MOUNT SHASTA, CALIFORNIA

Monthly Total Growing Degree Days

(045983)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201012
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 749.50 715.50 550.50 340.50 58.50 0.00 2414.50
1949 0.00 19.00 16.50 340.00 461.00 652.00 861.50 759.50 657.00 303.00 271.00 4.50 4345.00
1950 17.00 61.50 64.50 214.50 480.50 585.50 944.50 907.50 629.50 333.50 162.00 79.00 4479.50
1951 3.50 44.50 100.50 331.50 411.00 727.50 871.50 865.50 740.00 299.50 86.00 0.50 4481.50
1952 4.00 24.00 79.00 280.00 452.00 489.00 939.00 834.50 749.50 552.00 82.00 2.00 4487.00
1953 50.00 43.50 89.50 206.00 225.50 454.50 889.50 747.00 753.00 341.00 130.00 47.00 3976.50
1954 3.50 69.50 52.50 287.50 511.00 508.50 840.00 662.50 511.50 311.50 148.00 4.00 3910.00
1955 3.00 21.50 76.50 65.50 409.50 616.00 713.50 881.00 629.50 408.50 76.00 29.50 3930.00
1956 9.50 11.50 99.00 240.50 427.00 577.00 882.50 752.00 603.00 248.50 130.50 22.50 4003.50
1957 0.00 59.50 88.50 202.50 384.00 680.50 774.00 709.00 647.50 200.50 21.00 22.50 3789.50
1958 3.50 53.50 9.00 185.00 525.50 596.50 886.00 953.00 606.50 501.00 137.50 130.00 4587.00
1959 33.00 24.50 121.00 320.50 326.00 683.50 954.50 850.50 541.00 436.00 155.00 26.50 4472.00
1960 6.00 6.50 167.50 173.00 312.00 785.00 999.00 835.50 731.00 384.00 49.00 34.00 4482.50
1961 43.00 45.00 50.50 242.00 311.00 772.00 903.00 886.50 532.00 388.50 63.50 0.50 4237.50
1962 22.50 32.50 55.00 329.50 327.00 633.00 862.00 788.50 693.00 349.00 128.00 57.00 4277.00
1963 20.00 126.50 47.00 75.50 487.00 542.00 729.00 795.00 694.50 338.00 70.50 32.50 3957.50
1964 2.50 15.00 65.50 176.50 342.00 527.50 824.50 785.50 559.00 469.00 57.00 49.50 3873.50
1965 33.00 47.00 110.00 196.00 369.00 576.00 831.50 773.50 537.00 518.00 110.00 33.50 4134.50
1966 1.00 0.50 153.00 319.50 542.50 630.00 771.50 892.50 645.00 386.00 113.50 22.50 4477.50
1967 14.50 48.00 39.50 12.00 440.50 639.50 917.00 976.00 737.00 337.50 196.00 8.50 4366.00
1968 23.00 94.00 123.00 204.00 389.50 665.00 916.00 671.00 621.50 315.00 76.00 1.50 4099.50
1969 0.50 0.00 92.00 163.50 563.00 654.50 881.00 860.00 660.00 212.00 117.50 29.50 4233.50
1970 45.00 67.50 100.00 102.00 490.00 701.00 922.00 846.50 554.50 324.50 100.00 2.00 4255.00
1971 35.00 57.50 35.00 145.00 355.00 571.00 903.50 904.00 529.50 288.00 41.00 0.00 3864.50
1972 1.50 50.00 197.50 138.50 479.00 693.50 898.50 862.50 520.50 329.50 31.50 23.00 4225.50
1973 14.50 18.50 27.50 259.00 574.50 703.50 963.50 810.00 595.50 299.00 43.50 9.50 4318.50
1974 16.50 5.50 85.00 141.50 451.50 716.00 810.00 826.00 755.50 371.00 75.00 14.00 4267.50
1975 30.00 15.00 19.50 66.00 461.50 631.00 834.00 743.00 748.50 254.00 57.00 19.00 3878.50
1976 10.50 28.00 73.00 129.50 496.00 558.50 881.00 659.50 657.00 389.00 184.00 11.00 4077.00
1977 0.50 79.00 34.50 255.50 214.50 780.00 851.00 866.00 518.50 308.00 65.50 20.00 3993.00
1978 12.00 51.00 165.50 128.00 333.50 571.50 830.00 785.00 447.00 422.50 57.00 1.00 3804.00
1979 4.50 6.50 116.00 136.50 444.50 618.50 846.00 730.00 674.00 375.00 48.50 44.00 4044.00
1980 27.00 43.50 28.50 237.00 385.50 453.50 846.50 772.50 594.50 399.50 109.50 58.00 3955.50
1981 48.50 51.50 62.50 260.50 412.50 674.00 838.00 898.00 659.00 251.00 140.50 22.00 4318.00
1982 1.00 35.00 26.50 137.00 449.00 603.00 741.00 810.50 492.50 287.00 21.50 7.00 3611.00
