CRATER LAKE NATL PARK H, OREGON

Monthly Total Heating Degree Days

(351946)

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
1919 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 869.79 e 1023.00 1167.00 3059.79
1920 978.50 1090.00 1181.50 1002.00 770.00 520.00 296.00 270.00 541.00 890.50 1086.50 945.50 f 8626.00
1921 1041.17 b 849.50 987.00 883.89 c 720.00 472.50 279.00 275.00 553.00 625.00 629.00 j 1154.00 7840.06
1922 1432.50 1009.00 1024.50 902.00 735.00 327.50 145.50 316.50 373.00 747.50 1066.50 1271.50 9351.00
1923 1246.50 1054.50 1036.00 843.00 758.50 0.00 z 288.50 343.50 504.50 783.50 860.77 d 1229.48 c 8948.75
1924 1232.00 958.00 1160.50 824.50 578.00 310.50 346.00 458.00 596.00 805.50 1134.00 1352.12 a 9755.12
1925 1094.00 1072.50 1036.00 901.00 82.50 z 0.00 z 0.00 z 220.50 k 0.00 z 0.00 z 0.00 z 0.00 z 4103.50
1926 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 906.00 1289.08 a 2195.08
1927 1302.52 a 1198.50 1235.72 b 1029.00 568.50 k 552.00 220.50 h 310.00 708.50 813.50 1052.50 1275.65 a 9477.89
1928 1156.62 b 1083.20 b 1101.03 b 1106.79 b 627.48 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5075.13
1929 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 174.50 0.00 z 692.50 763.50 1123.00 2753.50
1930 1526.50 1064.00 0.00 z 995.50 1005.00 0.00 z 0.00 z 282.00 0.00 z 0.00 z 797.00 1122.72 a 6792.72
1931 1055.50 951.50 1076.50 882.50 612.25 a 404.50 152.00 230.12 e 553.00 777.50 948.00 707.00 m 7643.37
1932 1306.00 971.00 g 1005.20 d 985.50 775.00 482.00 341.00 270.50 353.50 604.50 a 902.50 1380.00 8405.70
1933 1361.00 1219.00 1193.50 906.00 951.50 577.50 230.50 233.50 573.00 557.50 782.00 818.00 h 8585.00
1934 1026.00 894.50 784.50 678.00 654.74 b 534.50 297.00 234.00 406.00 685.00 955.00 1112.00 8261.24
1935 711.00 k 996.00 1255.50 958.00 757.50 479.00 376.50 244.00 320.00 794.50 1000.50 1059.00 8240.50
1936 1175.50 1143.50 1090.50 811.50 683.50 533.00 250.58 a 221.50 423.50 491.50 788.00 1199.00 8811.58
1937 1584.50 1216.00 1149.00 1053.50 716.00 542.50 220.50 328.00 411.21 a 687.17 d 940.00 1079.50 9927.87
1938 1136.50 1167.00 1269.50 970.00 817.00 519.83 a 239.50 319.00 358.00 774.50 1071.00 1077.50 9719.33
1939 1173.00 1190.00 1034.00 771.21 a 716.50 580.50 241.50 117.00 h 395.00 673.00 805.50 1090.00 8670.21
1940 1109.00 1077.00 1002.33 a 879.50 637.00 294.50 325.50 158.62 a 578.33 c 734.00 1030.00 1090.00 8915.78
1941 1147.50 989.00 932.00 885.00 d 765.00 615.50 207.50 365.80 a 609.00 750.20 a 852.50 1183.50 9302.50
1942 1136.67 a 1142.00 1085.50 921.50 847.50 614.00 227.50 214.50 339.50 602.00 238.50 w 0.00 z 7130.67
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 327.57 a 384.92 a 119.00 q 0.00 z 0.00 z 0.00 z 712.48
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 295.00 329.00 0.00 z 0.00 z 0.00 z 0.00 z 624.00
1945 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
1946 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 940.85 a 1045.50 1127.00 3113.35
1947 1205.50 901.00 982.50 840.50 583.00 629.50 335.50 379.00 573.00 734.50 1033.50 1165.00 9362.50
1948 1058.50 1165.18 a 1218.50 1107.50 853.00 521.90 a 394.50 260.00 515.50 645.00 1091.00 1434.00 10264.58
1949 1448.50 1218.50 1176.50 781.50 682.50 448.00 260.00 345.13 a 380.00 823.57 a 745.50 1262.50 9572.20
1950 1485.50 1056.00 1192.00 975.00 741.50 595.50 280.00 199.00 395.00 766.00 913.50 982.50 9581.50
1951 1290.00 1107.08 b 1191.50 751.00 730.00 440.00 187.55 a 257.00 257.50 810.00 1003.97 a 1264.00 9289.59
