date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 295.50 78.50 0.00 0.00 374.00
1923 0.00 0.00 a 0.00 32.50 148.00 497.00 543.00 330.00 223.00 37.00 0.00 c 0.00 1810.50
1924 0.00 0.00 0.00 4.00 29.50 224.00 368.00 376.00 100.00 47.53 a 0.00 z 0.00 z 1149.03
1925 0.00 z 0.00 r 0.00 49.00 106.00 374.50 306.50 i 459.00 235.50 0.00 0.00 0.00 1224.00
1926 0.00 0.00 0.00 13.50 162.00 218.00 445.00 399.00 133.00 17.00 0.00 0.00 1387.50
1927 0.00 0.00 4.00 24.50 29.50 263.00 379.00 239.50 297.00 34.62 a 0.00 0.00 1271.12
1928 0.00 0.00 a 0.00 0.00 136.50 195.00 471.00 404.50 104.00 81.50 0.00 0.00 1392.50
1929 0.00 0.00 0.00 14.50 145.50 288.50 459.50 368.50 221.50 34.50 0.00 0.00 1532.50
1930 0.00 0.00 0.00 27.00 209.00 347.00 472.00 448.50 216.50 93.00 3.50 0.00 a 1816.50
1931 0.00 0.00 0.00 27.50 123.00 446.50 539.00 354.00 350.50 81.50 4.00 0.00 1926.00
1932 0.00 0.00 0.00 6.00 137.50 413.50 510.50 439.50 129.00 12.00 0.00 0.00 1648.00
1933 0.00 0.00 0.00 4.50 186.00 566.50 529.50 0.00 z 287.50 20.50 4.00 0.00 1598.50
1934 0.00 0.00 0.00 21.50 278.50 421.00 521.00 312.50 120.50 65.00 0.00 0.00 1740.00
1935 0.00 0.00 0.00 22.50 74.50 210.50 612.50 415.00 131.00 17.50 0.00 0.00 1483.50
1936 0.00 0.00 0.00 3.00 207.50 243.50 624.00 406.50 219.50 24.50 0.00 0.00 1728.50
1937 0.00 0.00 0.00 4.00 140.00 347.50 569.50 598.50 199.50 20.50 0.00 0.00 a 1879.50
1938 0.00 0.00 0.50 24.50 119.00 291.50 490.00 471.00 158.50 102.00 18.00 0.00 1675.00
1939 0.00 0.00 3.50 31.00 228.50 356.50 543.50 445.00 262.50 44.50 0.00 0.00 1915.00
1940 0.00 0.00 0.00 4.00 73.00 281.00 478.00 383.00 261.50 53.00 0.00 0.00 1533.50
1941 0.00 0.00 0.00 80.00 257.50 448.00 546.00 418.00 259.50 23.00 2.00 0.00 2034.00
1942 0.00 0.00 0.00 130.50 104.00 358.50 454.50 447.00 211.50 67.00 0.00 0.00 1773.00
1943 0.00 0.00 0.00 20.00 133.00 449.50 610.50 480.00 145.50 97.50 0.00 0.00 1936.00
1944 0.00 0.00 0.00 4.00 294.00 422.50 526.50 533.50 223.50 48.00 17.50 0.00 2069.50
1945 0.00 0.00 23.00 44.00 52.00 284.00 420.50 450.50 208.00 61.50 1.00 0.00 1544.50
1946 0.00 0.00 28.00 38.00 110.50 348.00 511.50 395.50 208.00 93.00 0.00 0.00 1732.50
1947 0.00 0.00 0.00 17.00 61.00 282.50 496.00 672.50 299.50 220.50 0.00 0.00 2049.00
1948 0.00 0.00 0.00 44.50 135.50 339.50 514.00 501.00 322.50 33.50 3.00 0.00 1893.50
1949 0.00 0.00 0.00 50.00 172.00 492.00 541.50 506.00 137.00 76.98 a 0.00 0.00 b 1975.48
1950 0.00 0.00 0.00 b 0.00 114.50 341.50 391.50 291.50 192.00 93.00 1.50 0.00 1425.50
1951 0.00 0.00 0.00 21.00 253.00 263.00 469.00 308.00 129.50 55.50 0.00 0.00 1499.00
1952 0.00 0.00 0.00 114.00 127.50 399.00 515.00 414.50 259.00 7.50 0.00 0.00 1836.50
1953 0.00 0.00 0.00 a 5.00 155.00 393.00 483.00 510.00 217.00 155.50 13.50 0.00 1932.00
