ROCHESTER INTL AP, MINNESOTA

Monthly Total Growing Degree Days

(217004)

Base Temperature = 50 F

File last updated on Apr 6, 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
1893 0.00 r 0.00 z 0.00 a 9.64 b 167.40 a 96.00 x 290.50 r 550.00 398.04 b 113.50 g 12.00 e 0.00 z 1137.08
1894 0.00 0.00 f 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
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 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
1907 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
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 247.50 m 601.00 595.72 a 616.00 0.00 z 0.00 z 29.50 1842.22
1909 0.00 z 0.00 0.00 4.50 178.25 e 461.67 c 603.00 720.00 226.00 91.45 a 21.50 0.00 c 2306.37
1910 0.00 0.00 h 55.50 117.00 108.50 563.33 c 679.93 a 555.00 265.00 160.00 0.00 0.00 2504.27
1911 0.00 0.00 3.50 64.00 436.50 633.00 656.68 a 0.00 z 270.58 d 38.00 0.00 0.00 2102.26
1912 0.00 0.00 0.00 91.55 a 303.00 404.50 662.50 509.50 343.50 75.00 1.00 0.00 a 2390.55
1913 0.00 0.00 0.00 85.00 186.00 604.50 639.00 653.00 371.00 125.50 16.50 0.00 2680.50
1914 0.00 0.00 0.00 78.50 298.50 522.00 736.50 590.50 331.00 229.00 14.00 0.00 2800.00
1915 0.00 a 0.00 0.00 230.00 148.28 a 332.68 b 524.00 429.50 319.00 104.50 12.50 0.00 2100.46
1916 0.00 0.00 0.00 18.50 235.00 341.50 847.00 678.00 344.00 118.32 a 11.00 0.00 2593.32
1917 0.00 0.00 0.00 44.50 140.50 379.00 660.00 496.50 280.50 16.00 0.00 0.00 2017.00
1918 0.00 a 0.00 18.08 a 10.00 329.00 509.50 574.50 528.00 f 191.50 110.00 16.50 0.00 d 1759.08
1919 0.00 0.00 1.00 20.50 203.57 a 608.04 b 722.50 554.50 421.00 41.91 d 0.00 a 0.00 2573.01
1920 0.00 0.00 18.60 a 21.00 213.50 527.00 571.00 491.00 446.50 165.50 h 0.00 0.00 z 2288.60
1921 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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 92.50 g 0.50 0.00 0.50
1929 0.00 e 0.00 a 0.00 44.00 n 194.50 450.50 672.04 c 545.00 288.50 62.00 a 0.00 a 0.00 c 2212.54
1930 0.00 0.50 8.00 76.50 266.50 477.00 708.50 635.50 333.50 142.00 29.50 0.00 2677.50
1931 0.00 d 0.00 0.00 102.00 202.00 670.50 743.00 580.50 510.00 a 157.67 b 19.50 0.00 2985.17
1932 0.00 0.00 a 0.00 38.00 265.00 578.50 686.00 629.50 236.00 69.00 0.00 a 0.00 2502.00
1933 0.00 0.00 0.00 a 37.00 245.50 715.50 696.50 477.00 456.50 52.50 15.00 0.00 2695.50
1934 0.00 0.00 0.00 61.50 505.00 657.00 715.50 510.00 224.50 167.00 5.50 0.00 2846.00
1935 0.00 0.00 1.50 53.00 116.00 360.00 798.00 601.50 347.50 69.50 0.00 0.00 2347.00
1936 0.00 0.00 0.00 23.50 399.00 427.00 857.50 726.50 415.00 69.00 0.00 0.00 2917.50
1937 0.00 a 0.00 0.00 14.50 210.00 400.50 683.50 752.50 342.50 56.00 0.00 0.00 2459.50
1938 0.00 0.00 7.50 74.50 206.50 446.50 655.00 643.00 317.00 175.50 34.00 0.00 2559.50
1939 0.00 0.00 17.00 66.50 393.50 556.50 699.50 583.50 446.50 97.50 0.00 0.00 2860.50
1940 0.00 0.00 0.00 30.00 216.50 543.00 713.00 529.50 400.50 112.00 3.50 0.00 2548.00
1941 0.00 0.00 0.00 140.50 387.00 533.50 695.00 645.50 388.00 90.00 12.00 0.00 2891.50
1942 0.00 a 0.00 3.00 151.00 192.50 468.50 623.50 594.00 282.50 93.00 13.00 0.00 2421.00
1943 0.00 0.00 15.50 20.50 196.50 598.00 735.50 634.50 210.00 81.00 0.00 0.00 2491.50
1944 0.00 0.00 0.00 12.50 394.50 567.50 603.50 627.00 327.50 70.00 19.00 0.00 2621.50