1952 1389.50 1148.00 1248.50 825.52 a 745.00 673.00 229.73 c 214.50 k 234.50 i 382.50 f 996.50 1236.50 8492.25
1953 1111.50 1016.30 a 1175.00 1016.00 959.97 a 762.93 a 334.50 413.50 257.59 a 757.95 a 942.32 b 1120.00 9867.55
1954 1304.50 914.50 1246.20 a 911.90 a 706.50 684.23 d 341.00 b 489.00 563.79 a 793.08 a 885.00 a 1197.00 10036.70
1955 1286.00 1193.00 1251.50 1202.00 851.50 545.50 457.00 235.50 419.00 i 751.50 1094.00 1223.00 10090.50
1956 1321.00 1247.00 1238.00 901.07 b 744.00 645.00 c 252.50 345.81 b 450.56 c 865.50 825.50 1037.50 9873.44
1957 1411.50 1001.00 1168.18 a 961.50 762.50 497.00 388.50 450.00 366.50 895.50 1039.00 1117.00 10058.18
1958 1184.00 1007.50 1288.00 1047.50 621.00 557.00 218.55 a 182.50 503.50 599.50 931.00 950.00 9090.05
1959 1174.00 1128.00 1113.00 832.50 902.50 484.29 b 189.00 277.50 592.00 712.50 817.50 1067.50 9290.29
1960 1283.00 1216.00 1055.50 1016.00 895.50 453.50 165.00 382.00 384.50 718.00 1084.50 1095.50 9749.00
1961 1050.00 1105.50 1227.00 965.50 866.50 419.00 241.50 205.50 601.00 797.50 1041.00 1255.00 9775.00
1962 1233.05 b 1121.00 1285.50 881.00 967.00 569.50 308.00 366.50 381.00 711.00 971.50 1004.00 9799.05
1963 1126.50 878.50 1169.50 1153.00 752.00 640.00 457.50 356.00 379.00 782.00 1042.50 1005.00 9741.50
1964 1283.50 1061.00 1230.50 1036.00 883.00 659.00 368.00 410.00 526.00 612.00 1025.50 1249.50 10344.00
1965 1157.00 1012.50 1074.50 948.50 886.00 582.00 347.50 392.50 550.00 588.50 1008.00 1278.00 9825.00
1966 1257.50 1183.00 1164.00 846.50 682.00 620.50 458.50 297.00 457.24 a 708.00 968.00 1185.00 9827.24
1967 1200.00 999.00 1280.50 1229.50 799.50 553.00 248.00 149.50 323.00 799.00 871.00 1266.00 9718.00
1968 1229.50 961.00 1083.50 1006.50 843.50 531.00 248.50 473.00 458.50 827.50 1059.50 1365.00 10087.00
1969 1364.50 1255.00 1154.00 1039.00 712.00 519.00 325.50 380.50 465.50 954.00 851.50 1146.50 10167.00
1970 1225.00 969.00 1146.50 1172.50 783.50 488.50 276.50 273.00 614.00 804.00 1016.00 1332.00 10100.50
1971 1217.50 1067.00 1299.00 1067.50 847.00 688.50 309.00 225.00 590.50 873.50 1034.50 1375.50 10594.50
1972 1290.00 1125.50 1070.50 1112.50 767.50 533.00 284.00 329.50 641.50 735.50 1078.00 1359.50 10327.00
1973 1345.50 1051.50 1232.00 932.50 680.00 540.00 265.00 320.50 484.50 803.50 1154.00 1207.00 10016.00
1974 1347.00 1173.50 1181.00 1092.50 888.00 495.50 405.50 303.00 276.50 657.00 984.00 1207.50 10011.00
1975 1183.50 1165.50 1247.50 1203.00 838.50 627.50 339.97 a 457.50 318.00 919.00 1174.00 1070.50 10544.47
1976 1100.50 1151.00 1233.50 1074.50 786.50 672.50 404.00 532.50 428.00 658.50 763.00 991.50 9796.00
1977 1137.00 959.00 1277.00 894.00 1032.00 411.50 358.50 219.00 581.00 736.00 1119.00 1168.50 9892.50
1978 1193.50 1075.50 988.50 1058.00 911.50 619.00 330.50 402.50 661.00 420.00 g 1073.00 1360.50 9673.50
1979 1367.50 1152.00 1043.50 1037.50 770.50 543.62 a 341.00 393.70 a 396.50 693.50 1087.00 1088.50 9914.82
1980 1264.00 1049.50 1237.00 968.50 865.00 745.00 337.50 388.53 a 490.00 655.00 957.00 1024.00 9981.03
1981 1009.50 1029.00 1113.00 959.00 838.50 557.50 338.00 218.00 430.00 831.00 1015.50 1198.50 9537.50
1982 1330.50 1139.00 1252.00 1155.50 824.50 619.00 424.50 345.50 598.00 838.00 1123.50 1216.50 10866.50
1983 1149.00 1101.50 1136.00 99.50 z 864.00 684.00 622.00 349.00 532.50 707.00 1122.50 1288.00 9555.50
1984 1119.00 1079.00 1101.00 1101.50 878.00 674.50 329.50 335.50 565.50 950.00 1191.50 1339.00 10664.00
1985 1092.00 1140.74 a 1227.00 827.50 856.00 518.50 191.50 403.50 682.00 835.50 1246.50 1026.00 10046.74
