SEATTLE MAPLE LEAF R, WASHINGTON

Monthly Total Growing Degree Days

(457463)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196010
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
1941 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
1942 60.00 w 61.00 154.50 332.00 443.41 c 553.93 b 851.50 810.43 c 608.00 443.50 111.00 80.00 4449.27
1943 10.50 110.50 108.00 345.00 388.03 b 533.04 b 705.50 687.50 645.50 391.00 191.50 55.50 4171.57
1944 34.00 p 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
1945 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
1946 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
1947 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
1948 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
1949 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
1950 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
1951 29.50 68.44 a 88.02 c 317.31 d 453.93 c 641.25 b 773.89 c 701.78 b 611.67 c 372.50 151.55 a 9.00 j 4209.84
1952 35.00 i 55.50 f 110.80 d 284.50 443.30 a 488.28 a 719.64 c 467.50 k 463.50 i 341.00 j 51.50 q 38.00 o 2046.52
1953 81.00 m 31.50 n 88.00 k 212.50 f 436.50 488.79 a 710.50 737.91 c 618.00 424.50 95.00 q 54.50 l 3416.20
1954 15.50 n 48.50 l 61.00 n 130.00 h 214.50 o 328.50 j 376.00 l 377.50 l 339.50 l 198.50 n 165.50 n 44.00 l 0.00
1955 12.50 k 8.50 m 36.00 i 159.50 349.50 529.50 605.00 653.00 544.50 352.50 98.65 d 36.50 3328.65
1956 50.00 8.00 51.50 k 291.50 531.50 496.00 768.80 a 722.62 b 546.35 d 336.50 117.50 85.00 3953.77
1957 7.50 45.23 b 129.00 290.00 561.00 601.50 655.98 c 692.50 713.28 a 368.00 133.00 126.00 4322.99
1958 115.00 212.50 133.41 c 287.00 617.00 712.00 917.00 824.50 588.50 445.22 b 131.50 g 168.84 c 5020.97
1959 87.00 56.00 133.50 279.00 415.50 577.50 789.00 702.00 519.50 383.00 157.00 72.00 4171.00
1960 46.00 95.00 155.00 294.00 403.50 565.50 801.00 681.00 537.00 425.50 0.00 z 0.00 z 4003.50
Period of Record Statistics
MEAN 49.36 82.08 126.53 287.98 458.47 562.48 754.35 721.32 593.23 394.22 137.17 89.12 4221.85
S.D. 39.57 61.11 23.20 50.22 79.78 69.07 87.95 55.66 59.17 38.43 31.95 44.74 87.60
SKEW 0.57 1.18 -0.27 -1.69 0.73 0.87 0.13 0.92 0.62 0.03 0.49 0.74 0.63
MAX 115.00 212.50 155.00 345.00 617.00 712.00 917.00 824.50 713.28 445.22 191.50 168.84 4322.99
MIN 7.50 8.00 88.02 159.50 349.50 488.28 605.00 653.00 519.50 336.50 98.65 36.50 4171.00
NO YRS 7 8 8 10 11 11 11 10 10 10 7 7 3