SENECA, OREGON

Monthly Total Growing Degree Days

(357675)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 511.00 793.00 0.00 z 264.00 0.00 z 0.00 z 0.00 z 1568.00
1950 0.00 z 0.00 z 0.00 z 0.00 z 186.00 d 380.17 a 578.67 a 565.50 290.00 209.25 a 32.00 6.00 2247.59
1951 0.50 14.00 3.50 102.50 256.02 b 344.50 623.00 438.00 f 356.00 90.42 a 4.50 0.00 a 1794.93
1952 0.00 0.00 0.50 114.50 256.00 383.79 a 583.32 a 560.07 a 388.00 140.50 0.00 0.00 2426.68
1953 4.00 2.50 3.50 82.50 99.50 299.48 a 605.03 b 539.63 d 349.14 a 118.12 b 21.96 b 0.00 2125.37
1954 0.00 b 0.00 c 1.03 a 72.00 e 184.50 i 319.66 a 415.50 i 452.17 b 279.60 e 47.50 g 25.18 b 0.00 a 1149.64
1955 0.00 0.00 b 0.00 b 7.50 177.06 e 397.50 b 551.36 c 558.00 b 339.23 d 144.48 c 17.88 d 10.33 a 2203.35
1956 0.00 0.00 14.00 173.04 b 353.52 e 460.56 c 543.00 i 540.90 b 344.42 d 111.94 d 10.18 b 1.50 2010.05
1957 0.00 0.00 11.50 37.24 a 262.95 c 439.82 b 524.79 c 443.62 b 368.89 c 67.88 b 0.00 f 0.00 2156.68
1958 0.00 5.00 2.00 52.00 405.77 c 295.50 k 429.00 i 626.00 281.50 79.71 c 18.62 a 1.00 1471.60
1959 5.00 1.50 5.17 a 111.96 b 140.05 c 421.67 c 584.72 b 486.04 c 233.50 101.61 d 4.66 a 0.00 b 2095.88
1960 0.00 0.00 37.00 83.04 b 160.37 e 425.77 d 715.30 d 455.70 a 313.20 e 129.37 e 10.18 b 0.00 2329.91
1961 1.00 9.00 12.00 48.33 c 178.25 a 534.23 d 630.13 e 718.88 b 194.46 b 110.10 b 0.00 b 0.00 2436.40
1962 1.50 0.00 3.50 128.00 125.50 355.34 a 492.68 c 491.19 b 279.50 f 124.57 d 24.83 a 2.00 1749.11
1963 0.00 17.50 15.50 b 38.50 270.50 376.73 d 436.67 b 539.00 467.68 b 172.71 c 18.50 0.00 2353.30
1964 0.00 0.00 3.00 42.50 160.34 b 372.32 b 623.58 e 473.02 b 224.42 d 121.13 d 2.14 b 16.00 2038.46
1965 0.00 t 0.00 i 0.00 k 88.45 a 132.02 b 366.96 b 567.09 b 512.00 159.50 116.25 c 18.50 0.00 a 1960.77
1966 0.00 0.00 32.50 74.00 239.98 b 314.50 538.00 540.43 a 356.50 70.50 28.50 0.00 2194.92
1967 0.50 0.00 8.00 1.00 215.00 398.00 681.50 669.50 426.50 71.00 17.00 0.00 2488.00
1968 0.00 0.00 15.00 38.00 154.00 391.00 634.00 472.50 277.00 50.24 b 2.00 3.10 a 2036.84
1969 0.00 0.00 0.00 b 71.50 290.50 429.50 549.50 512.00 312.50 22.73 a 10.50 0.00 2198.73
1970 0.50 0.50 2.00 7.00 224.50 479.50 632.00 573.50 166.00 52.00 0.00 b 0.00 a 2137.50
1971 0.00 c 0.00 0.53 b 32.50 242.00 317.59 a 627.00 701.00 146.00 91.50 10.00 0.00 2168.12
1972 0.00 6.00 49.50 50.00 231.50 411.50 570.00 570.00 167.00 96.50 5.00 0.00 2157.00
1973 0.55 c 0.00 a 4.43 c 50.00 c 269.04 c 413.50 645.00 536.50 301.50 40.50 f 16.67 c 0.00 c 2237.18
1974 6.41 b 0.00 d 1.00 g 34.00 h 98.50 l 301.00 q 574.61 c 522.50 220.50 h 56.63 e 7.00 h 0.00 d 1160.16
1975 0.00 b 0.00 a 0.00 b 4.50 f 130.00 j 219.00 l 723.33 d 383.50 f 239.50 g 74.52 e 6.00 f 3.21 b 801.06
1976 0.00 0.00 b 0.00 13.00 h 146.50 m 214.00 h 487.50 h 542.50 d 393.50 110.50 31.11 c 0.00 1077.61
1977 0.00 0.00 b 5.00 97.50 d 125.00 516.60 e 345.00 l 475.50 f 192.50 h 61.00 l 3.00 h 4.98 c 749.08
1978 0.00 a 0.00 82.50 67.00 h 97.50 h 222.50 m 341.00 m 376.50 i 126.50 k 89.38 a 0.00 a 0.00 171.88
