HART MOUNTAIN REFUGE, OREGON

Monthly Total Heating Degree Days

(353692)

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
1939 0.00 z 0.00 z 0.00 z 0.00 z 441.50 370.00 109.00 46.00 279.00 585.00 752.00 869.50 3452.00
1940 994.00 910.00 814.00 676.50 414.00 171.50 93.50 84.00 358.00 551.50 984.50 1024.00 7075.50
1941 1076.00 889.50 831.50 725.00 508.92 a 406.50 68.50 172.00 487.50 649.50 742.00 1087.00 7643.92
1942 1221.50 1111.00 1024.00 698.00 650.00 403.50 95.00 127.50 298.00 545.00 861.50 959.50 7994.50
1943 1158.50 856.00 918.50 594.50 618.50 496.00 129.00 193.00 155.50 587.50 775.50 1099.50 7582.00
1944 1190.50 1077.00 984.50 783.50 556.00 466.00 152.50 178.00 325.00 474.50 1109.40 e 463.50 r 7296.90
1945 1069.00 966.50 1037.50 754.00 550.50 415.50 69.00 102.50 381.00 534.50 939.00 1136.50 7955.50
1946 1144.50 1026.50 909.50 619.00 491.50 340.00 107.50 81.00 5.50 z 0.00 z 436.50 o 1033.00 5752.50
1947 1196.00 822.00 826.50 589.50 f 352.50 419.00 134.50 150.50 295.50 552.50 967.00 1098.00 6814.00
1948 1037.50 1116.50 1093.50 866.00 634.50 344.50 221.13 a 211.50 404.00 629.62 b 948.50 1346.50 8853.75
1949 1657.50 1115.00 367.00 t 279.00 o 488.00 340.34 a 121.00 133.00 246.00 729.00 604.50 1130.00 6564.34
1950 1347.98 a 952.50 1019.50 768.00 621.03 a 368.28 a 88.19 b 103.33 a 347.50 539.92 a 714.00 824.08 a 7694.32
1951 1178.00 a 945.78 a 1090.00 639.83 a 546.00 317.59 a 86.00 147.50 238.97 a 690.27 a 914.48 a 1264.50 8058.91
1952 1273.50 1045.00 1142.00 633.50 484.00 373.50 87.12 b 126.58 a 215.36 b 375.00 980.50 1110.00 7846.06
1953 867.50 921.50 933.00 780.00 732.50 482.00 88.00 168.95 a 192.50 592.00 750.00 a 985.80 a 7493.75
1954 590.00 o 777.00 1042.12 a 670.00 415.92 a 419.46 b 103.33 a 232.00 385.34 a 611.00 726.72 a 1150.10 a 6533.00
1955 1298.38 a 1082.50 1048.00 965.69 a 641.50 285.00 247.45 c 83.50 387.00 544.05 a 966.72 a 1137.00 8686.79
1956 1150.00 1162.07 a 908.09 b 688.00 499.50 368.00 125.50 196.00 303.50 713.52 a 859.00 1016.28 a 7989.46
1957 1377.50 874.22 a 922.00 740.69 a 552.00 290.19 d 131.50 216.00 230.00 738.00 1001.00 985.50 8058.60
1958 1054.00 808.00 1097.50 801.50 359.50 319.50 127.00 53.00 343.00 478.50 837.50 846.00 7125.00
1959 1023.00 1014.50 924.32 a 653.50 702.00 252.00 85.50 159.00 409.50 608.00 795.00 1054.00 7680.32
1960 1268.50 751.50 i 905.41 b 719.00 656.00 223.50 47.00 206.84 b 271.55 a 614.50 970.00 c 1050.00 6932.31
1961 975.50 885.77 b 948.17 b 763.33 c 570.83 b 136.00 44.00 37.72 a 442.00 628.00 983.50 1202.44 e 7617.26
1962 1248.50 760.00 f 1162.00 600.00 638.00 286.00 150.00 162.50 206.00 585.00 843.50 929.45 c 6810.95
1963 1195.05 a 750.17 d 1009.71 c 946.11 c 443.62 b 369.83 a 208.73 a 167.92 a 196.55 a 510.95 c 837.41 a 996.13 a 7632.19
1964 939.50 h 1061.50 1087.30 d 862.50 b 639.12 a 373.00 106.00 176.18 a 373.45 a 467.30 d 982.76 a 1122.95 b 7252.05
