UKIAH, OREGON

Monthly Total Growing Degree Days

(358726)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201102
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 168.00 j 541.00 674.00 649.00 422.50 204.50 2.00 1.00 2494.00
1923 2.00 0.00 47.50 92.50 276.50 398.00 688.00 596.00 450.50 196.00 33.00 2.00 2782.00
1924 3.50 2.50 0.00 91.50 407.50 458.00 651.00 483.00 347.50 241.00 43.50 4.50 2733.50
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 566.67 c 759.50 625.50 406.00 122.50 21.72 a 3.50 2505.39
1926 0.00 10.50 80.50 274.50 287.00 536.50 736.00 605.50 257.00 185.50 40.50 14.47 a 3027.97
1927 0.00 5.00 17.00 108.50 189.00 507.00 657.00 620.50 361.50 229.50 67.50 3.50 2766.00
1928 0.00 0.00 56.50 88.50 351.50 426.00 731.00 565.50 369.00 171.50 27.50 1.50 2788.50
1929 0.00 0.00 16.00 55.00 255.00 424.50 644.50 704.50 265.00 192.50 2.50 27.00 2586.50
1930 0.00 19.19 a 45.00 186.50 229.00 389.00 654.00 658.50 379.00 119.00 16.50 0.00 2695.69
1931 0.00 2.50 18.00 111.50 360.00 439.00 682.00 621.00 342.00 120.00 45.50 1.00 2742.50
1932 0.00 7.50 17.00 111.50 234.50 479.00 592.50 544.50 355.00 175.00 51.00 5.00 2572.50
1933 0.00 0.00 6.50 75.00 122.00 411.00 619.50 619.00 313.50 271.50 32.00 58.00 2528.00
1934 14.00 26.00 136.00 284.00 410.50 448.00 660.50 656.50 372.00 250.50 112.50 0.50 3371.00
1935 0.00 0.00 15.00 58.00 200.50 444.00 644.50 588.00 428.00 175.00 0.00 0.00 2553.00
1936 0.00 3.50 24.50 216.50 401.50 532.50 687.00 597.50 338.50 162.50 1.50 3.50 2969.00
1937 0.00 0.00 4.00 66.50 277.50 390.50 669.50 517.50 461.50 309.50 58.50 21.00 2776.00
1938 2.00 1.00 29.50 143.00 291.00 514.00 734.50 560.00 555.50 255.50 6.50 3.50 3096.00
1939 10.00 0.00 43.00 179.00 336.50 395.50 725.50 669.50 428.50 197.50 19.00 43.00 3047.00
1940 0.00 10.00 82.50 144.00 388.00 554.50 697.00 602.00 536.00 275.50 1.50 1.00 3292.00
1941 0.00 6.50 62.00 125.00 297.00 455.00 740.50 657.50 300.00 164.00 83.00 26.50 2917.00
1942 0.00 0.00 22.50 127.00 221.00 355.00 676.00 629.50 363.00 175.00 25.00 0.00 2594.00
1943 0.00 1.50 39.00 164.00 165.00 314.50 660.50 566.50 475.00 237.50 30.00 6.50 2660.00
1944 0.00 4.00 36.00 108.62 a 271.50 419.00 653.50 585.00 462.00 302.00 22.50 0.00 2864.12
1945 4.00 8.00 13.50 96.50 294.00 407.50 683.00 674.50 358.50 214.00 24.50 1.00 2779.00
1946 0.00 2.00 22.50 154.50 306.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 485.00
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 574.07 d 554.42 e 173.50 n 89.50 m 3.00 o 0.00 j 1128.50
1949 0.00 c 13.42 d 9.76 d 201.60 e 364.54 d 191.50 o 306.00 p 256.00 s 174.00 p 0.00 z 24.00 l 2.77 c 592.08
1950 3.62 a 4.50 7.00 58.50 g 165.00 h 355.50 f 692.00 687.50 424.50 278.00 67.50 17.50 2182.12
1951 0.00 10.50 16.50 130.50 318.00 441.00 718.50 609.50 454.00 164.00 9.50 1.00 2873.00
1952 0.00 a 0.00 15.50 195.00 296.00 437.00 696.50 659.00 512.00 303.50 1.00 0.00 3115.50
1953 34.62 a 1.50 24.50 129.50 210.80 a 342.00 631.62 c 664.00 508.50 215.00 77.00 2.00 2841.04
