SILVER CREEK FALLS, OREGON

Monthly Total Heating Degree Days

(357809)

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
1938 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 801.50 801.50
1939 52.50 z 780.50 653.00 443.50 359.50 299.00 119.19 b 92.00 219.00 454.50 604.50 634.50 4659.19
1940 766.50 644.00 573.50 472.50 272.50 165.00 92.50 79.00 171.00 386.00 728.50 768.00 5119.00
1941 726.00 600.50 542.50 481.50 378.50 253.50 80.00 139.50 323.50 491.00 595.50 768.80 a 5380.80
1942 907.50 720.00 729.50 532.50 442.50 307.50 97.50 102.00 219.00 447.50 669.50 769.50 5944.50
1943 983.22 a 683.50 727.00 482.50 489.50 322.50 170.50 211.00 187.00 457.50 654.50 876.00 6244.72
1944 856.50 767.00 729.00 580.50 411.50 263.00 145.50 141.00 175.50 350.50 700.50 870.00 5990.50
1945 803.00 672.00 769.50 615.50 364.50 279.00 119.50 114.50 287.00 500.00 708.00 801.50 6034.00
1946 854.50 724.00 726.00 586.50 351.00 312.50 142.50 143.50 306.50 635.50 755.50 832.50 6370.50
1947 991.50 624.00 626.50 509.50 321.00 306.00 163.00 219.00 230.50 444.50 669.50 787.00 5892.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 168.00 169.50 283.50 522.00 766.50 954.05 b 2863.55
1949 1238.00 824.00 704.45 b 587.07 a 481.53 a 390.00 0.00 z 169.00 282.32 b 683.55 a 536.00 883.50 6779.42
1950 0.00 z 746.31 b 763.63 a 598.50 0.00 z 218.50 83.00 109.00 240.50 488.50 650.00 606.57 a 4504.51
1951 886.50 722.00 857.00 488.00 397.32 a 183.10 a 124.00 189.00 216.00 558.52 a 732.00 938.50 6291.94
1952 0.00 z 422.00 l 769.32 a 506.38 a 418.00 301.50 137.00 148.59 b 207.00 390.50 837.50 806.50 4522.28
1953 659.27 a 697.00 750.50 589.66 a 462.00 374.00 139.50 116.50 177.50 420.00 565.00 736.00 5686.92
1954 850.00 640.50 781.50 580.00 378.00 337.00 230.00 201.50 280.34 a 491.50 545.50 806.50 6122.34
1955 874.00 783.00 832.50 706.50 501.17 a 269.50 224.50 163.50 238.50 455.00 731.00 830.00 6609.17
1956 816.50 905.50 779.65 a 518.50 325.50 307.76 a 107.00 137.50 215.00 536.50 727.50 787.50 6164.41
1957 1058.00 676.50 663.00 500.00 330.50 238.50 168.50 193.50 95.50 475.50 715.50 745.50 5860.50
1958 742.50 506.00 737.00 543.00 257.00 162.00 45.50 41.00 229.00 401.00 625.00 653.50 4942.50
1959 759.00 711.00 680.50 528.00 454.00 251.50 120.50 183.00 335.00 478.50 706.00 874.00 6081.00
1960 940.00 777.00 670.00 524.50 472.00 212.00 98.00 171.50 225.00 413.50 676.50 840.00 6020.00
1961 715.00 606.00 670.00 557.50 416.50 170.00 92.00 49.00 299.00 483.50 746.50 804.00 5609.00
1962 884.00 705.00 769.50 484.50 504.00 249.00 136.50 121.00 186.00 455.50 603.00 e 476.00 k 5098.00
1963 656.00 j 334.00 j 695.71 e 636.50 361.50 273.50 193.50 101.50 120.52 a 420.00 628.00 797.50 4228.23
1964 806.00 733.50 740.00 606.50 471.00 270.00 123.00 163.50 264.50 397.50 747.41 a 844.00 6166.91
