RIVER FALLS, WISCONSIN

Monthly Total Growing Degree Days

(477226)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201207
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
1918 0.00 z 0.00 z 0.00 z 18.62 a 264.50 460.50 543.50 592.50 145.00 91.50 13.50 0.00 b 2129.62
1919 0.00 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 230.00 u 59.00 z 379.00 46.50 0.00 0.00 425.50
1920 0.00 a 0.00 5.68 a 8.50 195.00 519.00 548.00 441.50 i 319.50 j 239.50 0.00 0.00 1515.68
1921 0.00 0.00 a 5.00 127.00 309.50 589.66 a 769.00 382.50 i 298.50 59.50 0.00 0.00 2158.16
1922 0.00 a 0.00 0.00 11.50 347.50 513.00 538.50 618.00 439.00 160.68 a 4.50 0.00 2632.68
1923 0.00 0.00 0.00 56.50 246.50 600.50 745.50 507.50 367.50 85.00 0.00 0.00 2609.00
1924 0.00 0.00 0.00 37.00 48.00 405.00 549.00 460.35 a 241.61 b 174.50 0.00 0.00 1915.46
1925 0.00 a 0.00 13.00 90.00 163.50 465.00 572.50 650.48 a 440.50 7.00 0.00 0.00 2401.98
1926 0.00 0.00 0.00 43.50 322.50 324.00 621.50 582.80 a 251.00 68.00 0.00 0.00 2213.30
1927 0.00 a 0.00 1.50 33.00 146.00 351.50 506.00 411.50 382.50 50.00 0.00 0.00 1882.00
1928 0.00 0.00 4.00 26.50 232.50 294.50 601.00 569.50 229.00 124.00 0.00 0.00 2081.00
1929 0.00 0.00 0.00 47.50 173.00 392.00 655.50 561.50 300.00 49.50 0.00 0.00 2179.00
1930 0.00 a 0.00 0.00 60.50 236.50 474.00 676.50 654.50 332.50 127.50 25.00 0.00 2587.00
1931 0.00 0.00 0.00 72.50 180.50 634.00 752.00 578.00 516.21 a 137.50 5.69 a 0.00 a 2876.40
1932 0.00 0.00 0.00 42.50 257.00 589.50 694.00 531.50 265.50 64.00 3.00 0.00 2447.00
1933 0.00 a 0.00 0.00 52.50 280.50 734.00 787.00 561.00 438.00 44.50 23.00 0.00 2920.50
1934 0.00 0.00 0.00 49.50 505.00 625.86 a 721.00 576.60 a 230.50 145.00 2.50 0.00 2855.96
1935 0.00 0.00 0.00 52.76 a 143.12 a 384.00 834.00 597.50 320.00 68.00 0.00 0.00 2399.38
1936 0.00 0.00 0.00 14.00 385.00 473.50 901.50 733.15 a 421.03 a 62.50 4.00 0.00 2994.68
1937 0.00 0.00 0.00 11.00 279.00 445.50 745.50 777.00 371.50 75.00 0.00 0.00 2704.50
1938 0.00 0.00 a 17.50 93.50 227.00 499.00 676.00 697.00 331.00 211.00 26.00 0.00 a 2778.00
1939 0.00 a 0.00 17.10 b 78.00 412.50 521.50 697.00 603.00 414.50 83.00 2.00 0.00 2828.60
1940 0.00 d 0.00 0.00 31.50 173.60 a 473.50 708.50 546.00 419.50 110.50 3.00 0.00 2466.10
1941 0.00 a 0.00 a 0.00 128.89 c 389.50 521.50 694.83 b 648.00 383.28 a 95.00 9.00 1.50 2871.49
1942 0.00 a 0.00 0.00 170.00 198.50 473.79 a 599.50 589.00 286.00 108.50 12.00 0.00 2437.29
1943 0.00 0.00 b 10.00 31.50 182.90 a 559.00 688.00 628.00 215.00 86.00 0.00 0.00 a 2400.40
1944 0.00 0.00 0.00 14.00 390.50 551.50 582.50 662.88 a 327.00 72.50 27.00 0.00 a 2627.88
1945 0.00 0.00 38.50 47.50 137.50 324.50 554.00 572.50 301.00 61.50 0.00 0.00 2037.00
1946 0.00 a 0.00 32.00 99.00 171.00 551.00 662.00 517.00 292.50 127.50 0.00 0.00 2452.00
1947 0.00 0.00 a 0.00 26.00 115.00 364.82 b 618.00 831.83 a 386.00 262.50 0.00 b 0.00 b 2604.15
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 448.00 704.00 629.00 456.50 68.00 5.50 0.00 2311.00