1954 5.00 25.00 25.00 130.50 346.34 b 377.00 646.50 529.00 389.00 158.00 47.00 f 0.00 z 2631.34
1955 0.00 z 0.00 z 0.00 z 37.76 a 190.00 473.79 a 613.00 569.48 d 242.00 g 227.52 c 56.54 d 16.00 2184.09
1956 0.00 0.00 28.00 141.00 375.50 422.50 591.50 f 352.50 m 443.00 141.50 23.00 10.50 1585.00
1957 0.00 9.50 31.50 108.00 328.27 c 458.40 e 584.50 190.50 s 319.50 g 138.50 4.50 2.00 1665.17
1958 0.00 46.15 a 7.50 72.32 b 297.50 j 541.07 b 458.50 k 0.00 z 0.00 z 199.12 e 67.50 13.00 946.66
1959 32.00 0.00 c 0.00 z 0.00 z 0.00 z 246.50 p 687.00 558.50 404.00 210.00 31.00 2.00 1924.50
1960 2.00 0.00 65.00 122.50 220.50 428.50 736.50 541.00 414.50 162.75 a 13.50 2.00 2708.75
1961 6.50 28.52 a 49.50 105.00 233.50 589.00 702.84 b 568.50 h 307.50 188.14 b 9.50 0.00 2220.00
1962 6.00 6.50 6.00 199.50 234.50 410.00 628.00 638.00 493.00 217.52 a 50.50 5.00 2894.52
1963 0.00 56.50 40.00 73.00 306.50 451.50 578.50 660.00 599.50 299.00 36.00 0.00 3100.50
1964 0.00 0.50 30.00 75.50 0.00 z 329.50 693.00 587.00 377.00 250.00 21.50 9.50 2373.50
1965 2.00 24.50 31.00 201.50 283.00 534.64 b 710.00 696.50 306.00 287.50 84.50 5.00 3166.14
1966 0.00 2.00 80.00 162.50 357.50 458.00 611.50 645.50 505.50 174.50 53.50 8.00 3058.50
1967 10.00 6.50 37.00 31.00 269.00 500.00 707.00 791.00 573.50 183.50 49.00 4.00 3161.50
1968 8.00 47.50 76.50 91.50 281.50 494.50 716.00 597.00 425.00 118.00 16.00 8.50 2880.00
1969 1.50 0.00 42.50 98.00 i 210.00 l 423.50 h 616.26 b 583.00 437.50 63.00 36.50 5.50 1785.76
1970 6.50 1.50 8.00 18.50 263.50 586.50 729.00 663.00 290.00 154.50 21.11 c 0.00 2742.11
1971 3.10 a 7.00 13.00 76.00 292.95 a 403.50 734.50 799.59 b 252.00 136.50 4.50 0.00 b 2722.64
1972 7.15 e 23.00 84.50 72.00 272.50 533.50 646.00 693.50 283.50 157.50 8.28 a 7.50 2788.93
1973 7.50 3.00 11.88 a 64.00 286.50 496.00 661.00 621.50 421.03 a 160.34 b 16.00 2.00 2750.76
1974 20.27 e 0.50 40.50 84.83 a 226.50 568.50 640.50 621.60 b 394.00 148.50 14.00 0.00 b 2759.70
1975 4.50 0.00 a 7.00 29.50 242.50 386.00 704.73 a 530.50 391.55 a 181.00 38.00 13.50 2528.79
1976 0.00 0.00 22.73 a 83.00 275.00 361.50 651.52 a 568.50 447.50 142.50 81.50 0.00 2633.75
1977 0.00 25.00 9.50 176.00 183.50 541.00 623.50 741.50 335.00 165.50 15.50 30.00 2846.00
1978 3.00 9.50 131.23 a 91.00 215.00 486.50 680.50 599.00 351.50 178.25 a 18.00 0.00 2763.48
1979 0.00 0.00 28.50 121.50 316.00 463.50 701.50 712.50 495.50 253.00 12.50 16.00 3120.50
1980 0.00 18.00 9.82 a 203.50 292.95 a 369.50 673.50 492.00 394.82 b 196.50 54.50 39.00 2744.09
1981 14.50 19.00 16.57 b 127.50 281.50 410.50 573.00 701.50 400.00 120.50 54.00 8.50 2727.07
1982 0.00 25.00 18.00 62.00 197.50 554.50 631.50 667.53 a 366.50 152.00 7.50 4.50 2686.53
1983 7.00 24.00 50.00 66.00 288.50 387.50 564.50 753.50 314.00 124.50 34.00 0.00 2613.50
1984 0.50 0.50 14.00 68.50 207.50 407.00 655.50 679.50 309.00 118.00 15.00 0.00 a 2475.00
1985 0.00 0.00 0.00 163.50 294.00 455.00 775.50 545.50 228.00 116.00 16.50 0.00 2594.00
