VOLTAGE 2 NW, OREGON

Monthly Total Heating Degree Days

(355162)

Base Temperature = 65 F

File last updated on Apr 4, 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
1959 0.00 z 0.00 z 0.00 z 530.50 518.50 116.50 53.22 a 68.64 c 330.00 402.00 i 856.50 1258.50 3732.36
1960 1317.50 1025.00 754.50 593.50 458.00 106.67 c 10.50 122.34 c 179.50 557.50 880.00 1161.00 7166.01
1961 1072.50 761.50 813.75 a 621.43 b 433.48 a 73.33 c 11.88 a 3.74 b 379.00 598.19 d 935.17 a 1152.68 a 6856.66
1962 1428.87 d 977.00 886.94 d 494.48 a 475.00 186.21 a 99.64 c 80.50 h 103.00 k 540.00 778.00 1008.53 a 6874.68
1963 1206.50 663.00 837.50 734.00 317.23 a 227.22 c 61.50 76.50 115.56 c 425.50 797.00 1139.50 6601.01
1964 1137.50 995.50 932.77 c 661.55 a 430.50 235.00 28.00 104.88 a 290.17 a 490.50 921.72 a 1031.27 a 7259.37
1965 1057.62 a 805.00 857.00 530.50 451.50 179.00 58.00 103.33 a 363.75 b 446.29 b 778.00 1199.59 c 6829.58
1966 1152.00 951.00 816.69 b 577.50 302.25 a 216.00 47.57 b 66.98 c 152.50 537.33 a 756.00 1056.14 b 6631.96
1967 963.00 801.63 a 865.33 b 820.50 378.72 a 183.50 1.00 11.00 118.00 557.50 775.00 1179.50 6654.67
1968 1131.50 762.50 748.00 689.00 400.00 175.00 22.50 138.00 245.00 579.00 831.50 1078.50 6800.50
1969 1097.50 1013.00 899.50 559.00 249.15 d 155.50 41.50 63.00 143.57 b 723.69 b 875.50 994.00 6814.91
1970 994.00 767.50 838.00 782.00 367.50 157.50 11.00 14.50 346.00 649.45 a 791.00 1184.00 6902.45
1971 1026.00 862.50 935.00 631.03 a 363.73 a 226.03 a 56.50 28.00 381.00 642.98 b 866.00 1161.50 7180.29
1972 1209.50 918.50 685.00 660.50 328.00 139.14 a 45.00 54.00 419.00 607.00 884.00 1334.00 7283.64
1973 1178.50 871.50 881.00 670.34 a 316.41 b 167.59 a 33.07 a 27.50 f 235.50 388.50 i 765.00 673.50 i 5118.91
1974 1138.45 b 581.50 i 858.24 d 630.58 d 328.00 h 43.50 p 59.00 q 47.00 o 134.00 m 350.50 m 572.50 j 573.50 n 2627.27
1975 1233.80 a 733.00 g 927.50 630.50 h 164.50 q 150.50 f 20.50 f 97.59 d 189.00 f 399.00 i 623.00 k 673.50 i 2258.89
1976 1080.19 b 730.50 f 989.70 d 680.36 b 321.62 c 248.00 f 27.50 f 142.82 c 188.79 a 587.81 e 590.50 i 958.50 f 3991.30
1977 1161.50 f 852.25 d 931.03 a 486.67 c 554.56 d 32.50 h 60.81 e 29.00 n 163.00 h 239.00 q 723.50 f 1030.15 e 3915.47
1978 412.50 r 833.30 e 659.78 a 650.50 468.00 203.04 b 54.00 117.50 335.56 c 555.13 d 993.50 1297.72 b 6168.03
1979 1476.00 541.50 l 768.28 a 651.92 d 354.71 e 94.00 h 44.78 d 51.50 i 67.00 l 469.81 b 996.50 1010.71 b 5772.71
1980 1152.88 b 634.00 g 338.00 s 537.69 d 405.77 c 228.50 f 31.00 84.98 b 213.89 c 639.08 e 827.22 c 1086.00 4978.51
1981 1029.00 913.36 c 804.00 516.11 c 424.50 202.50 60.00 20.50 234.50 661.13 e 812.00 1001.82 a 6679.42
1982 1278.50 965.50 875.50 731.00 433.50 177.00 97.43 c 47.00 321.50 610.00 1022.00 1179.00 7737.93
1983 1015.00 798.00 776.50 709.00 392.00 212.00 120.00 48.50 274.50 516.00 793.50 1254.50 6909.50
1984 1406.50 731.50 j 827.50 706.50 387.00 282.50 2.00 41.33 a 265.00 f 691.96 c 850.56 c 1296.26 d 6492.11
1985 1402.75 c 1104.92 b 1016.80 a 548.50 375.50 140.17 a 9.00 106.00 448.50 439.50 m 1297.80 e 1702.42 a 8152.36
1986 576.00 o 316.50 r 376.00 n 692.78 c 273.00 i 61.00 h 85.00 0.50 k 0.00 z 156.50 q 104.00 y 646.50 n 777.78
1987 1210.50 815.36 c 843.50 290.50 o 219.00 n 109.00 m 96.50 59.50 112.00 p 310.50 j 541.50 j 714.00 k 3025.36
