SEATTLE NAVAL AIR STN, WASHINGTON

Monthly Total Growing Degree Days

(457468)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197005
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
1945 0.00 z 0.00 z 152.00 260.00 565.50 603.00 793.50 758.50 561.00 442.50 173.00 119.00 4428.00
1946 97.00 113.00 166.50 298.50 584.00 604.00 794.00 766.50 613.50 320.50 112.50 86.50 4556.50
1947 56.50 171.50 266.50 372.00 597.00 644.00 762.00 758.00 622.50 431.00 149.50 139.00 4969.50
1948 62.50 62.50 139.00 228.00 446.50 704.50 752.50 708.50 559.50 374.50 124.00 16.00 4178.00
1949 5.68 a 68.00 184.00 338.00 563.00 589.00 710.50 754.00 660.00 320.50 321.50 96.50 4610.68
1950 11.00 91.50 115.00 245.50 400.00 645.50 769.50 815.00 627.50 377.00 169.00 210.50 4477.00
1951 60.50 86.50 107.50 343.50 504.50 705.00 824.50 768.00 672.50 425.00 209.00 40.50 4747.00
1952 58.00 99.00 150.00 329.00 511.50 555.00 804.50 801.50 694.50 538.00 183.00 150.50 4874.50
1953 217.50 101.00 178.00 298.50 493.00 554.00 771.00 804.50 657.50 486.50 285.00 142.50 4989.00
1954 48.50 128.50 116.50 238.50 491.50 545.00 684.50 694.50 624.00 417.50 332.50 123.00 4444.50
1955 61.50 47.50 82.00 211.50 388.50 575.00 688.00 713.00 593.50 410.00 148.00 73.50 3992.00
1956 82.00 25.00 122.50 338.50 580.50 570.50 836.00 790.00 613.00 381.00 167.00 126.00 4632.00
1957 11.50 74.50 181.50 357.00 624.00 669.50 739.50 764.50 756.50 410.00 180.00 172.00 4940.50
1958 160.50 255.00 193.50 347.00 681.00 778.00 976.50 891.50 647.00 480.50 179.50 198.00 5788.00
1959 116.00 95.50 176.00 321.50 469.50 642.50 841.50 735.00 562.50 418.50 176.00 81.00 4635.50
1960 72.00 109.50 182.00 337.00 436.50 604.00 843.00 722.50 587.50 453.00 194.00 75.50 4616.50
1961 171.50 165.50 229.00 271.00 487.50 712.50 849.00 884.50 588.00 367.50 129.00 95.00 4950.00
1962 103.00 156.50 140.50 355.50 406.50 604.50 761.00 759.50 650.50 452.50 245.00 162.00 4797.00
1963 28.50 244.50 169.50 291.00 544.00 587.50 715.00 793.00 721.50 501.50 211.50 114.50 4922.00
1964 95.50 80.50 159.00 228.00 424.50 568.50 736.00 708.00 560.50 448.50 117.50 51.50 4178.00
1965 58.50 84.50 190.00 314.50 415.00 638.50 821.00 803.50 553.00 505.50 300.50 91.50 4776.00
1966 90.50 102.00 196.00 307.50 451.50 601.00 736.00 794.00 689.50 419.50 213.00 186.50 4787.00
1967 118.50 116.00 110.50 216.50 501.50 744.00 831.50 941.00 761.00 466.00 225.50 112.00 5144.00
1968 86.50 226.50 254.00 255.00 505.00 596.50 833.00 729.00 592.00 385.50 210.50 60.50 4734.00
1969 20.00 72.50 202.50 311.50 589.00 767.00 759.50 729.50 618.00 401.50 202.50 147.50 4821.00
1970 88.50 188.00 236.50 289.00 451.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1253.00
Period of Record Statistics
MEAN 79.27 118.60 169.23 296.29 504.31 632.34 785.32 775.50 631.46 425.36 198.34 114.84 4731.67
S.D. 51.08 60.22 46.28 48.10 76.38 67.97 63.85 60.30 59.70 54.28 60.48 49.72 358.70
SKEW 0.85 0.89 0.23 -0.31 0.40 0.76 0.81 1.11 0.65 0.00 0.75 0.07 0.50
MAX 217.50 255.00 266.50 372.00 681.00 778.00 976.50 941.00 761.00 538.00 332.50 210.50 5788.00
MIN 5.68 25.00 82.00 211.50 388.50 545.00 684.50 694.50 553.00 320.50 112.50 16.00 3992.00
NO YRS 25 25 26 26 26 25 25 25 25 25 25 25 24