1986 1.50 28.00 123.00 78.00 290.00 603.00 537.50 735.50 261.50 184.50 31.00 0.00 2873.50
1987 1.50 0.00 42.00 l 244.00 352.50 533.00 646.50 574.00 455.00 192.00 47.50 30.00 3076.00
1988 1.07 b 11.00 46.00 182.50 303.50 488.50 677.00 602.50 377.00 363.00 41.50 4.00 3097.57
1989 0.00 0.00 26.35 a 189.50 248.50 495.50 625.00 592.00 367.00 136.00 41.00 1.50 2722.35
1990 4.50 0.50 36.50 173.50 211.00 421.50 678.00 652.50 483.50 141.00 41.00 1.50 2845.00
1991 0.00 0.00 z 12.00 75.50 186.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.20 a 279.70
1992 0.00 z 33.50 61.50 0.00 z 0.00 z 565.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 660.50
1993 0.00 z 0.00 z 0.00 z 77.00 431.50 425.00 456.50 540.00 342.50 310.00 b 4.29 b 12.00 2598.79
1994 3.00 0.00 70.50 156.72 a 311.00 308.50 i 690.50 629.00 469.00 111.00 3.00 7.00 2450.72
1995 23.50 55.50 51.00 75.50 278.50 406.00 642.50 527.00 b 487.50 113.00 55.50 21.50 2737.00
1996 3.50 40.00 40.50 l 135.50 204.50 401.50 702.50 693.50 305.50 199.50 23.00 2.50 2711.50
1997 6.50 13.50 52.00 i 132.50 369.00 438.33 c 637.50 735.00 488.50 147.25 a 30.00 i 1.00 2969.08
1998 1.00 2.50 79.00 123.00 263.50 428.50 208.00 v 683.00 565.00 151.00 20.50 3.00 2320.00
1999 0.00 g 0.00 i 36.96 e 38.50 h 196.33 d 426.92 d 576.82 c 504.50 i 270.00 f 171.61 c 126.60 e 0.00 a 1535.25
2000 0.00 a 9.06 e 18.00 f 205.00 c 325.50 c 429.83 a 647.26 b 0.00 z 359.00 f 184.34 c 2.88 d 0.00 h 1803.87
2001 0.00 f 0.00 b 14.00 r 63.00 l 67.50 x 0.00 z 0.00 z 0.00 z 300.50 n 226.09 b 46.00 k 0.50 p 226.09
2002 0.50 p 0.00 r 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
2003 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
2004 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
2005 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
2006 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 7.50 f 0.00
2007 1.72 d 13.50 135.22 b 135.00 298.00 114.00 v 864.42 e 0.00 z 0.00 z 183.33 b 0.00 z 0.00 z 1631.20
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 74.00 y 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2009 0.00 z 0.00 z 0.00 z 0.00 z 178.00 m 61.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2010 0.00 z 0.00 z 0.00 z 91.50 h 160.50 394.00 600.00 559.50 425.00 207.00 62.50 g 0.50 q 2346.00
2011 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
2012 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
2013 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
Period of Record Statistics
MEAN 3.73 10.35 37.68 123.39 278.21 455.80 664.28 624.36 400.32 190.15 32.74 7.58 2824.77
S.D. 6.87 14.01 32.34 57.59 65.85 67.77 60.12 69.00 83.91 58.23 26.86 11.23 204.81
SKEW 2.87 1.66 1.46 0.60 0.12 0.29 -0.19 0.31 0.17 0.67 1.17 2.33 0.65
MAX 34.62 56.50 136.00 284.00 431.50 603.00 864.42 799.59 599.50 363.00 126.60 58.00 3371.00
MIN 0.00 0.00 0.00 18.50 122.00 314.50 456.50 483.00 228.00 63.00 0.00 0.00 2475.00
NO YRS 72 73 69 71 71 71 73 69 69 76 71 73 53