1945 0.00 0.00 46.50 36.50 113.50 339.00 583.00 591.00 299.00 75.00 2.00 0.00 2085.50
1946 0.00 0.00 34.00 115.50 169.00 498.50 688.00 500.50 276.50 130.00 0.00 0.00 2412.00
1947 0.00 0.00 0.00 31.50 122.50 414.00 636.50 837.00 417.00 252.00 4.00 0.00 2714.50
1948 0.00 0.00 3.50 113.00 219.50 485.50 721.00 675.00 460.00 54.00 6.50 0.00 2738.00
1949 0.00 0.00 0.00 74.00 334.50 648.00 777.50 685.50 231.00 175.00 7.50 0.00 2933.00
1950 0.00 0.00 0.00 6.00 235.00 492.50 588.00 484.50 324.00 179.50 0.50 0.00 2310.00
1951 0.00 0.00 0.00 47.00 340.50 402.93 a 635.00 534.50 236.00 113.50 0.00 0.00 2309.43
1952 0.00 0.00 0.00 122.50 188.50 566.50 649.97 a 550.50 334.00 11.00 6.00 0.00 2428.97
1953 0.00 0.00 5.50 7.50 258.00 579.50 624.50 628.27 a 305.50 226.50 21.50 0.00 2656.77
1954 0.00 a 0.00 0.00 78.50 147.00 600.00 698.50 552.50 300.50 70.50 7.00 0.00 2454.50
1955 0.00 0.00 0.50 102.00 345.00 451.00 843.50 758.00 355.00 131.75 a 0.00 0.00 2986.75
1956 0.00 0.00 0.00 7.50 256.00 656.50 567.00 600.50 245.00 199.00 16.50 0.00 2548.00
1957 0.00 0.00 0.00 a 116.50 178.00 472.00 773.50 580.50 268.50 78.00 0.00 0.00 2467.00
1958 0.00 0.00 0.00 49.00 243.00 304.50 521.00 551.50 309.50 159.00 2.00 0.00 2139.50
1959 0.00 0.00 0.00 45.50 339.00 543.00 638.00 714.00 338.50 12.50 0.00 0.00 2630.50
1960 0.00 0.00 0.50 81.00 253.00 388.50 609.50 641.00 363.00 110.50 0.00 a 0.00 2447.00
1961 0.00 0.00 0.00 1.50 179.00 493.50 604.50 627.50 304.00 130.50 0.00 0.00 2340.50
1962 0.00 0.00 0.00 69.00 360.50 477.50 539.00 560.50 209.00 156.07 b 0.00 3.00 2374.57
1963 0.00 0.00 14.50 60.00 197.00 585.50 640.50 518.00 335.00 278.50 1.00 0.00 2630.00
1964 0.00 0.00 0.00 40.00 319.50 514.50 738.00 488.50 247.50 71.00 16.50 0.00 2435.50
1965 0.00 0.00 0.00 23.50 286.50 462.00 589.50 504.50 176.50 95.50 5.00 0.00 2143.00
1966 0.00 0.00 6.00 7.00 151.00 516.50 679.00 502.00 286.00 79.50 1.50 0.00 2228.50
1967 0.00 0.00 13.00 33.50 136.50 482.50 522.50 438.00 274.50 89.00 0.00 0.00 1989.50
1968 0.00 0.00 14.00 72.00 100.50 454.00 549.00 531.00 248.00 119.00 2.50 0.00 2090.00
1969 0.00 0.00 0.00 34.00 264.50 293.00 612.50 593.50 304.00 89.50 3.00 0.00 2194.00
1970 0.00 0.00 0.00 85.00 281.50 537.00 643.50 574.50 305.50 89.50 0.00 0.00 2516.50
1971 0.00 0.00 1.50 66.50 165.00 640.50 527.00 547.50 366.50 154.00 4.50 0.00 2473.00
1972 0.00 0.00 0.00 12.00 328.00 467.00 549.00 564.50 259.00 53.50 0.00 0.00 2233.00
1973 0.00 0.00 3.00 38.50 148.00 547.00 649.50 637.00 290.50 179.50 1.00 0.00 2494.00
1974 0.00 0.00 0.00 78.50 178.50 429.00 760.50 500.50 185.00 95.00 5.00 0.00 2232.00
1975 0.00 0.00 0.00 13.00 333.50 525.00 718.00 645.50 197.50 170.50 36.00 0.00 2639.00
1976 0.00 0.00 3.00 83.00 210.00 546.50 735.50 614.00 271.50 78.00 0.00 0.00 2541.50
1977 0.00 0.00 10.00 207.00 448.50 502.00 712.00 466.50 326.00 23.00 11.50 0.00 2706.50
1978 0.00 0.00 13.50 19.00 260.00 490.50 592.50 583.00 413.00 44.00 12.50 0.00 2428.00
1979 0.00 0.00 0.00 32.50 200.00 531.50 702.00 577.00 375.00 58.50 1.50 0.00 2478.00
1980 0.00 0.00 0.00 97.50 341.00 511.50 720.00 610.50 315.50 43.50 0.50 0.00 2640.00
1981 0.00 0.00 9.50 59.50 184.50 476.50 616.00 545.50 231.50 34.00 11.00 0.00 2168.00
