ELWHA RS, WASHINGTON

Monthly Total Growing Degree Days

(452548)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 440.00 478.50 239.00 g 21.50 o 24.00 0.00 b 942.50
1943 0.53 b 0.00 a 0.00 69.44 c 77.50 222.93 a 337.79 b 398.50 312.00 115.50 f 0.00 0.00 1418.70
1944 1.60 b 0.00 0.00 5.00 112.38 c 269.48 a 356.50 231.00 205.00 0.00 z 0.00 z 0.00 1180.96
1945 0.00 0.00 0.50 1.50 145.00 184.50 427.00 317.50 195.50 102.50 0.50 0.00 1374.50
1946 0.00 0.00 0.00 b 6.50 147.50 147.00 335.00 376.50 199.50 10.85 a 0.00 b 0.00 1222.85
1947 0.00 0.00 b 13.36 b 71.50 f 212.35 a 255.52 a 379.50 367.50 289.50 66.13 a 0.00 0.00 a 1583.86
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 317.07 a 379.50 324.98 a 216.00 24.50 0.00 0.00 e 1262.05
1949 0.00 0.00 c 0.00 8.50 186.50 233.50 316.00 344.00 302.07 a 13.50 5.00 0.00 1409.07
1950 0.00 0.00 0.00 9.00 65.50 285.50 370.00 404.03 a 266.00 28.50 2.59 a 0.00 z 1431.12
1951 0.00 z 0.00 0.00 f 48.62 a 114.00 330.50 416.50 364.00 275.00 52.00 0.00 0.00 1600.62
1952 0.00 0.00 0.50 24.50 130.50 171.50 388.00 421.00 298.00 121.50 0.50 0.00 1556.00
1953 0.00 0.00 0.00 10.50 128.50 117.00 363.50 383.50 323.50 62.55 c 0.00 f 0.00 1389.05
1954 0.00 0.00 0.00 2.14 b 108.50 110.50 309.48 a 331.50 228.00 25.50 1.50 j 0.00 a 1115.63
1955 0.00 c 0.00 0.00 7.00 39.00 182.59 a 282.50 335.32 a 127.50 q 28.86 b 3.60 e 0.00 c 878.86
1956 0.00 0.00 a 0.00 a 45.00 d 223.50 121.50 429.87 a 454.84 b 165.00 g 31.50 f 0.00 g 0.00 f 1274.71
1957 0.00 0.00 d 0.00 c 33.75 b 232.50 d 261.67 c 303.59 b 351.00 370.50 70.78 a 0.00 0.00 a 1623.79
1958 0.00 l 3.77 b 0.00 22.50 277.00 423.00 e 610.70 a 515.50 265.00 68.50 0.00 2.00 2187.97
1959 0.00 0.00 0.00 20.50 68.00 h 214.82 b 464.50 355.50 173.50 55.50 9.50 0.00 1293.82
1960 0.00 0.00 7.00 29.50 66.17 e 243.50 475.50 349.50 216.50 63.50 0.00 0.00 1451.17
1961 0.00 a 1.50 3.00 12.00 122.50 317.07 a 488.50 510.00 213.00 37.00 0.00 0.00 1704.57
1962 0.00 0.00 1.50 23.50 46.50 209.50 341.00 315.50 260.50 34.00 5.00 0.00 b 1237.00
1963 0.00 0.00 0.00 b 2.59 a 143.50 223.45 a 268.50 354.00 307.22 c 57.00 f 0.00 c 1.00 g 1299.26
1964 0.00 b 0.00 c 5.74 d 6.00 f 80.08 a 157.00 f 314.50 311.50 123.00 i 26.00 k 0.00 d 0.00 n 711.82
1965 0.00 k 0.00 g 5.74 d 24.31 a 65.74 b 248.00 448.00 425.00 122.00 l 61.40 e 1.00 m 0.00 h 1278.20
1966 0.00 r 0.00 d 5.88 b 6.11 c 120.38 a 173.50 326.00 403.00 283.80 e 48.16 c 0.00 h 1.19 e 1368.03