1965 822.50 695.50 658.00 495.50 475.00 261.50 64.00 90.00 273.21 b 350.00 602.50 936.09 c 5723.80
1966 887.50 760.00 707.32 a 470.69 a 349.00 255.00 a 121.93 a 105.00 160.50 426.00 612.00 743.00 5597.94
1967 771.50 664.00 745.50 677.50 390.00 118.00 51.67 a 13.50 79.00 445.00 636.21 a 878.85 a 5470.72
1968 856.12 a 572.00 564.00 576.00 372.00 198.50 84.50 130.00 186.50 470.17 a 619.50 861.50 5490.78
1969 997.00 770.54 b 651.53 b 536.38 a 253.68 a 129.00 117.00 124.50 196.00 522.00 663.50 770.00 5731.14
1970 791.02 a 583.15 b 658.48 b 642.41 a 350.76 d 160.56 c 79.50 91.00 335.00 489.50 635.36 b 857.67 a 5674.41
1971 851.43 b 752.08 c 784.00 561.96 b 332.00 302.50 108.00 83.00 258.00 f 500.50 692.00 873.50 5840.98
1972 902.50 702.98 b 586.50 640.50 316.20 a 207.50 58.00 95.77 c 351.21 a 510.47 a 683.00 981.84 b 6036.47
1973 942.83 b 512.00 g 730.22 d 409.50 g 351.73 e 231.92 d 126.30 d 200.95 c 222.00 489.28 a 735.50 741.00 4771.73
1974 941.50 750.30 a 669.50 587.31 d 436.21 c 192.50 174.52 d 126.07 a 139.04 d 451.00 634.14 a 778.00 5880.08
1975 792.10 b 716.80 c 773.00 707.78 c 408.17 a 268.93 b 116.50 204.71 b 182.59 a 503.75 c 732.93 a 786.22 b 6193.47
1976 810.50 798.02 a 780.68 a 586.61 b 408.34 b 251.50 h 134.85 a 174.93 c 149.00 g 378.50 g 354.00 k 671.00 f 3693.93
1977 870.21 c 649.83 d 766.73 a 474.60 e 523.12 c 180.56 c 140.07 d 66.50 211.50 j 525.85 d 574.50 g 711.89 c 4909.38
1978 751.50 644.50 472.00 f 455.00 f 370.00 g 68.00 p 73.00 q 167.00 283.93 b 424.70 a 681.50 f 474.50 o 2271.63
1979 781.00 h 755.46 b 617.00 378.00 h 0.00 z 137.00 j 106.00 f 132.50 f 39.50 w 406.44 d 455.50 j 645.83 d 2424.74
1980 695.00 j 450.00 i 737.44 e 380.00 f 442.86 c 254.50 f 114.46 e 175.09 d 123.00 i 235.00 i 359.50 i 596.00 g 1469.85
1981 732.93 c 656.92 b 476.50 i 535.00 c 283.50 l 285.00 e 134.00 g 95.30 d 131.00 i 351.00 g 382.50 l 325.00 q 2305.15
1982 631.00 h 645.08 b 413.50 k 233.50 q 173.00 n 177.41 a 74.00 h 0.00 z 138.10 a 305.72 b 728.00 561.00 k 1994.32
1983 722.50 615.00 608.00 554.00 336.50 268.50 174.50 100.50 293.00 458.50 616.50 936.20 a 5683.70
1984 788.00 651.50 595.50 609.83 a 461.90 a 322.50 132.00 114.50 228.00 526.00 366.50 n 904.50 5334.23
1985 924.50 785.00 774.00 487.50 408.00 221.50 23.00 118.50 320.00 518.50 934.50 945.00 6460.00
1986 398.00 m 669.50 531.00 568.50 392.00 155.00 177.00 29.00 k 215.50 j 442.50 682.50 880.50 4498.50
1987 919.50 666.00 670.12 a 435.00 367.00 160.00 185.50 113.50 218.50 400.50 384.00 n 945.50 5081.12
1988 895.00 720.50 736.50 551.50 478.50 276.50 151.50 148.50 246.00 410.50 688.50 886.00 6189.50
1989 547.50 k 920.50 725.50 441.00 421.50 227.50 190.00 182.00 202.00 339.00 m 662.50 875.50 4848.00
1990 797.50 841.50 442.00 k 319.00 j 476.76 b 148.50 o 71.00 98.50 153.00 571.50 680.00 1071.00 4760.76