1965 1071.10 b 885.50 d 990.93 b 737.78 c 660.30 a 338.50 154.00 192.00 484.50 439.68 a 826.00 1182.50 7962.80
1966 1159.00 1077.50 943.00 679.00 429.50 351.00 135.00 98.00 233.00 519.52 b 827.00 1064.00 7515.52
1967 1054.00 845.00 1035.50 1000.00 536.00 325.00 46.00 33.50 183.00 587.45 a 800.00 1214.50 7659.95
1968 1127.00 834.50 864.50 812.00 556.50 273.00 55.50 227.50 317.00 582.50 898.00 1179.50 7727.50
1969 1185.50 1090.00 1063.00 742.50 428.50 313.50 128.00 124.00 249.50 786.00 804.11 b 1008.07 d 7922.68
1970 1080.19 b 824.00 990.00 936.00 524.00 252.50 67.50 52.50 415.00 679.50 825.00 1238.50 7884.69
1971 1029.50 936.50 1060.00 791.00 580.50 402.00 126.50 48.05 a 433.00 667.61 c 750.00 f 1252.00 7326.66
1972 1235.19 b 941.00 770.00 835.50 488.50 248.28 a 89.00 121.00 438.00 677.50 961.50 1027.50 g 6805.47
1973 1210.50 896.00 a 1044.00 812.50 409.50 275.69 a 90.50 140.00 236.50 f 659.04 d 909.81 d 0.00 z 6447.53
1974 997.00 f 1007.50 998.95 b 803.00 628.78 a 181.11 c 149.26 d 159.00 237.93 a 622.00 836.40 e 900.00 g 5623.93
1975 1074.87 e 706.00 i 1144.13 d 1001.38 a 604.50 375.00 95.00 167.00 f 153.50 l 654.44 d 938.08 d 942.50 6829.90
1976 1025.00 1030.57 b 1076.00 829.14 a 465.50 383.79 a 92.00 274.00 255.56 c 568.33 a 702.22 c 987.00 7689.12
1977 1198.00 825.50 1064.00 610.34 a 724.50 180.00 a 122.00 104.00 338.00 570.00 870.50 757.00 h 6606.84
1978 1035.63 d 881.39 e 726.90 b 798.00 639.00 393.10 a 146.73 a 198.92 a 422.14 b 504.35 e 666.50 h 1338.96 e 7085.12
1979 1354.59 c 1016.00 145.50 z 802.22 c 534.75 a 291.50 110.00 158.44 d 205.00 513.80 d 1016.67 c 1008.57 b 7011.54
1980 1200.14 c 847.50 1034.50 690.50 538.00 429.50 116.77 a 178.50 256.50 539.92 a 822.50 933.32 c 7587.65
1981 978.00 957.70 a 934.50 691.50 556.00 305.50 154.50 91.40 b 310.50 745.55 a 855.52 a 1013.59 c 7594.26
1982 1179.55 a 1008.00 1045.50 881.50 605.50 332.00 185.00 121.00 414.50 674.00 1049.50 1171.50 8667.55
1983 995.62 a 903.50 935.50 863.00 538.50 376.00 268.50 122.50 378.00 556.50 922.50 1208.00 8068.12
1984 1055.50 1016.00 903.00 843.50 525.00 425.50 56.50 95.00 345.50 780.00 947.50 1222.00 8215.00
1985 1196.00 1053.00 1044.00 599.50 514.00 232.50 22.50 184.50 523.00 660.00 1123.50 1098.50 8251.00
1986 846.00 842.00 752.00 729.00 533.50 160.50 199.00 27.50 514.00 583.00 829.50 0.00 z 6016.00
1987 1182.50 910.50 922.00 534.50 451.50 182.31 d 209.50 126.50 219.83 a 454.00 895.86 a 1178.00 a 7267.00
1988 1147.52 a 829.00 909.00 637.00 533.50 288.62 a 80.50 120.50 328.50 400.50 965.50 1142.50 7382.64
1989 1203.00 1215.00 922.50 606.00 581.00 243.00 92.00 206.50 343.00 673.00 879.44 c 991.50 7955.94
1990 1051.00 1022.50 901.00 561.50 606.00 313.50 77.00 164.50 222.00 563.00 851.00 1344.88 a 7677.88
1991 1062.00 709.50 1039.00 820.50 666.00 392.00 70.50 69.00 191.00 565.50 461.50 o 1037.00 6622.00