1967 0.00 c 0.00 0.00 b 0.00 b 79.50 j 351.43 b 392.00 556.00 336.50 55.00 1.50 0.00 h 1692.43
1968 0.00 i 0.00 z 6.56 e 10.00 h 129.17 d 206.67 c 457.77 a 367.00 222.12 d 22.06 e 0.00 0.00 1411.33
1969 0.00 a 0.00 a 1.50 0.00 194.02 b 292.50 f 381.82 a 291.83 b 206.00 f 16.00 g 0.00 e 0.00 b 869.16
1970 0.00 0.00 0.00 0.00 86.00 319.14 a 393.70 a 408.17 d 158.50 47.00 0.00 c 0.00 c 1412.50
1971 0.00 0.00 0.00 c 22.00 135.76 b 126.50 393.59 c 468.62 a 190.56 c 46.50 m 0.00 g 0.00 z 1337.02
1972 0.00 z 0.00 1.00 3.00 113.50 0.00 z 0.00 z 0.00 z 171.50 41.00 0.50 0.00 330.50
1973 0.00 0.00 0.00 22.00 120.50 175.50 346.00 273.50 226.00 0.00 z 0.00 0.00 1163.50
1974 0.00 0.00 0.00 2.50 49.00 190.50 293.97 b 395.00 345.50 30.50 0.00 0.00 1306.97
1975 0.00 0.00 0.00 0.00 84.70 c 202.22 c 407.50 269.00 221.40 e 30.50 7.50 d 0.00 1222.82
1976 0.00 0.00 0.00 16.00 95.00 125.50 300.50 307.00 295.00 54.00 0.00 0.00 1193.00
1977 0.00 e 0.00 0.00 49.50 43.50 223.00 240.50 515.00 149.00 4.02 d 0.00 g 0.00 z 1224.52
1978 0.00 0.00 1.50 g 5.00 q 75.95 a 337.78 c 439.00 378.50 157.76 a 78.50 2.59 a 0.00 1470.07
1979 0.00 0.00 5.00 49.00 109.00 208.00 413.00 389.50 256.50 89.00 0.00 f 0.00 1519.00
1980 0.00 0.00 0.00 38.50 99.50 157.00 338.00 335.00 210.00 62.50 6.50 4.81 b 1251.81
1981 0.50 0.00 0.50 6.00 f 74.00 128.00 333.00 471.50 203.50 5.50 9.81 d 0.00 d 1226.31
1982 0.00 0.00 0.00 a 5.50 0.00 z 304.14 a 288.50 286.75 a 189.83 a 12.50 0.00 0.00 1087.22
1983 0.00 g 0.00 0.00 23.50 117.28 a 131.50 235.00 373.00 153.50 5.88 b 0.00 0.00 a 1039.66
1984 0.00 0.00 0.00 10.50 38.75 a 148.50 335.00 0.00 z 142.00 36.50 0.00 0.00 711.25
1985 0.00 0.00 0.00 37.00 125.55 a 213.75 b 525.00 408.50 173.50 28.50 0.00 0.00 i 1511.80
1986 0.00 i 0.00 0.00 z 7.50 l 88.02 c 0.00 z 171.50 443.00 g 210.50 78.50 0.00 p 0.00 i 548.52
1987 0.00 a 0.00 i 3.00 15.00 d 127.00 285.54 b 320.00 401.00 310.00 82.50 3.00 0.00 1547.04
1988 0.00 0.00 0.50 31.50 78.00 175.00 328.00 372.50 220.50 79.00 1.00 0.00 1286.00
1989 0.00 0.00 0.00 66.00 116.00 293.50 313.50 326.00 304.00 59.50 0.00 0.00 1478.50
1990 0.00 0.00 3.50 31.00 80.50 208.50 472.00 457.00 293.50 8.50 10.00 0.00 1564.50
1991 0.00 0.00 0.00 29.50 66.00 154.50 350.00 407.00 259.50 65.50 1.50 0.00 1333.50
1992 0.00 0.00 8.50 40.50 181.00 345.50 414.00 424.00 171.50 66.00 0.00 0.00 1651.00
