MUD MTN DAM, WASHINGTON

Monthly Total Growing Degree Days

(455704)

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
1939 0.00 k 0.00 14.00 53.50 128.00 128.79 a 377.00 415.50 222.50 80.50 39.50 2.00 1461.29
1940 18.00 0.00 6.00 39.50 197.07 c 287.00 358.00 372.00 295.00 135.50 0.00 0.50 1708.57
1941 1.50 12.50 51.00 62.00 103.00 194.00 486.00 356.50 137.00 50.50 25.50 2.58 a 1482.08
1942 2.07 a 0.00 18.00 39.00 90.50 178.00 437.00 419.00 251.00 130.00 3.00 0.00 1567.57
1943 0.00 4.00 1.00 60.00 50.50 140.50 348.00 297.00 282.00 103.50 11.50 0.00 1298.00
1944 1.00 0.00 2.00 33.50 98.50 168.50 360.50 306.50 295.50 164.00 1.50 1.00 1432.50
1945 0.50 2.00 0.00 5.50 114.00 149.50 403.50 352.00 169.00 124.00 1.00 0.00 1321.00
1946 0.00 0.00 2.00 24.11 b 166.50 136.00 341.50 354.50 213.33 c 4.43 c 0.00 0.00 1242.37
1947 0.00 2.00 41.00 73.50 188.50 160.50 312.00 288.50 245.00 71.50 1.50 0.50 1384.50
1948 0.00 0.00 5.00 7.50 63.03 a 273.50 260.00 269.50 190.00 77.00 0.00 0.00 1145.53
1949 0.00 4.50 2.50 32.00 148.50 143.50 279.00 217.00 g 255.00 8.50 77.50 0.00 951.00
1950 0.00 0.00 0.00 14.00 56.50 192.22 c 358.00 408.00 245.50 28.42 a 8.28 a 3.00 1313.91
1951 0.00 3.50 0.00 a 49.00 92.00 252.00 387.00 334.50 292.76 a 95.50 3.50 0.00 a 1509.76
1952 0.00 0.00 0.00 43.50 113.00 118.00 388.53 a 371.00 308.50 188.00 7.00 0.00 1537.53
1953 1.50 0.00 7.50 23.00 104.00 93.00 338.42 a 351.50 261.00 94.00 21.50 0.00 1295.42
1954 0.00 4.00 0.00 6.21 a 102.00 107.00 205.24 b 213.00 169.50 75.00 28.50 0.50 910.95
1955 0.00 0.00 0.00 8.00 28.00 154.50 202.50 273.26 d 170.00 61.50 10.00 0.00 907.76
1956 0.00 0.00 7.00 51.50 181.00 139.00 404.00 332.45 b 204.50 40.50 7.00 0.00 1366.95
1957 0.00 0.00 0.00 35.00 154.50 221.00 279.00 263.00 351.50 61.00 2.00 0.00 1367.00
1958 0.00 11.00 0.00 20.50 256.00 318.50 539.50 455.50 227.00 124.00 4.00 7.50 1963.50
1959 0.00 0.00 0.00 30.50 84.50 197.00 406.00 308.00 121.50 57.00 14.00 0.00 1218.50
1960 2.00 0.00 11.00 36.50 53.50 202.00 432.00 289.50 186.50 90.50 2.00 0.00 1305.50
1961 10.00 2.00 3.00 9.00 84.00 318.50 422.00 479.00 154.50 74.00 1.00 0.00 1557.00
1962 0.50 10.50 0.00 43.00 9.00 176.50 302.00 302.50 237.50 57.50 7.00 3.00 1149.00
1963 0.00 34.00 4.50 3.50 143.00 144.00 229.50 308.00 317.50 111.50 0.00 3.50 1299.00
1964 0.00 0.00 17.50 0.00 65.50 125.00 287.00 263.00 131.00 143.50 2.50 0.00 1035.00
1965 0.00 0.00 7.00 28.00 41.00 180.50 400.50 372.00 151.50 142.50 20.50 3.00 1346.50
1966 0.00 1.00 12.50 26.50 105.50 166.00 269.50 328.00 250.00 50.00 8.00 0.50 1217.50
1967 0.00 0.00 0.00 0.00 98.50 307.00 375.50 547.00 352.50 66.00 11.50 0.00 1758.00
1968 9.00 19.00 28.00 21.50 96.50 183.00 402.00 301.50 216.50 46.00 1.00 0.00 1324.00
1969 0.00 0.00 16.50 22.00 185.00 313.00 320.00 269.50 216.50 29.00 17.50 0.00 1389.00
1970 0.00 7.50 0.50 0.00 81.50 303.50 356.00 325.50 137.50 62.50 41.50 0.00 1316.00
1971 0.00 2.00 0.00 25.00 112.00 79.00 391.00 470.50 171.50 68.00 0.00 0.00 1319.00
1972 0.00 0.00 11.00 14.50 170.00 183.00 385.50 404.00 157.00 49.50 0.00 0.00 1374.50
1973 0.00 3.00 0.00 21.50 147.50 186.50 368.50 247.00 242.00 30.50 0.00 0.50 1247.00
1974 0.00 0.00 0.00 8.00 40.00 234.00 312.00 412.50 366.50 92.50 1.00 0.00 1466.50
1975 0.00 0.00 0.00 0.00 103.50 164.50 387.50 265.50 275.50 58.50 17.50 0.00 1272.50
1976 0.00 0.00 0.00 32.00 109.00 144.00 323.00 256.50 250.00 62.00 18.50 0.00 1195.00
1977 1.50 7.00 0.00 76.50 37.50 225.00 299.00 492.50 148.50 33.00 1.50 0.00 1322.00
