SEQUIM, WASHINGTON

Monthly Total Growing Degree Days

(457538)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198009
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
1931 62.00 a 36.50 118.83 a 275.17 a 449.50 486.67 c 521.50 f 574.07 d 480.00 b 277.93 b 60.00 26.00 2846.68
1932 10.85 a 46.50 136.92 a 226.00 319.76 d 499.50 504.55 b 585.79 b 458.08 d 295.50 177.32 b 20.50 3281.27
1933 13.00 11.93 a 65.21 b 170.00 c 305.83 e 436.67 c 550.52 b 670.12 a 392.59 a 311.03 a 136.03 a 61.00 3123.91
1934 81.00 84.54 b 196.52 c 359.00 415.83 b 501.11 c 560.30 d 649.89 c 468.00 335.00 181.00 43.00 3875.18
1935 60.97 a 44.92 d 35.65 a 162.12 d 332.73 a 515.69 a 612.77 a 623.62 a 86.00 y 261.50 67.00 23.50 l 2716.96
1936 33.50 3.50 61.00 289.50 438.00 555.58 d 624.50 666.50 443.00 391.50 106.00 46.50 3659.08
1937 0.00 15.00 134.50 174.50 361.00 506.50 497.50 0.00 z 0.00 z 0.00 z 220.50 106.00 2015.50
1938 37.50 49.00 119.00 280.50 434.00 572.68 b 713.50 623.00 655.50 377.00 118.50 105.00 4085.18
1939 123.00 28.50 126.50 292.00 436.50 501.00 665.00 785.00 0.00 z 377.50 253.00 161.00 3749.00
1940 91.50 114.50 218.00 356.50 506.50 593.00 663.50 725.50 607.00 269.50 j 93.00 127.50 4096.50
1941 86.50 141.00 242.50 291.50 f 459.00 558.00 789.00 689.00 479.00 356.50 177.00 69.50 4047.00
1942 63.00 70.50 114.00 284.00 436.50 563.50 726.00 729.50 534.00 360.00 78.00 67.00 4026.00
1943 9.50 76.50 102.50 307.50 359.00 492.50 603.50 607.50 570.50 356.50 155.50 52.50 3693.50
1944 58.50 43.50 88.50 239.50 52.00 z 0.00 z 0.00 z 617.86 b 572.50 437.50 172.50 37.00 2267.36
1945 77.00 69.00 101.00 179.00 458.50 493.50 609.00 604.50 490.00 372.50 85.50 66.50 3606.00
1946 58.00 59.00 91.50 202.00 472.23 a 483.00 639.50 622.00 486.50 250.00 60.00 44.00 3467.73
1947 24.50 107.52 c 161.00 255.50 476.50 523.97 a 629.00 619.50 520.50 295.50 94.00 51.00 3758.49
1948 25.50 26.50 59.50 144.50 367.00 603.00 621.00 595.50 501.00 268.00 75.00 3.00 3289.50
1949 0.00 29.50 122.50 229.00 462.00 473.50 568.00 638.08 a 546.00 211.50 207.50 41.50 3529.08
1950 0.50 45.36 c 39.50 156.50 297.00 546.50 595.00 629.50 512.00 238.00 93.50 99.00 3252.36
1951 21.00 30.50 57.50 249.00 405.00 566.50 631.00 622.50 496.00 282.50 110.50 10.00 3482.00
1952 10.00 40.00 64.00 201.00 357.50 426.21 a 602.00 641.00 563.50 399.38 a 89.00 45.00 3438.59
1953 68.00 29.56 a 74.50 177.50 368.50 435.00 a 617.00 676.50 533.50 352.50 200.00 64.07 a 3596.62
1954 19.12 a 63.26 a 58.50 130.00 355.50 400.50 551.28 a 555.50 542.59 a 269.50 246.72 a 36.00 k 3192.47
1955 19.50 l 19.50 p 50.00 140.00 298.50 482.00 539.50 590.07 b 534.00 249.00 53.00 6.20 a 2942.27
1956 16.02 a 5.00 45.50 244.50 472.00 414.50 669.60 a 639.00 496.55 a 370.45 a 172.00 112.00 3657.12