1991 918.00 557.00 763.50 618.00 500.00 325.50 72.50 78.00 163.00 442.00 614.00 784.50 5836.00
1992 776.50 584.50 573.00 360.00 f 120.50 o 59.50 q 26.50 r 69.00 j 200.00 k 445.50 686.00 640.50 i 3065.50
1993 989.50 787.00 442.50 j 589.00 193.00 j 273.00 217.50 131.50 195.00 434.00 871.50 896.00 5384.00
1994 779.50 767.50 441.00 j 517.50 333.50 288.00 87.50 84.50 j 181.00 551.00 852.00 846.50 5204.00
1995 223.00 w 638.08 b 713.50 585.50 337.00 244.00 74.00 169.50 167.50 549.50 559.66 a 487.00 m 4038.23
1996 844.00 803.00 685.50 359.50 k 477.50 245.00 73.50 88.00 297.00 515.00 703.97 a 808.14 b 5540.60
1997 849.50 710.00 725.50 596.50 256.50 241.50 91.00 54.50 188.50 511.50 588.50 876.00 5689.50
1998 736.00 658.50 717.00 617.50 453.50 257.00 77.50 104.00 175.00 583.50 688.00 939.00 6006.50
1999 826.27 e 764.50 786.62 c 580.00 506.69 b 286.73 d 126.30 d 76.35 d 223.33 c 488.54 d 589.44 c 585.00 j 5254.78
2000 896.02 e 717.75 e 751.75 c 284.00 l 414.07 c 208.00 130.89 d 124.53 b 235.00 c 522.57 c 825.00 e 650.00 h 4825.59
2001 827.59 c 753.50 653.00 652.50 336.00 297.00 116.77 a 120.00 203.00 534.50 633.50 840.50 5967.86
2002 875.50 735.00 797.50 557.50 480.00 229.50 84.00 107.50 188.50 499.00 604.50 739.50 5898.00
2003 640.00 674.50 618.00 589.00 366.50 159.50 32.50 16.50 152.00 351.00 681.00 0.00 z 4280.50
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 382.50 i 783.50 895.50 1679.00
2006 785.50 0.00 z 823.50 586.00 0.00 z 0.00 z 110.00 138.50 228.00 f 585.00 714.00 900.00 4642.50
2007 978.50 734.50 690.94 e 609.00 435.00 238.00 h 84.50 160.50 300.00 576.50 0.00 z 0.00 z 4569.44
2008 1006.50 789.50 844.50 733.50 441.50 358.50 111.50 161.00 257.00 552.50 633.00 969.50 6858.50
2009 918.00 777.50 844.00 639.00 403.50 227.50 87.00 129.50 210.50 562.00 736.00 1011.00 6545.50
2010 731.00 670.00 752.00 654.50 547.50 346.00 148.00 162.50 256.00 506.00 762.50 821.50 6357.50
2011 852.50 850.50 796.00 752.50 585.50 330.50 211.50 141.50 178.50 509.00 786.50 963.00 6957.50
2012 807.00 803.00 850.00 582.00 460.50 167.00 t 140.53 a 112.00 176.00 469.81 b 645.00 c 868.57 d 5914.42
2013 964.00 728.00 187.00 x 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 1692.00
Period of Record Statistics
MEAN 853.02 712.53 713.80 568.69 408.04 252.15 121.11 127.83 221.72 479.04 684.71 838.48 5969.49
S.D. 102.35 80.18 78.32 70.92 73.29 61.97 46.15 45.79 60.19 68.62 79.96 92.10 418.41
SKEW 0.78 0.03 -0.38 0.32 -0.07 -0.09 0.33 -0.21 0.12 0.14 0.66 -0.20 0.03
MAX 1238.00 920.50 857.00 752.50 585.50 390.00 230.00 219.00 351.21 683.55 934.50 1071.00 6957.50
MIN 640.00 506.00 531.00 435.00 253.68 118.00 23.00 13.50 79.00 305.72 536.00 606.57 4942.50
NO YRS 62 67 65 62 63 62 66 67 63 68 64 62 40