1982 0.00 0.00 0.00 32.00 324.00 345.00 709.50 579.00 321.50 77.50 2.50 5.50 2396.50
1983 0.00 0.00 1.00 17.50 90.00 477.00 739.50 730.50 342.50 58.50 11.00 0.00 2467.50
1984 0.00 0.00 0.00 17.00 129.00 477.00 549.50 639.00 237.00 118.00 0.00 0.00 2166.50
1985 0.00 0.00 1.00 156.00 320.00 377.50 634.50 474.00 318.50 19.50 0.00 0.00 2301.00
1986 0.00 0.00 33.00 75.00 246.00 477.50 663.00 435.00 285.00 55.50 0.00 0.00 2270.00
1987 0.00 0.00 10.50 124.50 349.00 600.00 732.50 518.00 299.00 19.00 14.00 0.00 2666.50
1988 0.00 0.00 0.00 29.50 366.50 612.50 733.00 700.00 329.50 32.50 0.00 0.00 2803.50
1989 0.00 0.00 15.00 57.50 229.00 435.00 691.00 574.00 269.00 136.00 0.00 0.00 2406.50
1990 0.00 0.00 10.50 120.00 148.00 532.50 601.50 602.00 383.00 47.50 23.00 0.00 2468.00
1991 0.00 0.00 10.50 91.50 395.00 665.50 623.00 588.00 272.00 69.50 0.00 0.00 2715.00
1992 0.00 0.00 0.00 34.50 276.50 436.00 439.50 407.00 247.00 93.00 0.00 0.00 1933.50
1993 0.00 0.00 0.00 11.50 187.00 410.00 586.50 567.50 141.00 62.00 0.00 0.00 1965.50
1994 0.00 0.00 0.00 68.00 283.50 557.50 536.50 461.50 398.00 97.50 1.00 0.00 2403.50
1995 0.00 0.00 3.50 0.00 164.00 576.50 648.00 721.00 276.50 73.50 0.00 0.00 2463.00
1996 0.00 0.00 0.00 17.50 160.50 490.00 521.00 511.50 268.00 90.00 0.00 0.00 2058.50
1997 0.00 0.00 0.50 17.50 97.00 531.00 584.50 479.00 313.50 171.00 0.00 0.00 2194.00
1998 0.00 0.00 20.50 64.50 409.00 417.50 607.00 590.00 433.50 71.50 8.00 0.00 2621.50
1999 0.00 a 0.00 2.50 26.50 258.00 470.00 718.50 517.00 253.50 64.00 16.55 a 0.00 2326.55
2000 0.00 0.50 25.00 57.50 288.50 434.50 601.50 588.00 312.00 148.50 12.00 0.00 2468.00
2001 0.00 0.00 0.00 90.00 249.50 491.00 695.00 586.00 250.50 55.00 47.00 1.03 a 2465.03
2002 0.00 0.00 0.00 85.50 184.50 563.50 712.00 533.00 383.50 41.50 0.00 0.00 2503.50
2003 0.00 0.00 5.00 75.50 173.50 461.00 605.00 644.00 315.00 118.00 0.00 0.00 2397.00
2004 0.00 0.00 22.00 90.00 236.00 424.50 565.00 417.00 432.00 78.50 8.00 0.00 2273.00
2005 0.00 0.00 9.00 101.50 220.00 656.00 693.00 549.00 442.50 157.50 8.00 0.00 2836.50
2006 0.00 0.00 0.00 114.50 318.00 546.50 753.50 608.50 248.50 86.50 15.50 0.00 2691.50
2007 0.00 0.00 34.00 103.00 389.00 579.50 674.50 614.00 423.50 193.50 0.00 0.00 3011.00
2008 0.00 0.00 0.00 44.50 198.50 542.00 658.00 573.50 376.50 91.50 47.00 0.00 2531.50
2009 0.00 0.00 0.00 54.00 257.00 475.50 475.50 487.50 380.00 8.00 14.50 0.00 2152.00
2010 0.00 0.00 23.00 124.50 324.50 513.50 703.00 704.50 286.50 164.00 13.00 0.00 2856.50
2011 0.00 0.00 0.00 31.50 278.00 538.50 777.50 594.00 287.00 174.50 2.00 0.00 2683.00
2012 0.00 0.00 169.50 70.00 411.00 630.50 839.00 594.50 362.00 106.00 14.00 0.00 3196.50
2013 0.00 0.00 0.00 a 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
Period of Record Statistics
MEAN 0.00 0.01 7.38 61.09 248.60 504.23 657.61 579.58 318.58 100.65 7.14 0.40 2487.86
S.D. 0.00 0.07 19.57 44.79 91.10 88.32 83.06 81.66 78.24 56.17 9.99 3.05 262.67
SKEW 0.00 6.71 6.19 1.07 0.46 -0.07 0.02 0.38 0.66 0.75 1.93 9.12 0.13
MAX 0.00 0.50 169.50 230.00 505.00 715.50 857.50 837.00 616.00 278.50 47.00 29.50 3196.50
MIN 0.00 0.00 0.00 0.00 90.00 293.00 439.50 407.00 141.00 8.00 0.00 0.00 1933.50
NO YRS 97 96 98 96 97 96 97 96 98 95 98 97 90