1988 270.00 x 926.93 b 406.00 p 254.50 o 261.50 l 190.18 b 23.00 m 37.50 l 307.50 284.50 i 500.00 l 352.00 u 1424.60
1989 855.00 k 0.00 z 383.50 o 481.50 393.00 88.00 26.50 110.00 221.50 379.00 l 881.11 c 1091.00 3292.61
1990 1001.50 971.50 776.00 409.00 466.00 177.00 18.50 92.50 111.50 537.00 841.03 a 1372.00 6773.53
1991 1160.50 726.50 594.50 i 447.50 k 468.00 140.00 o 0.00 z 20.00 i 185.50 544.50 543.00 k 1064.50 4149.50
1992 1061.50 770.00 677.00 476.00 221.50 133.50 81.50 82.50 219.50 505.50 961.50 1217.50 6407.50
1993 1412.50 1195.50 873.00 651.50 304.50 307.50 237.50 155.00 259.00 529.00 1086.50 1103.50 8115.00
1994 1000.00 954.50 709.00 547.00 323.50 190.50 29.50 20.00 195.50 607.00 1043.50 1195.50 6815.50
1995 984.50 709.50 799.50 677.50 0.00 z 250.50 48.00 122.50 233.00 597.00 664.00 1022.00 6108.00
1996 1050.00 935.50 753.50 581.00 454.00 177.00 40.50 78.50 299.50 567.50 818.50 978.00 6733.50
1997 1088.00 877.50 725.00 612.50 247.00 204.50 67.00 37.00 205.00 594.00 805.00 0.00 z 5462.50
1998 905.50 869.50 795.50 631.00 131.50 v 232.00 0.00 46.50 170.50 350.00 m 836.00 1210.50 5697.00
1999 1067.12 e 947.69 b 824.00 375.50 o 326.50 i 111.00 q 14.00 o 67.00 g 289.62 d 198.00 r 496.50 i 519.00 p 3128.42
2000 692.50 k 471.00 l 424.00 n 285.00 l 358.71 c 49.50 m 40.50 r 14.00 q 153.00 q 181.00 w 637.00 m 853.00 h 358.71
2001 652.00 o 434.00 q 426.50 m 283.50 n 149.00 n 209.40 e 58.42 e 12.50 g 77.00 s 91.50 y 479.00 l 639.00 m 267.82
2002 442.50 r 384.50 q 625.00 k 179.00 v 223.00 m 61.50 v 0.00 h 59.50 r 19.00 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 47.50 x 4.00 j 3.50 k 139.00 k 283.50 k 473.00 p 459.50 q 0.00
2004 460.50 t 623.50 l 297.00 q 324.00 m 172.00 q 67.00 o 12.00 s 2.00 w 148.50 m 302.50 o 404.50 p 562.50 n 0.00
2005 442.00 s 503.50 n 459.00 m 149.50 v 214.00 p 93.00 r 5.50 p 0.00 z 81.00 r 235.00 r 496.50 n 519.00 t 0.00
2006 469.00 q 485.00 n 488.00 n 273.00 r 197.00 n 43.50 r 0.00 u 64.50 l 0.00 z 381.00 m 410.00 o 522.50 q 0.00
2007 670.00 n 506.00 l 453.00 l 153.50 w 146.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2008 1305.00 966.50 912.00 762.50 371.00 223.50 5.50 o 42.50 230.50 541.00 791.50 1192.00 7338.00
2009 1092.00 276.00 s 655.50 g 672.00 322.00 196.00 27.50 81.00 128.50 684.00 932.50 1317.00 5452.50
2010 974.00 889.50 860.50 684.50 579.00 235.00 58.50 95.00 224.00 491.50 933.00 1104.00 7128.50
2011 1173.00 647.50 j 847.50 740.50 519.50 257.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3537.50
2012 172.50 z 952.50 812.50 568.50 422.00 249.50 10.00 32.00 175.50 593.00 853.50 1138.00 5807.00
2013 1463.50 968.00 790.50 17.50 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 3222.00
Period of Record Statistics
MEAN 1153.37 892.19 829.62 624.21 393.77 191.42 49.87 72.66 247.89 572.03 875.86 1161.19 6965.78
S.D. 151.31 112.63 81.56 93.11 82.29 51.10 42.82 40.05 87.73 69.82 115.77 140.28 397.03
SKEW 0.67 0.25 0.00 -0.16 0.09 -0.21 2.24 0.16 0.40 0.06 1.46 1.59 1.40
MAX 1476.00 1195.50 1016.80 820.50 579.00 307.50 237.50 155.00 448.50 723.69 1297.80 1702.42 8115.00
MIN 905.50 663.00 659.78 409.00 221.50 73.33 0.00 3.74 111.50 425.50 664.00 978.00 6407.50
NO YRS 40 36 40 41 39 37 39 36 37 33 36 36 21