MONROE, WASHINGTON

Monthly Total Growing Degree Days

(455525)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1929 0.00 z 0.00 o 13.50 15.00 166.00 299.00 421.50 451.00 251.50 161.50 0.00 5.34 b 1784.34
1930 0.00 9.00 18.00 113.00 146.50 317.00 405.00 451.50 273.50 69.50 23.00 0.00 1826.00
1931 12.00 0.00 36.00 96.50 243.00 333.00 428.32 a 400.42 a 277.00 74.50 8.50 0.00 d 1909.23
1932 0.00 8.00 6.72 a 77.00 136.50 315.50 359.50 397.50 239.00 105.00 24.50 1.00 1670.22
1933 0.00 0.00 4.50 42.00 114.50 249.50 331.00 432.50 203.00 85.00 18.00 0.50 1480.50
1934 0.00 4.50 47.00 156.00 223.00 285.50 396.50 429.50 220.50 128.50 20.00 0.00 1911.00
1935 19.50 8.50 3.10 a 26.00 105.00 295.50 406.00 361.00 266.50 76.50 0.00 0.00 1567.60
1936 0.00 0.00 1.50 69.00 186.00 a 335.00 281.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 591.50
1937 0.00 d 0.00 15.50 14.50 106.50 313.50 369.00 359.50 261.50 115.65 e 7.00 0.00 x 1562.65
1938 0.00 0.50 2.00 58.00 147.00 296.50 446.50 325.00 317.00 82.15 a 0.00 1.00 1675.65
1939 0.00 0.00 9.50 68.00 179.00 225.00 376.28 b 444.50 229.50 82.50 27.50 17.00 1658.78
1940 8.50 0.00 29.00 84.00 260.00 317.50 442.30 c 407.50 340.50 167.50 1.50 1.00 2059.30
1941 0.50 40.00 60.50 107.00 196.50 329.00 557.50 474.41 c 235.50 103.00 19.50 5.50 2128.91
1942 1.00 0.00 24.50 85.50 223.00 262.76 a 575.50 524.00 261.11 c 134.50 0.00 z 0.00 c 2091.87
1943 1.00 5.19 a 0.00 101.79 b 141.10 b 293.04 b 414.88 a 414.50 342.50 130.50 7.00 1.00 1852.49
1944 2.00 0.00 7.50 65.50 175.00 327.50 456.00 418.50 347.00 162.00 8.00 2.50 1971.50
1945 5.00 2.50 2.00 25.50 234.00 284.50 444.50 450.00 223.50 137.20 d 1.00 0.00 a 1809.70
1946 0.50 j 0.00 1.00 34.50 245.00 290.50 454.00 426.50 289.50 21.00 0.00 0.00 e 1762.00
1947 0.00 a 5.50 43.00 j 0.00 z 264.00 320.00 0.00 z 429.00 265.50 108.50 a 0.50 0.00 c 1393.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 382.24 a 441.00 408.00 245.17 a 62.50 0.00 0.00 1538.91
1949 0.00 0.00 10.00 82.76 a 240.00 239.50 364.50 424.18 a 308.00 20.00 40.50 1.00 1730.44
1950 0.00 2.00 0.50 39.00 102.50 336.00 408.68 a 466.07 b 298.50 63.00 10.50 12.50 1739.25
1951 0.00 4.50 4.00 66.00 165.00 358.50 463.50 399.00 304.66 a 128.00 1.00 0.00 1894.16
1952 0.00 5.00 2.00 99.00 178.00 225.00 a 444.50 489.28 a 340.00 142.08 a 13.00 2.07 a 1939.93
1953 6.20 a 0.00 19.00 55.18 b 190.00 253.93 b 426.00 475.00 342.50 156.50 38.50 0.00 1962.81
1954 0.00 0.00 0.00 d 29.00 167.00 219.50 346.00 357.50 278.50 107.50 58.00 0.00 1563.00
1955 0.50 0.00 1.50 10.50 105.50 289.14 a 346.50 342.50 238.00 88.50 6.50 0.00 a 1429.14
1956 0.00 0.00 2.50 80.50 248.50 305.50 497.03 a 430.00 273.50 82.67 a 5.50 0.50 1926.20