1992 960.00 818.00 776.50 579.00 326.50 201.00 143.00 91.50 268.00 494.00 936.50 1265.00 6859.00
1993 1273.00 1121.50 796.00 731.00 444.50 391.00 344.50 252.50 292.50 535.50 1061.00 1103.50 8346.50
1994 944.50 1007.50 769.50 646.50 445.00 281.50 51.00 61.50 219.50 651.50 1150.00 1113.50 7341.50
1995 1055.50 706.00 528.50 n 742.50 562.00 259.50 j 123.48 a 171.00 270.00 582.50 721.50 1067.00 6001.48
1996 1037.50 965.00 855.50 685.00 595.50 281.00 58.50 95.58 a 362.50 612.00 801.00 1007.00 7356.08
1997 1073.00 991.00 823.57 a 766.00 381.50 310.00 116.00 74.50 j 269.00 630.33 a 570.00 i 790.00 j 5360.40
1998 1043.00 592.50 k 664.50 i 416.50 m 454.50 k 214.00 l 11.00 n 37.00 j 61.00 q 415.00 k 360.50 r 547.50 p 1043.00
1999 511.00 p 532.00 n 604.50 l 429.00 o 345.00 k 242.00 k 103.50 i 128.00 j 308.57 b 301.00 n 413.00 k 667.00 k 308.57
2000 425.00 s 492.00 m 514.00 n 212.00 r 129.50 w 74.50 g 83.00 g 11.50 u 118.50 p 128.50 y 322.50 v 289.00 v 0.00
2001 1136.67 a 1054.85 b 853.61 c 681.00 f 383.50 236.00 f 107.50 g 42.00 170.00 h 175.00 u 334.00 r 312.50 v 3470.62
2002 529.50 r 298.50 s 440.00 q 387.00 n 527.57 d 255.50 36.00 174.00 283.00 707.00 481.00 l 1046.00 3029.07
2003 798.50 1017.00 682.50 f 601.00 i 530.00 165.00 h 33.00 67.00 223.00 448.00 1011.00 654.00 k 4127.50
2004 1068.00 1026.50 688.00 659.40 e 532.00 244.00 41.50 h 60.50 l 138.50 r 363.50 n 0.00 z 228.50 x 4217.90
2005 543.50 n 368.00 r 233.50 v 413.00 n 411.50 i 297.50 h 32.50 l 63.00 l 225.00 k 329.00 m 347.00 s 512.00 r 0.00
2006 549.50 n 384.00 p 631.00 l 453.50 l 372.50 i 121.50 j 0.50 r 93.50 m 167.50 k 0.00 z 573.00 k 417.50 s 0.00
2007 789.50 j 663.00 g 487.50 l 508.00 j 267.50 l 135.00 l 9.00 k 46.50 h 0.00 z 475.50 h 705.50 g 663.50 n 0.00
2008 1040.00 f 1028.50 740.50 h 851.50 543.50 256.00 g 37.00 j 71.00 i 246.00 185.00 r 540.00 g 682.00 m 2669.50
2009 676.50 k 961.50 753.50 i 629.50 f 381.50 f 309.44 c 87.63 e 118.00 171.50 690.94 e 684.50 h 773.00 l 2339.02
2010 570.00 m 658.50 i 762.50 g 673.50 f 701.08 e 303.50 g 118.00 144.00 309.00 e 370.00 l 578.00 l 671.00 k 1272.08
2011 644.50 m 849.00 g 1000.61 d 889.50 698.50 397.00 158.00 58.00 201.00 584.50 946.00 1137.00 6070.11
2012 1079.00 1033.50 961.50 682.00 537.00 336.00 41.00 47.00 156.00 607.50 828.00 1192.50 7501.00
2013 1214.50 1013.50 873.00 17.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 57.50 z 3101.00
Period of Record Statistics
MEAN 1124.96 956.77 953.16 747.15 541.41 322.35 115.01 132.44 306.39 592.14 888.75 1093.57 7780.03
S.D. 138.30 113.07 111.98 111.03 95.06 81.79 58.98 59.61 92.08 89.16 111.72 120.66 428.62
SKEW 0.70 -0.15 -0.32 0.32 -0.12 -0.22 1.34 0.11 0.45 -0.07 0.06 0.05 0.44
MAX 1657.50 1215.00 1162.00 1001.38 732.50 496.00 344.50 274.00 523.00 786.00 1150.00 1346.50 8853.75
MIN 798.50 706.00 688.00 534.50 326.50 136.00 22.50 27.50 155.50 375.00 604.50 824.08 6859.00
NO YRS 61 62 60 60 67 63 65 64 64 63 57 55 39