1986 1107.00 1023.00 1020.00 997.24 a 850.00 464.50 446.00 175.00 690.00 708.50 996.50 1142.00 9619.74
1987 1248.50 1070.00 1187.50 830.50 712.00 449.50 452.50 298.50 339.00 459.50 979.66 a 1319.00 9346.16
1988 1267.00 975.50 1128.00 910.00 908.50 594.00 270.00 274.00 443.00 459.50 1110.50 1158.50 9498.50
1989 1220.50 1292.00 1189.50 850.50 880.50 543.50 403.00 447.50 483.00 813.50 923.00 971.50 10018.00
1990 1195.50 1168.00 1054.50 790.50 852.50 577.50 266.00 319.50 379.00 779.50 1026.50 1362.00 9771.00
1991 1137.50 884.00 1274.50 1071.00 929.00 721.50 281.50 286.00 285.50 612.50 961.00 1116.50 9560.50
1992 1139.00 993.50 929.00 853.00 516.50 405.50 358.50 216.50 460.00 651.50 1068.50 1284.00 8875.50
1993 1360.00 1156.00 988.50 1069.00 757.50 687.50 563.00 406.00 408.00 648.50 1012.00 1170.00 10226.00
1994 1045.50 1152.50 984.00 908.50 735.00 558.50 189.50 323.50 410.00 795.50 1290.50 1297.50 9690.50
1995 1194.00 858.00 1186.50 1035.50 809.00 652.00 408.50 443.50 388.00 753.00 863.50 1152.00 9743.50
1996 1196.50 1071.50 1089.65 a 973.00 886.50 586.50 225.00 264.50 551.50 782.50 971.00 1184.50 9782.65
1997 1257.50 1073.50 1083.00 1032.50 694.00 647.50 355.50 281.50 482.50 811.00 967.50 1176.50 9862.50
1998 1173.00 1129.50 1130.00 989.00 934.00 618.50 261.50 240.00 351.00 820.50 1099.00 1286.00 10032.00
1999 1178.00 1190.50 1244.50 1024.50 893.00 663.00 435.50 359.50 422.50 631.50 942.00 1076.00 10060.50
2000 1240.00 1055.00 1188.50 874.00 827.00 486.50 372.50 275.00 480.50 787.00 1075.00 1090.00 9751.00
2001 1159.50 1120.50 1016.00 1058.50 603.00 565.00 310.00 219.07 a 375.00 659.00 994.50 1253.50 9333.57
2002 1290.00 1020.50 1213.00 895.50 828.50 504.50 209.00 346.00 400.00 725.00 903.50 1133.00 9468.50
2003 985.28 a 1075.00 1118.50 1088.50 773.34 c 480.50 192.00 270.50 353.50 636.00 1164.83 a 1193.50 9331.45
2004 1187.30 a 1124.00 929.50 868.50 807.50 550.00 260.00 281.50 540.50 800.50 1003.00 1044.18 a 9396.48
2005 1141.00 980.50 1004.00 1027.00 774.48 a 692.00 227.33 a 224.50 528.50 781.50 976.00 1155.50 9512.32
2006 1246.00 1100.50 1335.00 979.50 740.50 504.00 209.50 323.50 424.50 764.67 a 1090.50 1198.50 9916.67
2007 1230.18 a 1035.00 984.25 a 979.00 733.67 d 556.07 b 196.50 327.00 473.00 910.00 918.62 a 1312.00 9655.29
2008 1351.50 1109.50 1242.07 a 1108.50 645.00 f 641.54 d 331.00 313.00 391.50 689.50 885.52 a 1236.38 a 9300.01
2009 1071.00 1095.00 1218.00 1040.69 a 757.50 572.50 238.00 320.00 368.50 854.00 1089.50 1277.50 9902.19
2010 1168.00 1113.00 1158.50 1105.34 a 1008.50 690.50 311.50 395.00 523.50 737.50 1125.00 1272.50 10608.84
2011 1143.50 1151.00 1267.00 1178.50 986.32 a 707.50 506.50 307.00 359.00 771.00 1126.50 1091.00 10594.82
2012 1158.00 1168.00 1268.00 991.50 843.50 703.50 356.00 235.50 316.50 732.50 1012.50 1317.50 10103.00
2013 1200.00 1090.00 1082.00 27.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 47.00 z 3372.00
Period of Record Statistics
MEAN 1215.38 1080.04 1139.69 972.69 794.88 561.83 309.60 312.54 462.12 743.82 997.32 1186.02 9787.21
S.D. 119.45 95.78 108.49 115.25 106.30 97.38 91.67 82.17 107.83 103.15 112.95 110.92 458.94
SKEW 0.56 -0.36 -0.58 0.00 -0.12 -0.36 0.74 0.28 0.24 -0.43 -0.18 -0.01 -0.37
MAX 1584.50 1292.00 1335.00 1229.50 1032.00 762.93 622.00 532.50 708.50 954.00 1290.50 1434.00 10866.50
MIN 978.50 849.50 784.50 678.00 516.50 294.50 145.50 149.50 257.50 459.50 745.50 950.00 8261.24
NO YRS 87 87 87 86 84 83 85 86 82 85 87 85 69