BRYCE CANYON NP HQ, UTAH

Monthly Total Heating Degree Days

(421008)

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
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 91.00 g 30.50 146.00 380.00 665.00 967.00 1224.00 3412.50
1960 1501.50 1292.00 1007.50 729.50 539.00 193.00 71.50 124.50 289.00 774.00 1018.50 1310.00 8850.00
1961 1324.50 1067.50 1123.50 811.00 598.50 210.50 108.50 189.00 480.50 739.00 1079.50 1393.00 9125.00
1962 1331.00 1080.00 1284.50 679.00 614.00 313.00 151.00 140.50 318.10 a 641.50 882.00 1183.00 8617.60
1963 1411.02 a 920.50 1137.50 861.00 466.50 325.00 38.50 153.50 306.50 543.50 984.00 1262.00 8409.52
1964 1419.00 1318.00 1276.50 865.50 623.00 349.50 48.00 141.00 394.50 580.50 1122.93 a 1274.50 9412.93
1965 1254.50 1135.50 1174.50 882.00 657.50 405.00 129.00 171.00 469.00 569.00 917.00 1262.50 9026.50
1966 1435.00 1293.50 1008.50 725.00 460.50 263.50 80.50 77.50 312.50 672.50 908.50 1275.00 8512.50
1967 1270.50 1058.00 913.00 912.00 607.00 369.50 55.50 96.00 326.00 570.50 873.00 1433.50 8484.50
1968 1325.50 1043.50 1029.72 a 908.00 617.00 253.50 133.50 279.00 398.50 673.00 1019.50 1387.50 9068.22
1969 1172.50 1233.00 1244.00 768.00 446.50 364.00 84.00 90.50 307.50 842.00 1019.50 1198.00 8769.50
1970 1255.50 968.50 1101.00 937.00 514.00 266.00 105.50 109.02 a 434.50 765.50 936.50 1356.00 8749.02
1971 1283.92 a 1149.00 1051.50 782.50 636.50 252.00 69.00 90.00 435.00 803.50 1127.00 1430.00 9109.92
1972 1288.00 1066.02 b 815.50 719.00 524.50 218.50 42.50 153.00 389.50 707.50 1171.00 0.00 z 7095.02
1973 1488.00 1159.50 0.00 z 909.50 503.00 272.00 106.50 122.50 401.00 658.50 1028.00 1206.50 7855.00
1974 1404.09 b 1202.96 a 881.50 827.88 d 420.57 a 160.50 88.00 160.00 314.00 655.50 808.00 f 1390.57 c 7505.57
1975 1278.20 c 1206.00 1155.02 b 1033.00 677.00 335.89 b 84.50 204.50 355.50 707.00 1002.93 a 1147.60 e 9187.13
1976 1258.60 a 1048.00 1173.50 831.00 509.50 283.00 76.50 201.00 372.50 739.50 927.41 a 1209.00 8629.51
1977 1352.63 a 1026.00 1129.50 715.50 638.00 195.00 68.50 76.50 282.50 592.00 914.48 a 1057.00 8047.62
1978 1255.00 1124.50 930.00 767.50 605.50 238.00 90.50 146.50 381.50 532.50 999.64 b 1437.50 8508.64
1979 1497.00 1209.00 1109.00 850.50 561.50 280.50 83.50 197.00 259.00 556.00 1155.00 1172.00 8930.00
1980 1172.50 1065.50 1176.00 799.82 b 641.70 a 267.50 76.47 a 154.50 335.50 704.00 933.00 972.00 8298.49
1981 1082.50 999.00 1049.00 637.50 560.00 136.50 42.50 135.00 303.50 756.50 919.14 a 1100.50 7721.64
1982 1266.00 1137.00 1052.50 839.00 595.50 330.50 133.00 136.00 339.00 828.00 1058.00 1320.00 9034.50
1983 1250.00 1073.50 1065.00 1007.50 601.50 290.50 94.50 130.50 267.00 639.00 1038.50 1220.00 8677.50
1984 1334.00 1165.50 1060.00 867.00 396.50 321.00 94.50 130.50 298.00 832.00 994.50 1283.50 8777.00
1985 1361.00 1202.00 1055.00 658.50 476.50 184.50 98.50 136.50 447.00 673.50 1076.38 a 1233.28 a 8602.66
1986 1089.50 1008.00 884.53 a 780.00 504.00 187.50 127.00 98.00 499.50 800.00 972.00 1306.00 8256.03
1987 1399.00 1136.50 1159.00 691.50 570.50 205.00 153.00 184.50 373.00 598.50 1077.00 1386.50 8934.00