1957 0.00 0.50 1.03 a 66.21 a 301.22 a 351.21 a 384.92 a 392.50 386.90 a 91.81 e 5.50 3.00 1984.78
1958 0.50 23.00 13.50 54.00 305.00 h 499.50 681.50 555.50 318.50 189.00 11.50 14.00 2360.50
1959 0.00 0.00 b 2.00 64.00 130.00 f 348.00 502.00 450.00 255.00 101.00 13.00 0.00 1735.00
1960 0.50 0.00 22.00 84.00 140.00 318.00 518.50 430.38 a 274.00 151.50 1.00 0.00 1939.88
1961 2.00 4.50 24.50 42.50 178.50 408.50 524.00 557.00 276.50 97.50 0.00 0.00 2115.50
1962 0.00 17.00 2.58 a 93.00 94.50 296.00 424.00 440.00 293.00 119.72 b 22.50 2.50 1804.81
1963 0.00 19.00 10.50 34.00 220.00 286.50 393.50 486.00 429.83 a 186.50 8.00 3.10 a 2076.93
1964 0.00 0.00 18.00 22.00 125.50 250.00 371.00 329.00 211.00 91.50 0.00 0.00 1418.00
1965 0.00 0.00 0.00 62.00 0.00 z 293.50 466.00 463.00 211.00 156.50 43.00 1.50 1696.50
1966 0.00 2.50 24.50 27.50 128.00 281.50 391.00 407.00 334.50 99.00 2.50 1.50 1699.50
1967 1.00 0.00 0.50 2.00 166.50 395.50 436.00 545.50 383.00 120.00 15.00 0.00 2065.00
1968 6.50 15.00 0.00 z 32.50 174.50 274.50 474.50 385.00 263.00 54.00 2.50 0.00 1682.00
1969 0.00 0.00 15.50 28.00 232.50 434.50 391.50 336.50 259.50 67.50 12.50 0.00 1778.00
1970 0.50 6.00 6.00 6.50 116.00 328.00 404.50 383.00 176.00 50.50 23.00 0.00 c 1500.00
1971 1.50 0.00 c 3.00 48.50 165.00 211.50 439.00 493.00 199.00 88.50 2.50 0.00 1651.50
1972 0.00 0.50 20.50 20.50 228.50 276.00 420.00 456.50 204.50 54.00 7.50 0.50 1689.00
1973 2.50 2.00 0.00 18.50 188.00 291.00 413.00 337.50 311.50 56.00 0.00 z 0.00 1620.00
1974 1.50 0.00 6.50 30.50 99.50 285.00 377.50 452.00 367.00 98.00 5.50 1.00 1724.00
1975 0.00 0.00 1.00 2.00 138.50 253.97 a 466.00 362.50 323.28 a 84.50 24.00 5.50 1661.24
1976 1.50 0.00 2.50 55.50 167.00 210.00 406.50 361.50 327.00 106.50 13.00 1.50 1652.50
1977 1.00 8.50 2.00 95.50 109.50 352.50 366.50 527.00 229.00 51.00 3.50 4.00 1750.00
1978 0.50 14.00 20.50 39.50 131.50 410.50 482.00 429.00 253.00 135.00 3.50 0.00 1919.00
1979 0.00 0.00 15.50 47.00 210.00 308.00 486.00 473.00 376.55 a 144.50 2.00 0.50 2063.05
1980 0.00 z 4.00 5.00 100.00 186.50 261.50 420.00 390.50 299.50 114.00 48.50 24.28 a 1853.78
1981 12.50 1.50 28.00 71.00 176.00 265.00 459.50 571.00 322.00 36.50 35.00 0.00 b 1978.00
1982 0.00 2.00 0.00 34.00 175.50 414.00 397.50 460.00 319.00 97.50 1.00 0.00 1900.50
1983 1.50 14.00 11.50 67.00 263.00 298.50 318.50 493.00 232.00 65.50 10.00 0.00 1774.50
1984 6.00 1.50 20.00 44.50 135.00 305.50 445.50 454.00 255.00 82.00 0.50 0.00 1749.50
1985 0.00 0.00 0.00 57.00 181.00 294.50 544.00 446.50 218.50 74.00 6.00 0.00 1821.50
1986 1.50 33.00 43.00 23.50 190.50 367.00 376.00 532.50 251.50 115.00 3.00 0.00 1936.50
1987 0.00 7.00 18.50 107.00 199.00 362.50 465.00 458.00 357.50 120.00 34.50 0.00 2129.00
1988 0.00 z 0.00 z 5.00 75.00 208.50 284.50 435.00 456.50 296.50 191.00 10.00 2.00 1964.00
