKEW 0.25 -0.12 -0.21 -0.30 0.18 0.09 -0.34 0.07 -0.01 0.05 0.13 0.29 -0.33
MAX 711.50 574.50 671.50 752.50 937.50 1104.00 1234.00 1282.00 1230.00 1036.36 748.50 636.02 9492.45
MIN 206.48 212.00 267.50 341.50 570.00 676.50 889.00 961.50 780.00 661.50 418.00 220.00 7429.00
NO YRS 51 51 49 50 49 49 48 48 47 47 47 48 31