1957 34.00 72.00 189.10 a 216.21 a 187.50 t 551.00 603.00 625.50 660.52 a 312.07 a 97.50 b 73.88 a 3434.77
1958 75.50 164.50 126.50 245.00 533.00 692.00 816.33 a 734.00 553.00 365.50 90.00 116.50 4511.83
1959 67.00 54.00 102.50 252.93 a 376.50 552.50 708.00 621.50 502.00 324.50 117.00 51.15 a 3729.58
1960 37.50 59.50 120.00 270.00 380.50 512.00 703.50 650.00 522.00 375.50 121.00 52.00 3803.50
1961 117.50 113.50 188.00 240.50 419.50 615.50 753.00 744.50 512.50 294.50 68.00 45.50 4112.50
1962 70.50 103.50 92.50 266.50 335.00 504.00 621.50 637.50 553.50 369.50 174.00 109.50 3837.50
1963 30.00 170.00 120.00 238.97 a 463.50 535.00 618.00 672.00 638.50 394.50 143.00 83.50 4106.97
1964 52.00 59.00 114.50 204.50 357.03 b 501.50 634.00 641.00 510.00 336.00 80.00 29.50 3519.03
1965 30.00 68.00 150.50 265.50 342.50 524.00 688.50 696.98 a 496.00 418.50 191.50 65.00 3936.98
1966 41.00 75.50 140.00 257.00 402.00 514.50 617.50 684.50 599.00 331.00 171.50 115.50 3949.00
1967 69.50 89.50 77.50 188.50 416.00 633.50 674.50 776.50 644.00 370.00 154.50 80.50 4174.50
1968 98.00 121.00 180.00 205.00 460.50 520.00 739.00 644.50 538.50 299.50 144.50 33.50 3984.00
1969 11.50 28.00 161.50 219.00 503.50 670.50 666.00 618.50 544.00 336.00 148.00 86.00 3992.50
1970 48.50 118.00 164.00 207.50 376.50 598.50 667.50 651.50 470.50 289.00 153.00 27.50 3772.00
1971 70.50 65.00 72.50 229.00 429.00 457.50 702.50 769.50 518.00 321.00 146.00 7.00 3787.50
1972 12.50 64.50 160.50 149.00 505.00 524.50 721.00 744.50 465.00 322.50 140.50 62.00 3871.50
1973 44.50 69.00 157.00 254.50 451.50 515.50 706.28 a 607.50 581.00 315.50 56.50 109.50 3868.28
1974 68.50 62.50 157.00 268.50 350.00 542.31 d 643.00 687.50 624.50 355.00 139.00 81.12 a 3978.92
1975 29.00 22.50 j 84.00 170.50 406.50 520.50 686.50 615.00 590.00 307.00 112.00 37.00 o 3521.00
1976 42.50 51.50 74.00 249.00 399.50 488.50 641.24 d 625.54 c 613.50 342.50 0.00 z 87.00 3614.78
1977 39.50 135.00 113.50 282.50 377.00 559.50 620.00 777.50 511.00 297.08 a 122.00 61.50 3896.08
1978 80.17 b 103.50 210.05 b 246.00 401.50 646.50 723.00 688.00 509.00 379.00 55.00 30.00 4071.72
1979 0.50 38.89 a 187.60 b 237.50 451.05 a 509.48 a 706.59 b 703.18 a 654.50 403.50 87.86 b 106.50 4087.15
1980 14.97 b 114.45 a 131.50 321.00 432.97 a 482.50 612.50 645.83 a 523.39 b 0.00 z 0.00 z 0.00 z 3279.10
Period of Record Statistics
MEAN 45.62 68.16 119.18 232.84 408.63 526.57 646.99 658.03 536.52 330.97 129.05 64.76 3778.72
S.D. 31.30 40.05 50.73 53.45 58.61 62.16 68.14 56.32 60.66 50.98 51.66 36.13 298.15
SKEW 0.44 0.67 0.35 0.12 -0.03 0.50 0.10 0.69 0.33 -0.19 0.45 0.37 -0.15
MAX 123.00 170.00 242.50 359.00 533.00 692.00 816.33 785.00 660.52 437.50 253.00 161.00 4511.83
MIN 0.00 3.50 35.65 130.00 297.00 400.50 497.50 555.50 392.59 211.50 53.00 3.00 3123.91
NO YRS 49 48 50 49 48 49 48 49 47 47 48 46 37