1978 0.00 3.50 11.50 16.50 65.50 318.50 375.00 353.50 157.50 119.50 2.50 0.00 1423.50
1979 0.00 0.00 11.00 45.00 126.00 229.50 395.50 345.00 269.50 90.00 4.00 5.00 1520.50
1980 0.00 0.50 2.00 60.52 a 62.50 129.50 338.50 292.90 b 196.00 109.50 16.00 14.00 1221.91
1981 10.00 2.50 3.00 41.00 86.50 126.50 293.50 474.50 234.00 12.00 36.11 c 1.50 1321.11
1982 0.00 a 0.00 0.00 19.50 71.00 306.00 286.50 353.50 223.00 63.50 3.50 0.00 z 1326.50
1983 0.00 8.00 0.50 38.00 182.00 163.00 264.00 348.00 150.50 20.50 8.00 0.00 1182.50
1984 10.00 0.00 4.50 12.50 41.00 124.50 331.50 342.50 149.50 42.50 0.00 0.00 1058.50
1985 0.00 0.00 0.00 31.00 116.00 210.00 515.00 370.00 127.50 39.50 0.00 0.00 1409.00
1986 3.00 21.50 18.50 22.00 131.50 308.00 243.00 493.00 144.00 87.50 1.00 1.00 1474.00
1987 0.00 23.00 13.00 78.50 131.50 267.00 321.50 388.50 291.00 146.50 11.50 0.00 1672.00
1988 0.00 3.00 7.00 49.50 116.50 180.50 360.50 361.50 238.50 111.50 10.00 3.00 1441.50
1989 0.00 0.00 1.50 76.00 104.50 291.50 324.00 340.00 319.50 75.00 9.00 7.00 1548.00
1990 0.00 0.00 6.00 42.00 76.00 200.50 470.50 443.00 305.00 36.50 5.50 0.00 1585.00
1991 0.00 15.50 1.00 18.50 44.00 122.50 392.50 447.00 287.00 127.50 8.50 0.00 a 1464.00
1992 16.50 30.50 24.00 95.50 206.50 319.00 383.00 420.50 212.00 83.50 0.50 0.00 1791.50
1993 0.00 8.00 5.00 5.50 213.00 199.00 241.50 371.00 292.50 118.00 0.00 3.00 1456.50
1994 2.00 0.00 35.50 42.50 153.00 186.50 450.50 410.50 334.00 65.50 0.00 4.00 1684.00
1995 2.00 0.00 25.50 35.50 175.50 246.00 428.00 291.50 349.50 26.50 32.00 1.50 1613.50
1996 1.00 15.50 12.50 47.50 32.00 184.00 461.50 407.00 154.00 97.00 18.00 1.00 1431.00
1997 7.50 2.50 15.00 13.50 200.00 182.50 352.50 467.50 301.00 58.00 12.50 0.00 1612.50
1998 0.00 2.50 11.50 46.50 83.50 199.50 471.50 423.50 339.00 88.50 2.50 2.50 1671.00
1999 0.00 0.00 2.50 41.50 50.00 128.50 272.00 314.28 b 180.50 25.00 5.17 a 0.00 b 1019.45
2000 0.00 a 0.00 0.00 0.00 z 36.50 147.50 208.00 237.50 119.00 20.00 0.00 0.00 768.50
2001 0.00 0.00 1.50 12.50 74.00 76.00 194.00 253.50 122.50 12.50 9.00 0.00 755.50
2002 0.00 0.00 0.00 0.00 20.50 107.50 279.00 344.50 217.50 23.00 11.50 0.00 1003.50
2003 1.00 0.00 12.00 4.00 90.00 265.50 448.50 417.50 306.00 125.50 0.00 a 0.00 1670.00
2004 0.00 0.00 7.00 34.00 71.50 191.00 338.00 337.00 68.50 38.00 0.00 0.00 1085.00
2005 1.50 0.00 4.50 7.50 65.00 57.50 238.50 294.00 60.50 14.00 0.00 0.00 743.00
2006 0.00 0.00 0.50 31.00 149.00 319.50 479.50 389.00 314.50 60.50 26.00 0.00 1769.50
2007 0.50 0.00 8.00 17.50 80.00 191.00 471.00 380.50 211.50 57.00 7.50 6.50 1431.00
2008 0.00 0.00 0.00 9.00 102.50 127.00 312.00 309.50 172.50 30.50 17.00 0.00 1080.00
2009 0.00 0.00 0.00 24.00 0.00 z 0.00 z 0.00 z 427.00 454.00 162.00 48.00 0.00 1115.00
2010 0.00 0.00 16.00 18.50 51.50 122.50 345.00 369.00 200.00 59.50 13.00 0.00 a 1195.00
2011 1.50 0.00 0.00 0.00 10.50 128.00 247.50 414.00 365.00 56.50 0.00 0.00 1223.00
2012 0.00 0.00 0.00 37.00 98.50 127.50 302.50 377.00 224.00 88.00 21.50 1.00 1277.00
2013 0.00 0.00 3.00 4.50 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 3.00
Period of Record Statistics
MEAN 1.41 3.55 7.09 29.48 103.01 190.00 350.26 357.31 229.19 73.40 10.24 1.08 1357.97
S.D. 3.56 7.10 10.07 21.59 53.56 68.99 78.79 70.73 77.94 41.77 13.61 2.31 240.28
SKEW 3.18 2.58 2.16 0.75 0.54 0.49 0.10 0.30 0.24 0.53 2.37 3.27 -0.18
MAX 18.00 34.00 51.00 95.50 256.00 319.50 539.50 547.00 454.00 188.00 77.50 14.00 1963.50
MIN 0.00 0.00 0.00 0.00 9.00 57.50 194.00 213.00 60.50 4.43 0.00 0.00 743.00
NO YRS 74 75 75 73 73 73 73 73 74 74 74 73 69