1989 2.00 0.00 5.00 83.00 153.00 339.50 402.00 431.50 318.50 97.00 12.00 6.00 1849.50
1990 0.00 1.50 11.00 73.50 134.00 301.00 521.50 520.50 364.50 44.00 27.50 0.00 1999.00
1991 0.50 14.00 3.50 33.00 124.50 131.00 n 471.00 501.50 323.50 114.50 15.50 0.00 1601.50
1992 2.00 25.50 13.00 128.50 254.50 388.50 463.00 467.50 251.00 118.00 1.50 0.00 2113.00
1993 0.00 3.50 10.00 45.50 299.50 297.00 355.50 433.00 294.50 138.00 0.50 3.00 1880.00
1994 0.00 1.00 21.00 84.50 225.00 288.00 503.50 496.50 382.50 68.00 0.00 0.00 2070.00
1995 5.00 8.50 21.50 58.50 245.50 338.00 495.50 360.00 380.50 0.00 z 38.00 0.00 1951.00
1996 2.00 4.50 18.00 92.50 104.50 272.00 479.00 458.50 224.00 94.50 11.50 0.00 1761.00
1997 0.00 5.50 10.50 36.00 262.50 304.00 440.00 540.50 0.00 z 96.50 0.00 z 0.00 z 1695.50
1998 2.00 1.00 24.50 64.00 0.00 z 0.00 z 641.00 631.00 472.50 84.50 0.00 z 2.00 1922.50
1999 0.00 0.00 6.00 40.00 95.50 248.50 383.50 466.50 272.00 68.00 25.50 0.50 1606.00
2000 0.00 0.00 0.50 81.50 184.50 331.50 449.50 423.50 315.00 94.00 1.50 0.00 1881.50
2001 0.00 0.00 11.50 67.00 240.00 149.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 318.50
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 134.50 v 446.50 273.00 66.50 18.00 0.50 804.50
2003 5.50 0.00 26.50 38.00 173.00 353.00 521.50 484.50 354.00 163.50 0.50 0.00 2120.00
2004 0.00 0.00 30.50 114.50 217.50 383.50 545.00 567.50 275.50 123.00 6.50 1.00 2264.50
2005 25.83 d 5.50 47.50 0.00 z 255.00 298.50 447.50 477.00 254.50 141.50 0.00 4.50 1957.33
2006 0.00 0.00 8.50 40.00 170.00 359.50 498.50 412.00 286.50 62.00 22.00 0.00 1859.00
2007 1.00 0.00 17.50 48.50 161.00 263.50 474.50 389.00 210.00 57.50 3.00 2.00 1627.50
2008 0.00 3.00 1.50 24.50 150.50 201.00 305.50 f 168.50 r 235.18 b 54.00 17.50 1.50 688.68
2009 0.00 0.00 0.00 12.50 0.00 z 0.00 z 0.00 z 422.50 290.50 33.00 0.00 0.00 758.50
2010 0.50 0.00 14.00 29.50 70.00 203.50 389.00 370.50 267.50 77.50 15.50 0.00 1437.50
2011 0.00 0.00 0.00 0.00 30.48 a 205.50 314.50 367.00 315.00 46.00 0.00 0.00 1278.48
2012 0.00 0.00 0.00 43.00 111.00 112.50 l 369.50 415.50 244.82 b 53.50 16.50 0.00 1253.82
2013 0.00 a 0.00 a 3.50 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 3.50
Period of Record Statistics
MEAN 1.82 4.25 11.97 56.17 176.35 306.30 439.33 441.79 287.56 98.52 12.08 1.71 1820.58
S.D. 4.24 7.59 12.63 32.35 56.13 56.63 67.52 61.98 56.72 39.51 13.13 3.95 209.70
SKEW 3.72 2.65 1.48 0.49 0.05 0.56 0.90 0.42 0.61 0.33 1.35 3.77 -0.31
MAX 25.83 40.00 60.50 156.00 301.22 499.50 681.50 631.00 472.50 191.00 58.00 24.28 2264.50
MIN 0.00 0.00 0.00 0.00 30.48 201.00 314.50 325.00 176.00 20.00 0.00 0.00 1278.48
NO YRS 79 81 81 80 77 78 78 81 81 81 78 80 60