1988 1359.00 1100.50 1094.00 761.50 604.00 202.00 34.00 142.00 395.50 530.50 1005.00 1351.00 8579.00
1989 1490.50 1226.50 859.50 591.50 318.50 n 293.50 43.00 j 166.00 349.50 702.50 925.50 1202.50 7807.50
1990 1315.00 1188.50 958.00 697.50 573.00 182.50 67.00 174.00 282.00 699.50 1005.50 1545.00 8687.50
1991 1415.50 1010.50 1195.50 874.00 622.50 338.50 99.00 119.00 329.50 616.50 1083.00 1337.50 9041.00
1992 1380.50 1124.00 1004.00 608.50 473.50 294.00 184.00 151.00 344.50 590.00 1137.00 1469.00 8760.00
1993 1351.00 1178.00 1019.00 796.00 505.50 332.50 88.50 168.00 388.50 718.50 1113.00 1311.50 8970.00
1994 1230.50 1254.50 930.50 731.50 509.50 125.50 38.50 58.50 309.00 754.00 1206.00 1303.50 8451.50
1995 1345.00 933.00 1031.50 834.00 671.50 398.00 147.50 79.00 308.50 695.50 850.50 1205.50 8499.50
1996 0.00 z 1017.50 1001.50 781.00 443.00 153.50 27.00 85.00 410.50 763.00 998.50 1253.00 6933.50
1997 1319.00 1171.50 939.00 903.50 481.00 268.00 136.50 140.50 327.00 750.50 993.00 1364.00 8793.50
1998 1247.00 1212.50 1127.50 916.50 621.00 395.00 69.50 113.00 371.50 780.50 1025.00 1275.50 9154.50
1999 1129.50 1040.00 887.00 938.28 a 668.64 b 295.50 89.79 b 195.50 398.79 a 610.91 b 890.50 1271.53 b 8415.95
2000 1180.50 1080.50 1064.85 a 654.00 386.47 a 0.00 z 59.50 74.00 315.00 a 697.50 1272.00 1124.78 a 7909.10
2001 1324.00 1130.00 1002.50 817.22 c 454.09 d 174.81 d 93.00 a 113.67 a 285.50 540.90 b 957.00 1382.50 8275.19
2002 1329.50 1145.00 1115.50 667.50 524.50 134.00 26.50 99.00 368.00 771.00 1022.50 1325.00 8528.00
2003 1069.50 1125.00 1046.50 846.50 536.00 216.50 10.50 87.00 294.00 525.50 1129.50 1319.50 8206.00
2004 1401.00 1321.50 910.50 0.00 z 504.50 223.00 82.00 150.00 402.00 772.00 1132.00 1319.50 8218.00
2005 1251.00 1124.26 e 1109.50 853.50 536.00 362.50 45.50 191.50 385.50 694.50 930.50 1273.50 8757.76
2006 1335.14 b 1121.50 1186.00 772.00 453.50 148.00 54.00 121.00 496.00 758.00 963.00 1288.29 e 8696.43
2007 1496.35 e 1044.50 682.00 i 747.00 417.50 h 216.60 e 23.00 42.00 l 345.50 732.00 414.00 o 0.00 z 4604.95
2008 0.00 z 0.00 z 1077.85 e 903.00 225.00 v 0.00 z 70.00 l 33.50 295.00 595.50 784.00 1164.00 4852.85
2009 1073.50 988.00 915.00 757.50 349.50 323.50 19.00 106.50 237.50 719.00 852.50 1267.00 7608.50
2010 1180.00 1031.50 1009.50 769.00 613.00 183.50 39.00 128.00 247.00 600.00 980.00 1003.00 7783.50
2011 1137.70 a 1071.50 953.00 738.00 588.00 237.00 82.50 38.00 291.00 607.00 947.50 1175.00 7866.20
2012 1042.50 1049.00 880.50 635.36 b 395.77 a 97.00 51.00 54.00 274.00 560.50 800.00 1139.50 6979.12
2013 1274.00 1064.00 436.00 q 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 2338.00
Period of Record Statistics
MEAN 1296.88 1115.87 1046.37 795.95 541.60 256.19 79.46 131.35 350.38 677.87 1002.40 1271.19 8586.21
S.D. 117.87 94.91 111.92 100.58 83.45 78.32 39.21 46.95 63.57 88.37 102.32 113.94 475.88
SKEW -0.28 0.24 0.03 0.06 -0.31 0.03 0.45 0.31 0.50 -0.07 0.26 -0.29 -1.11
MAX 1501.50 1321.50 1284.50 1033.00 677.00 405.00 184.00 279.00 499.50 842.00 1272.00 1545.00 9412.93
MIN 1042.50 920.50 815.50 591.50 349.50 97.00 10.50 33.50 237.50 525.50 784.00 972.00 6979.12
NO YRS 52 53 51 52 50 51 52 53 54 54 52 52 44