RICO, COLORADO

Monthly Total Heating Degree Days

(057017)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200108
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
1948 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
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 124.50 m 397.00 646.35 a 945.00 1030.00 3018.35
1959 1240.50 1162.50 1111.00 791.50 625.00 297.50 165.50 241.00 481.50 694.50 1017.00 1139.00 8966.50
1960 1454.50 1411.00 1079.00 824.50 651.00 307.00 184.50 184.45 a 360.00 731.60 a 984.00 1310.00 9481.55
1961 1284.50 1130.00 1109.50 883.00 595.00 301.50 227.00 236.50 528.50 747.50 1125.00 1386.50 9554.50
1962 1324.50 1108.50 1321.50 743.00 627.00 425.00 268.50 275.50 416.50 629.50 906.00 1150.50 9196.00
1963 1436.00 1070.00 1204.00 846.00 540.00 427.50 184.00 229.00 328.50 572.50 916.50 1266.00 9020.00
1964 1461.50 1372.50 1325.50 981.00 636.50 431.00 182.50 294.50 462.50 621.50 1083.00 1410.00 10262.00
1965 1274.00 1215.50 1292.00 922.50 708.50 485.00 232.00 296.00 544.00 634.00 932.50 1243.50 9779.50
1966 1459.00 1335.50 1078.50 808.50 557.50 398.50 168.00 223.50 419.50 698.00 920.89 b 1327.00 9394.39
1967 1376.40 a 1139.00 1005.00 869.50 676.00 465.50 167.00 256.50 420.00 637.00 897.00 1369.00 9277.90
1968 1296.00 1100.00 1127.50 1003.50 676.50 355.00 253.00 357.00 484.50 674.00 1072.00 1387.50 9786.50
1969 1250.50 1264.00 1339.50 797.00 534.00 473.00 185.50 172.00 429.50 896.50 1042.00 1231.00 9614.50
1970 1381.00 1052.50 1244.00 1054.50 611.00 397.00 221.13 a 173.50 507.00 871.00 1026.00 1360.00 9898.63
1971 1318.50 1203.00 1154.00 867.00 723.50 397.00 220.50 234.00 547.00 809.00 1091.00 1412.50 9977.00
1972 1397.50 1171.00 914.50 814.00 622.00 362.50 202.50 281.50 437.50 709.50 1208.00 1452.00 9572.50
1973 1443.00 1200.50 1240.50 1054.50 656.50 413.50 266.00 276.00 507.50 711.50 1004.50 1323.00 10097.00
1974 1443.50 1274.00 1032.00 936.00 550.50 297.50 223.00 314.50 439.50 695.00 1076.00 1406.50 9688.00
1975 1371.00 1241.50 1202.00 1052.00 755.00 469.00 244.00 335.00 464.00 754.00 1049.00 1237.00 10173.50
1976 1339.00 1131.50 1246.50 864.50 594.00 435.50 210.00 331.00 457.50 793.00 978.50 1223.00 9604.00
1977 1419.00 1100.50 1255.00 789.00 680.50 309.00 233.50 267.00 455.50 669.00 987.50 1225.00 9390.50
1978 1300.00 1199.00 1008.50 834.00 691.00 357.50 187.00 286.00 429.50 616.50 1010.50 1449.50 9369.00
1979 1566.00 1261.50 1186.50 933.00 0.00 z 393.00 211.00 298.00 347.00 630.00 1194.00 1177.00 9197.00
1980 1240.00 1146.00 1284.50 964.50 721.00 349.50 184.50 267.50 406.50 739.50 952.00 957.50 9213.00
1981 1087.50 1039.00 1129.00 704.50 651.00 274.50 215.00 284.50 440.50 792.50 929.50 1205.50 8753.00
1982 1360.50 1147.50 1122.50 907.50 676.50 443.00 278.00 262.50 475.50 846.50 1111.50 1312.50 9944.00
1983 1208.00 1085.50 1099.50 1032.00 729.50 455.00 250.00 233.50 402.50 687.00 1055.00 1321.50 9559.00
1984 1326.00 1155.00 1158.50 994.00 627.00 548.28 a 324.00 394.50 614.50 1016.50 1147.00 1321.50 10626.78
1985 1399.50 1288.00 1125.00 776.50 622.50 309.00 232.50 281.00 580.86 a 750.50 1115.00 1249.00 9729.36
1986 1120.00 1057.50 976.00 840.00 672.50 348.00 283.00 222.00 555.00 773.00 996.00 1230.50 9073.50
1987 1287.00 1087.50 1153.00 761.00 625.50 330.00 270.50 308.50 490.00 664.50 1051.00 1328.50 9357.00
1988 1403.00 1127.00 1170.00 788.00 626.00 298.00 204.50 239.50 469.50 615.00 1099.00 1291.50 9331.00
1989 1396.00 1121.50 950.50 700.00 560.00 372.50 262.50 419.50 468.00 806.50 1014.00 1337.50 9408.50
1990 1412.00 1198.50 1127.50 829.00 720.50 346.00 299.00 0.00 z 594.00 704.50 971.50 1444.00 9646.50
1991 1408.50 1039.50 1210.00 965.00 640.00 408.50 249.50 267.50 442.50 717.50 1080.00 1256.00 9684.50
1992 1266.50 1148.50 1083.00 720.50 612.50 441.00 324.50 310.00 474.50 695.50 1213.50 1412.00 9702.00
1993 1317.00 1183.50 1085.50 898.00 0.00 z 0.00 z 186.50 j 326.00 522.50 780.50 1192.50 1374.50 8680.00
1994 1381.00 1272.50 1047.00 842.00 626.50 315.00 200.00 130.50 j 428.00 822.50 1192.50 1254.50 9381.50
1995 1377.00 965.50 1110.00 958.00 775.00 456.50 287.00 165.50 430.50 0.00 z 920.00 1206.00 8651.00
1996 1379.00 1076.00 1152.50 860.00 527.50 309.00 161.00 226.50 520.00 783.00 1028.50 1375.00 9398.00
1997 1353.67 a 1185.00 1024.50 968.50 598.50 388.50 261.50 277.50 373.50 778.00 1070.50 1340.00 9619.67
1998 1316.50 1231.50 1173.00 985.50 651.00 471.00 139.00 199.50 358.50 767.50 1032.00 1260.50 9585.50
1999 1215.50 1090.00 941.50 988.45 a 709.50 413.00 213.00 266.50 466.00 661.50 821.50 1264.00 9050.45
2000 1273.00 1126.00 1127.00 761.50 532.68 a 191.50 i 164.00 152.50 406.50 729.50 1258.00 1270.50 8801.18
2001 1354.50 1185.50 1104.00 860.36 b 544.00 338.00 145.18 a 268.15 a 0.00 z 0.00 z 0.00 z 0.00 z 5799.69
Period of Record Statistics
MEAN 1342.27 1165.12 1135.59 878.45 638.05 385.67 223.44 266.71 460.08 727.93 1039.92 1291.35 9559.41
S.D. 92.77 92.63 104.24 99.10 64.00 66.08 46.80 57.83 65.60 87.72 98.71 105.08 388.66
SKEW -0.47 0.53 -0.02 0.11 0.05 0.21 0.27 0.27 0.30 0.86 0.20 -0.90 0.43
MAX 1566.00 1411.00 1339.50 1054.50 775.00 548.28 324.50 419.50 614.50 1016.50 1258.00 1452.00 10626.78
MIN 1087.50 965.50 914.50 700.00 527.50 274.50 139.00 152.50 328.50 572.50 821.50 957.50 8753.00
NO YRS 43 43 43 43 41 41 42 41 43 42 43 43 36