VOLTAGE 2 NW, OREGON

Monthly Total Growing Degree Days

(355162)

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
1959 0.00 z 0.00 z 0.00 z 227.00 268.00 700.50 923.28 a 769.46 c 426.50 159.00 i 36.00 0.00 3350.75
1960 0.00 0.00 119.50 191.50 321.50 675.56 c 968.00 735.70 c 575.50 249.50 33.00 1.00 3870.75
1961 11.00 35.00 56.83 a 166.07 b 347.20 a 772.78 c 913.47 a 933.74 b 371.00 210.69 d 21.72 a 0.00 a 3839.50
1962 0.00 d 1.50 36.17 d 265.34 a 304.50 582.41 a 727.95 c 553.00 h 375.00 k 238.00 81.00 12.92 a 2249.79
1963 0.00 79.50 47.00 98.00 457.77 a 545.00 c 743.00 763.00 663.33 c 367.00 56.50 0.00 3820.10
1964 0.00 0.50 31.00 c 123.10 a 361.00 529.50 878.00 741.42 a 460.86 a 291.00 31.55 a 27.38 a 3475.32
1965 16.02 a 20.50 34.50 230.50 341.00 580.50 793.00 722.30 a 399.11 b 336.72 b 77.00 13.29 c 3564.43
1966 7.50 0.00 90.86 b 201.50 475.33 a 551.00 809.21 b 819.84 c 615.00 254.20 a 87.00 2.67 b 3914.11
1967 14.00 15.04 a 50.78 b 16.50 411.78 a 607.00 953.00 923.00 672.00 226.50 93.50 17.00 4000.10
1968 1.00 49.50 92.00 130.00 376.50 614.00 904.50 687.00 518.00 206.50 32.50 11.00 3622.50
1969 6.50 0.00 60.00 200.50 531.02 d 624.50 835.50 805.00 631.61 b 93.53 b 29.00 19.50 3836.66
1970 35.50 18.00 45.50 55.50 421.00 668.00 922.00 859.50 411.00 187.55 a 35.50 8.00 3667.05
1971 16.50 26.50 32.50 139.66 a 412.82 a 542.07 a 855.00 923.50 369.50 211.66 b 25.00 0.00 3554.70
1972 6.50 36.00 151.00 140.00 458.50 620.69 a 834.00 820.00 340.00 226.50 15.50 13.00 3661.69
1973 8.00 3.50 4.50 112.76 a 467.14 b 629.48 a 836.48 a 684.00 f 521.50 171.50 i 97.50 8.50 i 2680.86
1974 34.21 b 1.00 i 50.52 d 139.62 d 261.50 h 374.00 p 306.50 q 381.50 o 296.00 m 106.50 m 29.00 j 3.00 n 224.34
1975 2.58 a 6.50 g 16.50 18.00 h 186.00 q 452.00 f 765.00 f 694.63 d 411.00 f 185.00 i 19.50 k 22.50 i 713.71
1976 2.67 b 10.50 f 31.00 d 111.96 b 456.70 c 363.50 f 681.50 f 654.88 c 582.93 a 212.23 e 40.50 i 0.00 f 2052.37
1977 0.00 f 16.33 d 23.77 a 281.11 c 233.65 d 560.00 h 780.96 e 500.50 n 402.50 h 113.00 q 26.50 f 4.17 e 1339.99
1978 0.50 r 6.70 e 163.27 a 120.00 310.00 548.04 b 819.00 739.50 420.00 c 242.83 d 27.00 3.74 b 3400.07
1979 1.50 0.00 l 69.23 a 136.15 d 421.48 e 487.50 h 854.80 d 534.50 i 394.50 l 311.60 b 6.50 4.28 b 1805.54
1980 8.55 b 15.50 g 11.50 s 247.50 d 372.00 c 380.00 f 838.50 710.33 b 543.89 c 172.29 e 76.11 c 25.50 2994.67
1981 4.00 14.00 c 25.50 254.44 c 350.50 560.50 784.50 869.00 536.50 138.90 e 60.50 25.83 a 3624.18
1982 0.00 43.50 29.00 108.50 341.50 592.00 757.84 c 799.50 435.50 186.50 7.50 3.00 3304.34
1983 12.00 26.00 50.00 85.00 407.50 538.50 721.50 824.00 475.50 261.50 77.00 0.00 3478.50
