SPRAGUE RIVER, OREGON

Monthly Total Heating Degree Days

(358007)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200102
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
1953 0.00 z 0.00 z 0.00 z 0.00 z 67.00 z 462.50 86.00 166.50 215.00 418.00 i 710.50 351.50 t 1640.50
1954 0.00 z 0.00 z 0.00 z 635.50 403.00 407.50 118.00 264.50 416.50 715.58 a 756.00 1209.50 4926.08
1955 1379.50 1151.00 988.00 0.00 z 0.00 z 275.17 a 225.55 b 83.50 374.50 577.00 954.23 d 1124.00 7132.46
1956 1101.00 1176.00 979.50 640.00 455.50 379.04 d 83.91 b 190.65 a 361.50 371.00 k 0.00 z 0.00 z 5367.10
1957 0.00 z 0.00 z 535.50 l 555.00 0.00 z 51.00 27.50 105.00 214.50 649.45 a 984.83 a 1052.50 3639.78
1958 1092.00 735.00 977.00 741.00 334.50 255.50 52.00 44.50 395.69 a 506.50 777.00 894.50 6805.19
1959 1005.50 951.50 875.00 607.00 642.00 270.00 69.00 145.50 397.00 589.00 894.50 1235.50 7681.50
1960 1170.00 998.50 788.50 654.50 602.50 246.00 43.50 236.00 272.50 641.50 922.00 1125.50 7701.00
1961 1044.00 850.50 903.50 700.00 589.00 158.00 66.00 42.00 408.50 608.00 955.50 1174.00 7499.00
1962 1390.50 970.50 949.50 612.00 625.00 298.50 153.50 187.50 237.50 600.50 818.00 991.00 7834.00
1963 1197.50 690.50 907.00 841.03 a 433.00 287.50 h 178.50 181.00 195.00 569.00 846.00 1036.50 7075.03
1964 1181.00 1206.00 1100.50 782.50 621.50 335.00 112.50 178.00 414.00 531.28 b 923.50 0.00 z 7385.78
1965 0.00 z 0.00 z 0.00 z 410.00 h 542.50 282.00 104.00 171.50 0.00 z 517.00 846.50 1233.00 3696.50
1966 1160.00 1038.00 860.50 645.50 411.00 369.50 0.00 z 0.00 z 0.00 z 459.50 n 0.00 z 0.00 z 4484.50
1967 0.00 z 0.00 z 0.00 z 913.50 449.50 227.00 35.00 15.00 g 170.50 580.00 811.00 1132.50 f 3186.50
1968 1244.50 306.50 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 299.50 o 851.50 1179.00 3275.00
1969 1218.00 1012.00 1040.22 d 675.00 d 349.35 e 173.08 d 78.61 c 64.50 k 211.00 g 734.18 a 853.85 d 1034.88 a 7169.17
1970 1006.97 b 812.00 b 865.93 a 848.79 a 446.18 c 110.00 j 35.00 k 91.00 427.24 a 651.00 b 838.93 b 1248.02 b 7236.06
1971 1137.00 917.84 c 1018.00 572.00 f 478.50 303.21 b 104.48 d 56.50 415.34 a 543.50 g 701.50 f 1277.00 5707.88
1972 1260.50 911.50 723.50 762.00 476.33 e 182.88 d 46.50 i 96.74 b 409.00 609.50 703.00 f 1339.00 6770.95
1973 1197.00 819.50 931.72 d 695.17 a 340.43 d 101.50 m 79.50 i 0.00 z 211.50 h 664.12 e 883.27 d 1015.00 6546.21
1974 1217.55 b 978.00 914.50 546.50 h 575.50 135.00 c 150.35 a 77.00 i 242.31 d 660.00 890.69 a 1116.00 6879.90
1975 856.50 j 0.00 z 0.00 z 912.60 e 497.66 c 349.00 56.50 h 74.00 p 235.00 687.50 905.36 b 993.50 4580.62
1976 1020.00 939.50 986.50 760.00 443.50 334.50 63.00 208.70 c 236.90 a 584.00 787.50 1174.00 7538.09
1977 1382.00 850.50 978.00 618.50 666.00 104.50 51.48 c 82.00 328.00 578.50 862.50 1037.00 7538.98
1978 949.50 842.50 712.00 732.00 580.39 d 238.00 81.63 a 167.50 388.50 530.50 1010.00 1295.80 a 7528.32