1983 18.50 31.00 45.00 87.00 460.50 574.50 673.50 797.50 620.00 400.50 58.00 10.50 3776.50
1984 50.00 49.50 132.00 157.50 458.50 586.50 938.50 835.50 630.00 e 207.00 5.00 2.00 4052.00
1985 5.50 48.50 83.00 356.50 400.50 744.00 940.00 740.00 456.50 275.50 49.50 16.00 4115.50
1986 67.50 95.50 222.50 200.50 452.00 772.50 755.00 861.00 410.00 334.50 64.50 8.00 4243.50
1987 1.50 29.00 72.50 343.00 526.00 716.00 694.50 825.50 604.50 465.50 95.00 16.00 4389.00
1988 8.50 94.00 122.00 256.50 344.50 607.50 943.50 834.50 613.50 515.50 52.00 28.50 4420.50
1989 5.00 17.50 67.00 343.00 400.50 657.00 756.50 711.00 559.50 276.50 92.50 29.50 3915.50
1990 21.00 40.00 159.50 371.00 330.00 585.00 871.50 762.50 608.50 343.50 57.00 7.50 4157.00
1991 15.00 114.50 39.00 164.50 330.00 533.50 905.50 778.50 736.50 460.00 141.50 10.50 4229.00
1992 8.50 60.00 153.50 327.00 658.50 709.50 799.00 845.50 613.50 400.00 92.00 0.00 4667.00
1993 0.50 12.00 157.00 157.00 439.00 561.50 715.00 708.00 598.50 354.00 43.50 5.50 3751.50
1994 25.50 16.50 163.00 254.50 476.00 586.00 935.00 782.50 645.50 282.00 3.50 5.50 4175.50
1995 32.00 155.50 56.50 177.50 421.00 557.00 784.00 733.50 621.00 381.50 208.50 57.00 4185.00
1996 37.00 108.00 136.00 220.00 374.00 633.50 899.00 840.00 522.00 300.00 90.00 17.50 4177.00
1997 42.50 32.50 161.50 212.00 555.50 569.50 788.00 760.00 560.00 269.00 91.00 7.50 4049.00
1998 19.00 1.00 102.00 172.00 218.00 560.00 864.50 856.00 663.50 250.50 15.00 11.50 3733.00
1999 9.50 1.00 32.00 202.50 390.00 597.00 756.50 768.50 649.50 400.50 145.50 5.50 3958.00
2000 6.50 30.00 95.50 301.00 420.00 711.50 761.50 808.00 570.00 299.00 30.50 8.00 4041.50
2001 29.00 3.50 178.50 168.50 607.50 620.50 820.50 863.00 652.50 412.00 102.00 2.50 4460.00
2002 8.50 47.00 101.50 276.50 419.00 679.50 911.00 811.50 634.00 329.50 97.00 16.00 4331.00
2003 60.50 27.50 124.00 95.00 443.00 754.50 956.00 802.00 666.50 466.00 15.50 18.50 4429.00
2004 4.00 5.00 260.00 268.00 417.00 668.50 889.50 818.50 575.50 266.50 53.00 24.50 4250.00
2005 25.00 35.50 133.00 172.50 418.50 495.50 944.50 898.00 578.50 334.50 66.50 35.00 4137.00
2006 7.50 50.50 3.50 186.50 495.00 751.00 951.00 821.00 658.00 315.50 100.00 21.00 4360.50
2007 7.00 63.00 207.70 a 258.00 522.00 656.50 928.00 846.50 567.50 246.00 134.50 0.00 4436.70
2008 0.00 25.50 73.00 158.50 480.50 664.00 921.50 893.50 716.00 394.50 146.00 10.00 4483.00
2009 16.00 31.50 82.50 187.00 549.00 632.50 952.50 842.50 773.00 346.50 91.50 10.50 4515.00
2010 36.50 32.00 106.50 123.00 268.50 408.50 k 374.50 s 301.00 s 0.00 z 0.00 z 33.00 q 20.00 586.50
2011 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 0.00 z 0.00 z 0.00 z 0.00
2012 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 403.00 c 147.00 22.22 a 572.22
2013 3.50 32.00 185.50 7.50 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 221.00
Period of Record Statistics
MEAN 17.63 41.98 97.23 208.02 427.71 630.40 857.44 810.64 617.40 349.20 90.48 20.22 4174.60
S.D. 16.85 32.36 56.90 82.66 91.02 80.78 78.27 68.22 81.43 78.72 52.76 21.91 246.91
SKEW 1.02 1.24 0.58 0.06 -0.16 -0.03 -0.49 -0.13 -0.15 0.43 0.82 2.48 -0.18
MAX 67.50 155.50 260.00 371.00 658.50 785.00 999.00 976.00 773.00 552.00 271.00 130.00 4667.00
MIN 0.00 0.00 3.50 12.00 214.50 453.50 673.50 659.50 410.00 200.50 3.50 0.00 3611.00
NO YRS 63 63 63 62 62 61 62 62 62 63 63 64 61