MASON DAM, OREGON

Monthly Total Heating Degree Days

(355258)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1969 0.00 z 0.00 z 1026.50 647.00 384.50 228.50 116.00 133.00 266.50 732.00 882.50 1119.50 5536.00
1970 1194.00 912.00 980.50 840.50 499.00 198.00 85.00 67.50 468.50 739.00 905.50 1361.50 8251.00
1971 1239.48 a 987.50 1098.00 716.00 407.00 339.50 120.50 33.00 460.50 706.00 938.00 1329.50 8374.98
1972 1319.00 1111.00 829.00 761.00 428.50 233.00 113.00 77.50 436.00 622.50 917.50 1410.00 8258.00
1973 1386.00 982.50 897.50 689.00 443.50 269.50 79.88 e 113.50 332.50 646.50 985.50 1100.00 7925.88
1974 1415.50 1052.00 972.00 733.00 559.50 168.00 128.00 149.50 h 307.22 c 670.50 939.50 1275.50 8220.72
1975 1366.50 1199.00 1119.50 930.00 550.50 331.50 60.00 230.00 276.00 657.50 996.00 1149.00 8865.50
1976 1283.00 1144.00 1112.00 735.00 447.50 363.50 100.00 208.00 260.19 d 614.00 726.35 d 1194.00 8187.54
1977 1425.00 933.50 992.53 b 573.50 601.00 166.00 129.50 102.00 336.00 610.00 971.50 1046.77 a 7887.30
1978 1110.50 906.00 729.00 686.00 538.48 d 255.00 96.00 168.50 360.50 569.00 1018.00 1413.50 7850.48
1979 1654.50 994.50 887.63 a 702.12 d 337.50 f 239.50 91.97 a 83.00 213.50 532.68 a 984.83 a 691.50 k 6384.23
1980 1296.32 a 919.71 a 931.55 a 585.52 a 459.50 337.24 a 106.84 c 212.87 a 276.72 a 577.50 713.50 h 1129.50 6833.27
1981 1056.50 977.50 851.97 b 640.00 493.00 300.00 135.00 45.50 281.25 b 681.00 859.00 1111.50 7432.22
1982 1344.50 1177.50 962.50 787.50 534.50 221.50 145.00 85.50 338.50 634.50 1032.00 1195.00 8458.50
1983 1078.28 a 907.50 821.50 737.50 439.00 310.50 178.50 54.50 350.50 564.50 895.00 1411.50 7748.78
1984 1340.00 1178.50 899.00 755.50 503.00 340.00 74.00 68.50 382.00 735.00 968.50 1436.00 8680.00
1985 1508.00 1345.00 1122.00 578.00 434.50 235.50 29.00 146.00 474.50 679.50 1236.00 1586.00 9374.00
1986 1230.00 904.50 743.00 674.00 462.50 124.50 163.50 21.70 a 442.50 565.00 866.50 1209.00 7406.70
1987 1409.50 1023.00 875.00 502.00 361.50 174.00 118.50 135.00 212.50 519.50 885.00 1253.50 7469.00
1988 1356.25 a 1030.71 e 900.50 614.00 463.50 223.00 63.50 90.00 318.50 402.50 920.50 1387.00 7769.96
1989 1394.50 1389.00 955.83 a 575.00 482.50 205.50 72.00 186.00 312.50 634.00 866.50 1157.00 8230.33
1990 1157.00 1070.50 811.00 527.00 523.50 259.00 62.00 123.00 146.00 619.00 898.00 1513.00 7709.00
1991 1365.00 809.50 910.00 709.00 540.50 359.50 50.00 29.50 202.50 597.00 969.00 1131.00 7672.50
1992 1170.00 825.50 687.00 541.50 299.00 147.50 117.50 111.00 271.00 516.00 1046.00 1389.50 7121.50
1993 1533.00 1210.50 937.00 710.50 297.50 335.00 317.00 170.00 268.50 538.00 1089.00 1175.00 8581.00
1994 1108.00 1070.50 800.00 537.00 350.00 232.00 44.50 51.50 178.00 646.50 1105.50 1297.00 7420.50
1995 1182.50 878.00 915.50 706.50 466.00 294.00 92.00 174.00 231.00 685.00 855.50 1140.50 7620.50
1996 1216.00 1133.00 865.00 651.50 557.00 253.00 61.00 108.50 374.00 609.50 883.00 1185.50 7897.00
1997 1225.02 a 1013.00 897.00 708.50 359.00 266.50 120.50 54.00 226.50 636.00 824.00 1238.97 a 7568.98
1998 1168.00 994.00 934.50 692.50 491.00 281.50 19.00 70.00 174.00 645.00 883.97 a 1300.00 7653.47
1999 1196.08 a 1143.15 b 1004.00 765.00 e 409.00 g 340.00 c 140.00 64.07 a 312.50 562.50 746.00 1239.00 7512.30
2000 1246.50 975.00 941.00 565.50 444.00 205.18 b 96.50 85.00 328.50 605.50 1098.50 882.00 i 6591.18
2001 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
2002 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
2003 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
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 0.00 z 0.00 z 0.00 z 0.00
2006 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
2007 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
2008 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
2009 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
2010 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
2011 1241.07 b 1016.08 b 969.00 807.00 623.32 c 23.00 z 26.00 v 24.50 152.00 545.00 989.50 1208.00 7575.47
2012 1194.53 a 1019.50 873.00 632.68 b 518.50 300.00 31.00 35.50 164.48 a 595.50 555.00 i 1188.50 6553.19
2013 1501.50 983.11 a 885.50 15.50 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 3370.11
Period of Record Statistics
MEAN 1291.52 1035.77 918.19 676.95 467.57 258.69 101.72 101.88 298.11 614.51 943.19 1258.79 7977.49
S.D. 139.83 133.59 104.05 96.81 80.21 65.16 54.70 58.50 92.54 71.36 104.72 131.73 524.02
SKEW 0.50 0.72 0.08 0.24 -0.32 -0.14 1.74 0.59 0.25 -0.50 0.46 0.63 0.78
MAX 1654.50 1389.00 1122.00 930.00 623.32 363.50 317.00 230.00 474.50 739.00 1236.00 1586.00 9374.00
MIN 1056.50 809.50 687.00 502.00 297.50 124.50 19.00 21.70 146.00 402.50 726.35 1046.77 7121.50
NO YRS 34 34 35 34 32 33 33 33 34 34 32 32 26