1949 0.00 0.00 0.00 66.50 331.50 601.50 775.50 670.00 198.50 156.00 1.50 0.00 2801.00
1950 0.00 0.00 0.00 a 8.50 181.50 412.50 519.00 415.50 274.00 146.22 a 2.00 0.00 a 1959.22
1951 0.00 0.00 0.00 41.00 311.00 371.50 568.00 487.00 208.00 110.50 1.50 0.00 2098.50
1952 0.00 0.00 0.00 124.00 216.50 525.00 638.50 528.50 341.38 a 14.50 2.50 0.00 2390.88
1953 0.00 0.00 0.00 10.50 264.00 547.00 598.00 642.50 308.00 235.50 13.50 0.00 2619.00
1954 0.00 0.00 0.00 41.50 h 153.50 570.50 669.00 552.00 281.38 a 51.31 b 1.50 0.00 b 2279.19
1955 0.00 0.00 3.00 115.00 359.08 a 516.50 829.80 c 736.50 342.50 114.50 0.00 0.00 a 3016.89
1956 0.00 0.00 0.00 1.50 244.50 617.07 a 545.50 575.50 247.00 231.50 21.50 0.00 2484.07
1957 0.00 0.00 0.00 123.00 224.00 484.00 756.00 584.00 251.50 57.50 0.00 0.00 2480.00
1958 0.00 0.00 0.00 64.50 289.50 327.50 567.50 601.50 351.00 156.00 3.00 0.00 2360.50
1959 0.00 0.00 0.00 39.50 343.50 562.00 660.00 720.00 359.00 12.50 0.00 0.00 2696.50
1960 0.00 a 0.00 0.00 a 87.50 261.50 415.50 651.00 663.00 384.50 104.00 0.00 0.00 2567.00
1961 0.00 0.00 4.50 14.00 205.50 520.50 634.00 660.50 343.50 138.00 4.50 0.00 2525.00
1962 0.00 0.00 0.00 84.50 389.00 491.00 575.50 595.50 229.50 157.50 0.00 8.00 2530.50
1963 0.00 0.00 26.00 85.00 239.50 613.00 722.00 585.00 381.50 304.50 2.50 0.00 2959.00
1964 0.00 0.00 0.00 92.00 383.00 552.00 794.00 579.00 295.00 104.00 39.00 0.00 2838.00
1965 0.00 0.00 0.00 a 28.50 355.00 508.00 621.50 561.50 160.00 115.00 8.00 0.00 2357.50
1966 0.00 0.00 10.50 8.00 187.00 537.50 775.50 541.50 308.50 85.50 0.00 0.00 2454.00
1967 0.00 0.00 22.50 34.50 162.00 506.50 595.50 510.00 321.50 105.50 0.00 0.00 2258.00
1968 0.00 0.00 32.50 109.50 152.50 511.50 632.00 618.50 298.00 146.50 0.50 0.00 2501.50
1969 0.00 0.00 0.00 64.00 327.50 313.50 654.50 692.50 0.00 z 86.00 6.50 0.00 2144.50
1970 0.00 0.00 0.00 87.00 277.21 e 572.50 726.50 621.03 a 307.00 84.73 a 0.00 0.00 2675.98
1971 0.00 0.00 0.00 71.00 173.60 a 630.50 545.00 538.50 348.00 161.00 0.00 0.00 2467.60
1972 0.00 0.00 0.00 18.00 368.00 465.00 586.00 585.00 274.00 63.00 0.00 0.00 2359.00
1973 0.00 0.00 7.00 55.00 173.50 560.00 670.00 673.00 287.50 200.50 1.00 0.00 2627.50
1974 0.00 0.00 0.00 89.50 195.50 431.50 793.00 533.00 222.00 110.00 6.50 0.00 2381.00
1975 0.00 0.00 0.00 5.50 326.00 511.00 728.50 611.50 204.50 147.50 25.00 0.00 2559.50
1976 0.00 0.00 1.50 107.50 246.50 581.00 738.00 650.50 315.50 89.00 0.00 0.00 b 2729.50
1977 0.00 0.00 10.00 207.00 532.00 524.50 745.50 512.00 337.00 30.50 7.50 0.00 2906.00
1978 0.00 a 0.00 10.50 19.00 319.00 493.00 631.00 628.00 465.50 80.00 17.00 0.00 2663.00
1979 0.00 0.00 0.00 42.00 190.50 477.00 627.00 537.00 356.50 61.50 4.50 0.00 2296.00
1980 0.00 0.00 0.00 121.50 337.90 a 510.00 721.00 621.00 317.50 62.00 0.50 0.00 2691.40
1981 0.00 0.00 19.00 79.50 220.00 498.00 654.00 591.00 286.50 44.00 5.00 0.00 2397.00
1982 0.00 0.00 0.00 45.00 368.00 366.50 735.00 611.00 312.00 96.50 0.00 2.50 2536.50
1983 0.00 0.00 1.50 25.00 142.50 528.00 772.50 744.00 393.00 83.50 12.00 0.00 2702.00