1954 0.00 0.00 0.00 8.50 85.00 427.50 473.50 388.57 b 135.50 34.50 0.00 0.00 1553.07
1955 0.00 0.00 0.00 64.50 236.50 372.00 665.50 590.50 222.00 87.00 0.00 0.00 2238.00
1956 0.00 0.00 0.00 0.00 120.50 411.00 383.50 429.00 143.00 125.50 22.50 0.00 1635.00
1957 0.00 0.00 0.00 88.00 129.50 344.00 553.00 420.50 161.38 a 23.50 0.00 0.00 1719.88
1958 0.00 0.00 0.00 41.00 113.00 201.00 440.50 415.50 209.50 47.50 0.00 0.00 1468.00
1959 0.00 0.00 0.00 8.50 247.50 398.00 486.50 554.00 247.50 19.00 0.00 0.00 1961.00
1960 0.00 0.00 0.00 33.50 166.00 266.50 440.00 483.00 238.50 59.00 0.00 0.00 1686.50
1961 0.00 0.00 0.00 6.00 100.00 351.50 453.50 464.00 244.50 96.00 0.00 0.00 1715.50
1962 0.00 0.00 0.00 28.50 257.00 333.00 399.50 404.55 a 126.00 92.50 0.00 0.50 1641.55
1963 0.00 0.00 2.00 38.50 104.50 397.00 505.00 354.00 166.50 179.50 0.00 0.00 1747.00
1964 0.00 0.00 0.00 25.00 228.00 344.00 519.00 312.50 187.50 40.00 17.50 0.00 1673.50
1965 0.00 0.00 0.00 11.00 218.50 264.00 378.50 375.50 104.50 73.00 0.00 0.00 b 1425.00
1966 0.00 0.00 0.00 0.50 89.00 375.50 570.00 365.00 179.00 29.50 0.00 0.00 1608.50
1967 0.00 0.00 4.00 14.50 55.00 309.50 382.00 296.00 179.00 38.00 0.00 0.00 1278.00
1968 0.00 0.00 0.50 17.00 66.00 321.50 435.50 418.00 0.00 z 119.50 0.00 0.00 1378.00
1969 0.00 0.00 a 0.00 18.50 178.00 144.50 412.50 470.00 197.50 40.50 0.00 0.00 1461.50
1970 0.00 0.00 0.00 71.50 149.50 376.50 535.00 419.50 233.50 57.00 0.00 0.00 1842.50
1971 0.00 0.00 0.00 13.50 61.00 428.50 355.00 314.00 247.00 146.50 0.00 0.00 1565.50
1972 0.00 0.00 0.00 3.50 220.50 277.50 423.00 421.50 134.00 24.00 0.00 0.00 1504.00
1973 0.00 0.00 0.00 31.00 65.50 359.00 484.00 489.00 201.50 109.00 0.00 0.00 1739.00
1974 0.00 0.00 0.00 58.50 88.00 227.50 526.50 387.50 88.00 41.00 1.50 0.00 1418.50
1975 0.00 0.00 0.00 2.00 235.00 365.50 553.50 401.50 104.00 71.82 a 10.50 0.00 1743.82
1976 0.00 0.00 0.00 51.50 103.50 434.00 471.50 419.50 187.00 36.50 0.00 0.00 1703.50
1977 0.00 0.00 0.00 113.50 372.50 292.00 571.50 274.50 175.34 a 13.00 5.50 0.00 1817.84
1978 0.00 0.00 0.00 2.50 221.50 307.50 432.00 450.50 282.00 29.50 3.50 0.00 1729.00
1979 0.00 0.00 0.00 12.00 88.50 277.50 481.00 367.50 233.00 24.50 0.00 0.00 1484.00
1980 0.00 0.00 0.00 55.50 235.50 302.50 509.50 457.50 187.00 25.50 0.00 0.00 1773.00
1981 0.00 0.00 0.50 15.00 92.50 343.00 459.00 438.50 147.50 15.00 1.50 0.00 1512.50
1982 0.00 0.00 0.00 28.00 274.50 147.50 513.00 347.00 155.00 24.00 0.00 0.00 1489.00
1983 0.00 0.00 0.00 11.50 35.50 297.50 605.50 522.00 236.50 45.50 0.00 0.00 1754.00
1984 0.00 0.00 0.00 16.00 81.50 373.50 404.50 483.50 118.50 66.00 0.00 0.00 1543.50
1985 0.00 0.00 0.00 88.00 136.00 199.00 382.00 317.00 184.50 3.00 0.00 0.00 1309.50