1984 1.50 0.00 j 34.00 89.00 389.00 500.00 901.50 809.62 a 342.00 f 166.07 c 18.89 c 0.00 d 2909.58
1985 0.00 c 0.00 b 9.82 a 232.00 402.50 652.24 a 972.00 695.00 301.50 66.00 m 0.00 e 0.00 a 3265.06
1986 0.00 o 0.50 r 69.50 n 118.89 c 293.50 i 522.00 h 699.50 580.50 k 0.00 z 193.50 q 22.50 y 0.00 n 818.39
1987 0.00 22.96 c 39.00 85.00 o 206.00 n 349.50 m 726.50 765.00 238.00 p 217.00 j 37.50 j 12.50 k 1553.46
1988 0.00 x 4.30 b 18.00 p 122.50 o 215.50 l 651.43 b 492.50 m 459.00 l 453.50 265.50 i 36.50 l 0.00 u 1109.22
1989 0.00 k 0.00 z 52.00 o 275.00 382.00 694.50 851.50 691.50 538.00 138.50 l 36.11 c 7.50 3476.11
1990 22.00 4.00 96.00 346.50 313.50 632.00 937.00 786.00 662.50 256.50 47.59 a 4.00 4107.59
1991 6.50 35.00 18.00 i 56.00 k 311.00 235.50 o 0.00 z 592.50 i 571.50 293.50 16.50 k 3.00 1220.50
1992 17.50 36.00 105.00 287.00 565.50 674.50 758.00 818.50 535.00 274.00 19.50 0.00 4090.50
1993 0.00 0.00 65.00 121.00 478.00 451.00 539.50 646.00 494.50 250.50 6.00 17.50 3069.00
1994 6.00 7.50 121.00 213.00 456.50 589.00 909.00 844.50 554.50 187.50 10.00 7.50 3906.00
1995 24.50 68.00 67.00 119.50 0.00 z 508.50 775.00 692.50 523.50 188.50 158.50 28.00 3153.50
1996 6.50 41.00 73.00 181.50 322.50 585.00 881.00 764.50 452.50 267.00 23.00 33.50 3631.00
1997 13.50 8.00 111.50 175.00 535.00 548.00 767.50 805.00 554.00 204.00 41.00 0.00 z 3762.50
1998 10.50 3.00 82.00 150.50 93.50 v 520.00 940.50 789.50 620.00 116.00 m 25.50 6.00 3147.50
1999 0.60 e 11.85 b 68.00 30.00 o 230.00 i 216.00 q 436.50 o 572.50 g 460.96 d 127.00 r 86.50 i 0.00 p 541.40
2000 1.50 k 8.00 l 41.00 n 165.00 l 419.61 c 391.00 m 314.00 r 392.50 q 172.00 q 24.00 w 0.00 m 0.00 h 419.61
2001 0.00 o 1.00 q 68.00 m 138.50 n 290.50 n 569.40 e 811.37 e 672.00 g 198.00 s 58.50 y 33.00 l 0.00 m 1380.77
2002 6.00 r 0.00 q 21.50 k 35.00 v 227.00 m 143.00 v 746.50 h 276.50 r 114.50 y 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 107.00 x 701.50 j 556.00 k 351.50 k 236.00 k 0.00 p 2.50 q 0.00
2004 0.00 t 1.50 l 87.50 q 118.00 m 178.00 q 335.50 o 347.50 s 242.50 w 282.00 m 114.50 o 11.00 p 3.50 n 0.00
2005 0.00 s 0.00 n 34.00 m 50.50 v 161.00 p 207.50 r 455.00 p 0.00 z 219.50 r 93.50 r 20.50 n 0.00 t 0.00
2006 0.00 q 0.00 n 20.50 n 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 8.49 19.80 62.35 169.20 394.81 595.55 831.20 778.22 505.79 231.48 43.53 9.35 3701.90
S.D. 9.42 20.61 38.82 73.64 77.51 68.67 91.29 75.91 96.53 58.24 34.72 9.98 260.71
SKEW 1.37 1.18 0.84 0.35 0.18 0.35 -0.75 0.28 -0.12 0.09 1.32 0.95 -0.50
MAX 35.50 79.50 163.27 346.50 565.50 772.78 972.00 933.74 672.00 367.00 158.50 33.50 4107.59
MIN 0.00 0.00 4.50 16.50 233.65 451.00 539.50 646.00 301.50 93.53 0.00 0.00 3069.00
NO YRS 35 32 35 36 34 32 36 32 33 29 32 32 20