1979 1241.00 900.00 771.50 690.50 417.00 236.50 94.00 135.50 198.50 475.00 970.00 1039.00 7168.50
1980 1075.50 781.50 900.50 623.50 508.00 348.00 86.00 160.00 249.50 521.00 814.50 1042.50 7110.50
1981 977.00 861.50 841.00 651.21 a 517.00 264.00 114.00 93.00 294.50 644.50 829.00 950.50 7037.21
1982 1317.50 938.50 886.00 788.50 477.00 241.00 109.50 80.00 l 363.10 a 629.00 983.00 1223.50 7956.60
1983 984.50 816.50 833.00 768.00 446.50 293.50 198.50 79.00 184.50 l 544.50 883.00 1142.50 6989.50
1984 1192.50 974.50 793.50 779.00 460.87 a 306.72 a 11.50 r 102.00 253.50 j 295.00 r 300.00 t 41.50 z 4609.09
1985 498.50 s 214.00 w 0.00 z 415.50 j 490.00 191.50 25.00 l 0.00 z 468.50 367.50 m 1174.00 850.00 j 2324.00
1986 410.00 q 771.04 a 698.50 719.50 529.07 a 70.00 n 140.53 a 17.50 m 479.00 601.50 838.97 a 1080.50 5858.60
1987 1185.50 883.00 833.50 541.55 a 389.50 135.00 a 182.26 b 76.50 k 240.00 a 444.50 867.22 c 1130.47 a 6832.50
1988 1201.25 c 896.00 427.00 o 585.00 548.00 253.50 28.50 n 138.50 330.50 403.50 880.00 1161.00 6397.25
1989 1318.50 1199.50 842.50 537.50 472.00 197.00 121.42 a 158.00 286.00 639.50 891.67 c 1092.00 7755.58
1990 1039.50 984.00 814.00 493.50 561.50 148.50 s 48.00 116.00 210.00 580.50 879.00 1336.50 7062.50
1991 1093.00 725.93 a 908.00 716.00 572.00 330.50 25.00 42.50 163.00 538.00 484.00 n 1144.42 a 6258.34
1992 1132.50 782.00 771.50 604.50 278.50 191.50 109.00 109.50 318.00 572.50 655.50 j 1309.50 6179.00
1993 1344.50 1178.50 581.50 i 723.00 430.00 360.50 290.00 237.50 327.50 569.50 0.00 z 0.00 z 5461.00
1994 0.00 z 0.00 z 0.00 z 0.00 z 424.50 325.00 66.00 174.00 276.50 756.50 1224.50 1239.00 4486.00
1995 996.00 753.50 918.00 189.00 u 535.00 356.00 192.00 267.12 a 309.00 742.00 753.50 1026.00 6848.12
1996 1097.50 946.00 852.50 705.50 603.00 320.50 99.50 155.00 431.50 685.50 859.00 1043.00 7798.50
1997 1135.50 925.00 805.00 755.50 401.00 351.50 176.00 126.00 347.50 700.50 822.00 1199.00 7744.50
1998 962.00 879.00 847.00 739.50 622.50 346.50 77.00 133.00 270.50 742.00 904.00 774.50 k 6523.00
1999 1169.50 1046.77 b 964.50 797.00 592.50 369.83 a 220.00 142.08 a 321.00 586.23 c 720.00 a 1057.21 b 7986.62
2000 1029.41 b 862.15 e 896.50 533.50 424.00 169.44 c 74.50 28.00 306.00 656.00 1033.45 a 1104.93 c 7117.88
2001 1112.38 a 933.13 e 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 2045.51
Period of Record Statistics
MEAN 1148.98 922.22 883.15 694.46 492.32 272.02 110.45 137.71 315.73 605.28 885.25 1130.94 7490.34
S.D. 122.10 131.79 92.76 101.64 92.12 88.98 60.74 61.55 86.04 81.24 104.09 109.82 340.85
SKEW 0.28 0.55 0.05 0.13 -0.08 -0.35 0.94 0.21 0.05 -0.17 1.23 0.10 -0.54
MAX 1390.50 1206.00 1100.50 913.50 666.00 462.50 290.00 267.12 479.00 756.50 1224.50 1339.00 7986.62
MIN 949.50 690.50 698.50 493.50 278.50 51.00 25.00 28.00 163.00 403.50 710.50 894.50 6805.19
NO YRS 40 40 37 39 44 42 39 37 41 41 40 39 16