1986 0.00 0.00 2.00 59.50 206.00 256.50 475.00 283.00 159.00 17.00 0.00 0.00 1458.00
1987 0.00 0.00 0.00 42.00 176.50 400.50 497.00 348.50 157.00 1.00 4.50 0.00 1627.00
1988 0.00 a 0.00 0.00 0.00 181.50 360.50 492.00 455.50 140.00 17.00 0.00 0.00 1646.50
1989 0.00 0.00 2.00 7.50 121.50 239.00 483.50 385.00 128.50 49.50 0.00 0.00 1416.50
1990 0.00 0.00 1.50 114.00 44.50 294.00 369.50 344.50 152.00 9.50 0.00 z 0.00 z 1329.50
1991 0.00 z 0.00 z 0.00 48.50 288.50 395.50 397.50 420.50 144.00 0.50 0.00 0.00 1695.00
1992 0.00 0.00 0.00 3.50 158.00 205.50 216.50 213.00 114.50 29.50 0.00 0.00 940.50
1993 0.00 0.00 0.00 0.00 108.00 237.00 412.50 389.50 42.50 10.00 0.00 0.00 1199.50
1994 0.00 0.00 0.00 15.00 129.50 359.00 357.50 274.00 195.00 43.00 0.00 0.00 1373.00
1995 0.00 0.00 0.50 0.00 61.50 455.00 435.00 508.00 128.50 41.00 0.00 0.00 1629.50
1996 0.00 0.00 0.00 0.00 75.00 322.00 315.50 363.00 181.50 12.50 0.00 0.00 1269.50
1997 0.00 0.00 0.00 4.00 21.00 360.00 388.00 243.00 156.00 70.00 1.00 0.00 1243.00
1998 0.00 0.00 0.50 17.50 215.00 310.00 404.00 443.00 238.00 35.00 0.00 0.00 1663.00
1999 0.00 0.00 0.00 9.00 174.50 355.50 530.50 330.00 145.50 1.00 4.00 0.00 1550.00
2000 0.00 0.00 0.50 5.00 143.50 246.50 376.50 349.50 148.45 a 53.50 2.50 0.00 1325.95
2001 0.00 0.00 0.00 14.00 135.76 b 353.00 411.50 437.50 130.00 20.00 10.00 0.00 1511.76
2002 0.00 0.00 0.00 z 45.00 76.50 357.00 580.50 390.00 229.00 29.00 0.00 0.00 1707.00
2003 0.00 0.00 0.00 z 19.00 51.50 255.50 396.00 438.50 215.50 35.50 0.00 0.00 1411.50
2004 0.00 0.00 0.00 13.50 68.50 216.00 349.50 206.50 0.00 z 23.00 0.00 0.00 877.00
2005 0.00 0.00 0.00 23.00 94.00 445.50 468.50 381.50 208.00 83.50 0.00 0.00 1704.00
2006 0.00 0.00 0.00 15.00 162.00 297.00 519.50 369.00 107.00 26.00 0.00 0.00 1495.50
2007 0.00 0.00 0.00 z 19.50 176.00 345.50 432.00 415.50 210.50 116.50 0.00 0.00 a 1715.50
2008 0.00 0.00 0.00 9.50 39.50 302.50 418.50 308.00 131.00 14.50 6.00 0.00 1229.50
2009 0.00 0.00 0.00 7.50 63.50 240.00 241.00 291.50 200.00 3.00 0.00 0.00 1046.50
2010 0.00 0.00 0.00 30.50 217.50 302.50 505.50 468.00 84.00 24.00 0.00 0.00 1632.00
2011 0.00 0.00 0.00 0.00 121.00 265.50 524.00 393.50 157.00 66.50 0.00 0.00 1527.50
2012 0.00 0.00 56.50 8.00 176.50 356.00 548.00 338.00 137.14 b 7.50 j 0.00 z 0.00 z 1620.14
Period of Record Statistics
MEAN 0.00 0.00 1.49 26.54 142.72 328.97 469.48 402.43 184.88 50.72 1.80 0.01 1616.08
S.D. 0.00 0.00 7.13 28.72 72.66 80.88 80.24 83.80 59.53 41.39 4.47 0.05 240.05
SKEW 0.00 0.00 6.29 1.74 0.58 0.12 -0.37 0.22 0.33 1.50 3.04 9.22 -0.13
MAX 0.00 0.00 56.50 130.50 372.50 566.50 665.50 672.50 350.50 220.50 22.50 0.50 2238.00
MIN 0.00 0.00 0.00 0.00 21.00 144.50 216.50 206.50 42.50 0.00 0.00 0.00 940.50
NO YRS 88 88 87 90 90 90 89 89 89 90 88 88 79