1993 0.00 0.00 2.50 4.00 214.00 205.00 273.50 368.50 295.00 85.50 0.00 0.00 1448.00
1994 0.00 0.00 6.00 49.50 132.50 185.50 420.00 397.00 295.50 34.50 0.00 0.00 1520.50
1995 0.00 0.00 2.00 43.00 218.50 252.00 431.50 269.00 307.50 15.00 5.00 0.00 1543.50
1996 0.00 0.00 1.00 23.50 41.50 165.00 423.50 418.50 159.50 32.00 0.00 0.00 1264.50
1997 0.00 0.00 0.00 1.50 170.00 185.00 332.00 446.50 242.00 25.00 0.00 0.00 1402.00
1998 0.00 0.00 0.00 39.50 138.00 0.00 z 0.00 z 420.50 339.50 27.00 0.00 0.00 964.50
1999 0.00 0.00 a 0.00 35.19 d 59.00 150.52 a 287.02 b 365.28 a 242.07 a 16.02 a 0.00 0.00 1155.10
2000 0.00 c 0.00 0.00 a 35.17 a 51.27 e 232.24 a 350.30 a 350.00 226.00 4.65 a 0.00 b 0.00 e 1249.63
2001 0.00 a 0.00 0.00 e 17.78 c 91.28 d 137.50 277.50 347.20 a 226.50 23.52 b 1.07 b 0.00 c 1122.34
2002 0.00 0.00 0.00 i 11.00 65.00 264.64 b 339.50 410.20 c 249.00 12.00 1.00 0.00 1352.34
2003 0.00 0.00 e 0.00 12.50 87.00 306.00 431.00 405.00 303.00 71.00 0.00 0.00 1615.50
2004 0.00 d 0.00 6.00 61.00 134.00 289.50 437.00 440.50 170.50 69.50 0.50 0.00 1608.50
2005 3.50 f 0.00 4.50 58.00 149.00 209.50 361.00 448.50 230.00 24.00 0.00 0.00 1484.50
2006 0.00 0.00 e 0.00 l 24.00 122.50 256.50 406.50 377.50 264.00 50.00 7.00 j 0.00 h 1501.00
2007 0.00 g 0.00 4.00 i 7.20 e 94.50 164.50 402.00 361.00 124.00 g 12.00 f 0.00 h 0.00 f 1029.20
2008 0.00 0.00 e 0.00 g 3.00 f 124.50 149.50 320.00 373.50 237.00 17.00 g 3.50 0.00 h 1208.00
2009 0.00 e 0.00 j 0.00 i 16.00 j 0.00 z 0.00 z 0.00 z 399.00 223.00 f 15.00 m 0.00 i 0.00 m 399.00
2010 0.00 n 0.00 g 0.00 h 5.00 j 58.00 136.00 359.00 375.00 173.50 50.00 0.00 h 0.00 1151.50
2011 0.00 f 0.00 i 0.00 l 0.00 e 32.00 h 144.50 286.50 398.83 e 210.00 i 16.50 h 0.00 0.00 829.83
2012 0.00 0.00 c 0.00 c 26.50 93.00 115.00 334.05 b 411.50 288.21 b 47.50 2.50 0.00 1318.27
2013 0.00 0.00 1.50 o 4.00 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
Period of Record Statistics
MEAN 0.05 0.08 1.61 22.57 114.32 215.99 366.57 383.64 242.27 44.91 1.90 0.14 1397.50
S.D. 0.23 0.50 2.80 18.64 52.68 71.26 73.78 62.71 57.37 27.05 3.99 0.70 164.64
SKEW 5.88 6.60 2.01 0.66 0.88 0.58 0.36 0.22 0.12 0.45 3.51 5.74 0.17
MAX 1.60 3.77 13.36 69.44 277.00 423.00 610.70 556.00 370.50 121.50 24.00 4.81 1704.57
MIN 0.00 0.00 0.00 0.00 38.75 110.50 171.50 231.00 142.00 4.02 0.00 0.00 1122.34
NO YRS 58 64 59 60 64 64 68 68 62 58 57 57 29