1984 0.00 0.00 0.00 30.00 210.00 573.00 625.50 687.50 262.50 160.00 0.00 0.00 2548.50
1985 0.00 0.00 1.00 180.00 394.50 416.50 650.00 511.50 348.50 44.00 0.00 0.00 2546.00
1986 0.00 0.00 35.50 105.50 321.50 566.50 705.50 507.00 301.50 74.50 0.00 0.00 2617.50
1987 0.00 0.00 16.00 171.50 418.50 653.50 771.00 578.00 361.50 38.50 19.00 0.00 3027.50
1988 0.00 a 0.00 0.00 48.50 451.00 709.50 817.50 759.50 375.50 51.50 0.00 0.00 3213.00
1989 0.00 0.00 12.50 68.50 287.50 478.00 747.50 615.00 331.00 168.50 0.00 0.00 2708.50
1990 0.00 0.00 13.00 140.50 200.50 572.50 654.50 633.00 435.50 73.50 43.50 0.00 2766.50
1991 0.00 0.00 6.50 132.50 412.00 699.50 672.00 663.00 317.50 84.00 0.00 0.00 2987.00
1992 0.00 0.00 0.00 39.50 359.00 462.50 490.50 496.00 305.00 119.00 0.00 0.00 2271.50
1993 0.00 0.00 0.00 41.00 246.00 456.50 645.00 659.50 200.50 73.50 0.00 0.00 2322.00
1994 0.00 0.00 0.00 69.50 255.00 515.50 546.50 493.00 388.00 123.00 2.00 0.00 2392.50
1995 0.00 0.00 1.00 0.00 119.50 577.50 652.00 689.50 268.00 75.95 a 0.00 0.00 2383.45
1996 0.00 0.00 j 0.00 11.00 154.00 459.50 537.00 573.00 308.00 84.50 0.00 0.00 2127.00
1997 0.00 0.00 0.00 24.50 86.00 522.00 578.00 487.00 327.00 132.00 0.00 0.00 2156.50
1998 0.00 0.00 14.50 59.50 373.50 389.50 634.50 611.50 442.50 66.50 0.00 0.00 2592.00
1999 0.00 a 0.00 1.00 32.50 267.00 451.50 739.02 c 537.50 267.93 a 54.50 21.00 0.00 2371.95
2000 0.00 0.00 24.50 34.50 275.00 411.00 608.00 596.00 285.00 b 150.00 15.00 0.00 2399.00
2001 0.00 0.00 b 0.00 61.00 241.50 458.50 652.50 617.00 249.00 51.00 37.00 0.50 2368.00
2002 0.00 0.00 0.00 100.00 128.00 527.00 742.00 563.50 369.83 a 43.00 0.00 0.00 2473.33
2003 0.00 0.00 4.50 h 63.50 162.00 425.50 604.00 660.00 342.00 109.00 0.00 0.00 2366.00
2004 0.00 0.00 9.00 54.50 f 141.00 345.00 562.50 380.50 439.00 70.00 0.00 0.00 1947.00
2005 0.00 0.00 1.50 g 90.50 189.50 592.50 660.50 551.50 397.50 132.50 0.00 0.00 2614.50
2006 0.00 0.00 d 0.00 f 88.00 262.00 510.00 754.00 578.50 207.00 60.50 8.50 0.00 2468.50
2007 0.00 a 0.00 23.00 88.50 324.00 540.50 639.00 573.00 347.00 159.50 0.00 0.00 2694.50
2008 0.00 0.00 0.00 29.50 92.00 416.50 600.50 508.00 322.00 61.50 35.50 0.00 2065.50
2009 0.00 0.00 0.00 40.50 205.00 391.50 439.50 441.50 373.00 4.00 3.00 0.00 1898.00
2010 0.00 0.00 9.00 80.50 262.00 449.00 644.00 671.50 196.00 101.50 10.00 0.00 2423.50
2011 0.00 a 0.00 0.00 10.50 183.50 440.50 743.50 560.50 274.50 172.00 0.00 0.00 2385.00
2012 0.00 a 0.00 160.88 b 46.07 b 301.50 503.00 779.65 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1791.10
Period of Record Statistics
MEAN 0.00 0.00 6.97 61.94 256.85 497.12 662.73 594.14 321.02 102.66 5.82 0.13 2520.77
S.D. 0.00 0.00 18.89 44.07 97.20 89.98 88.39 80.75 73.73 57.04 9.93 0.87 277.47
SKEW 0.00 0.00 6.34 0.95 0.41 0.02 0.07 0.11 0.05 1.03 2.06 8.13 -0.11
MAX 0.00 0.00 160.88 207.00 532.00 734.00 901.50 831.83 516.21 304.50 43.50 8.00 3213.00
MIN 0.00 0.00 0.00 0.00 48.00 294.50 439.50 380.50 145.00 4.00 0.00 0.00 1882.00
NO YRS 93 92 89 91 93 94 94 91 92 94 94 94 82