1979 0.00 0.00 20.00 63.00 252.00 441.00 668.50 613.50 450.00 228.50 0.00 z 0.00 z 2736.50
1980 0.00 z 0.00 z 0.00 z 126.50 199.50 302.50 611.00 412.00 310.50 107.50 23.50 10.00 2103.00
1981 6.00 1.00 1.00 116.50 176.00 346.50 499.50 611.00 306.00 48.50 15.50 1.50 2129.00
1982 0.00 19.19 a 3.50 38.00 184.50 453.00 576.50 576.50 262.50 77.50 1.00 0.00 2192.19
1983 1.00 0.00 9.50 27.50 240.00 323.50 499.50 623.50 260.50 68.00 16.50 0.00 2069.50
1984 0.00 0.00 0.00 39.50 196.00 303.50 634.50 605.00 267.50 69.00 3.00 0.00 2118.00
1985 0.00 0.00 0.00 103.50 258.50 418.00 710.00 452.00 142.00 59.00 7.00 0.00 2150.00
1986 0.00 6.50 42.00 67.00 253.00 501.50 442.00 661.50 167.50 62.50 0.00 i 0.00 2203.50
1987 0.00 0.00 16.50 188.50 266.50 461.00 507.50 451.00 367.50 133.50 22.00 3.00 2417.00
1988 0.00 a 2.00 21.00 131.00 319.00 524.00 608.00 498.58 a 298.00 241.50 31.50 0.00 2674.58
1989 0.00 0.00 10.33 a 135.00 180.00 447.00 585.50 496.50 285.00 118.50 9.50 0.00 2267.33
1990 1.00 0.00 27.50 171.00 178.50 404.50 641.50 610.50 429.50 99.00 11.50 2.50 2577.00
1991 0.00 6.00 11.00 52.00 129.50 286.50 606.50 628.50 375.50 138.00 11.00 0.00 2244.50
1992 1.00 11.00 24.50 146.00 326.50 489.50 514.00 596.50 312.00 122.50 4.50 0.00 2548.00
1993 0.00 0.00 7.50 29.00 355.50 337.50 350.50 442.00 281.00 135.50 0.00 5.00 1943.50
1994 0.00 0.00 38.50 105.50 275.50 385.50 652.50 592.00 366.50 58.00 4.50 2.50 2481.00
1995 4.50 30.50 12.00 60.50 205.50 352.00 591.50 456.00 358.00 77.50 40.50 14.00 2202.50
1996 0.00 21.50 31.00 94.00 161.00 377.50 653.50 586.00 237.00 146.50 5.00 1.55 a 2314.55
1997 3.00 0.00 49.50 67.50 337.50 389.50 572.00 605.50 387.50 93.50 18.00 0.00 2523.50
1998 0.00 0.00 30.00 78.50 177.00 346.00 736.50 652.50 465.00 39.00 1.00 0.00 2525.50
1999 0.00 0.00 4.50 46.00 177.22 a 349.00 514.00 602.00 245.00 92.50 41.00 0.00 2071.22
2000 0.00 0.00 2.50 113.50 244.00 411.50 613.50 567.50 481.15 d 78.00 0.00 0.00 2511.65
2001 0.00 0.00 14.50 69.50 310.50 381.21 a 618.50 671.00 396.00 82.00 21.50 0.00 2564.71
2002 0.00 0.50 10.00 81.00 219.00 493.50 748.50 464.00 316.00 36.00 7.50 0.50 2376.50
2003 3.50 2.50 55.00 51.50 266.50 453.50 771.50 633.00 412.50 197.50 5.50 2.00 2854.50
2004 0.00 z 0.00 35.00 106.50 217.50 451.00 667.50 658.50 274.00 108.50 4.00 2.00 2524.50
2005 0.00 0.00 13.00 74.00 276.00 329.50 659.00 598.00 239.50 91.50 14.50 0.50 2295.50
2006 0.00 0.00 13.00 79.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 92.00
Period of Record Statistics
MEAN 0.75 2.90 15.37 78.16 226.23 400.39 602.70 557.05 309.48 102.51 12.99 1.69 2301.11
S.D. 1.62 6.40 17.42 42.67 67.57 64.74 86.23 75.68 86.57 46.49 11.01 3.47 206.34
SKEW 2.30 2.63 1.66 0.53 0.40 0.24 -0.26 0.03 -0.05 1.04 0.74 2.69 0.55
MAX 6.41 30.50 82.50 188.50 405.77 534.23 793.00 718.88 481.15 241.50 41.00 16.00 2854.50
MIN 0.00 0.00 0.00 1.00 99.50 286.50 350.50 412.00 142.00 22.73 0.00 0.00 1943.50
NO YRS 53 54 53 52 51 52 51 52 52 53 50 55 38