SPICER, COLORADO

Monthly Total Heating Degree Days

(057848)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200301
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 1552.58 a 1387.00 1412.50 870.00 582.28 a 305.50 200.50 214.50 322.50 817.00 1290.00 1450.00 10404.37
1949 1756.50 1366.50 1123.50 816.00 615.50 368.00 165.00 225.50 309.00 i 893.00 865.00 1433.50 9628.00
1950 1486.00 1178.00 1238.00 893.00 710.00 386.50 291.50 345.50 450.50 493.50 1156.50 1197.50 9826.50
1951 1471.43 b 1001.50 g 1287.00 918.50 561.00 543.50 144.00 236.00 437.50 754.00 1231.50 1482.00 9066.43
1952 1524.00 1399.50 1413.60 a 907.00 571.50 273.00 e 155.50 282.50 373.50 g 727.50 666.50 j 520.50 v 7254.10
1953 1218.50 1404.87 e 796.00 h 1010.50 603.00 291.00 112.50 284.50 372.50 684.50 1023.50 1462.50 8467.87
1954 1268.00 1052.50 1244.50 720.00 561.00 373.50 81.00 260.00 342.00 756.73 c 1010.00 1431.96 e 9101.19
1955 1469.00 0.00 z 1275.65 a 972.50 0.00 z 0.00 z 189.62 a 244.50 444.00 754.16 b 1211.00 1236.00 7796.42
1956 1296.00 1539.50 1289.50 930.00 522.00 221.00 225.00 313.88 c 385.50 722.00 1271.50 1339.20 a 10055.08
1957 1475.00 1115.50 1217.50 996.50 655.00 453.00 158.50 236.00 487.00 0.00 z 0.00 z 0.00 z 6794.00
1958 1516.00 1075.00 1277.20 a 1014.50 490.50 308.50 0.00 z 0.00 z 475.80 e 843.50 0.00 z 0.00 z 7001.00
1959 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
1960 0.00 z 0.00 z 0.00 z 0.00 z 629.76 d 369.50 258.50 243.87 a 364.00 797.98 b 1111.03 a 1546.50 5321.14
1961 1550.00 1301.50 1250.50 1023.50 627.00 340.00 238.00 227.69 b 662.00 828.22 a 1256.54 d 1546.26 b 10851.20
1962 1684.50 1173.00 1388.80 a 834.00 620.00 a 401.38 a 265.05 a 280.03 a 453.10 a 734.18 a 1025.50 1385.50 10245.05
1963 1656.95 a 1176.50 1285.00 882.00 566.50 384.31 a 182.50 245.50 364.00 603.00 986.00 1416.18 a 9748.44
1964 1570.67 a 1574.50 1442.02 a 1004.48 a 644.00 412.50 176.50 351.50 542.50 819.36 b 1183.50 1486.50 11208.03
1965 1374.33 a 1351.50 1567.00 897.50 685.10 a 428.79 a 241.28 a 346.17 a 631.50 698.50 999.50 1327.83 a 10549.01
1966 1565.50 1418.50 1167.15 a 902.00 598.50 384.00 134.00 288.50 436.03 a 841.00 1004.00 1507.00 10246.18
1967 1393.50 1307.50 1097.00 905.50 724.37 a 457.50 231.00 304.00 478.50 744.52 a 1118.04 b 1573.00 10334.42
1968 1465.00 1280.00 1256.50 1067.00 763.00 367.76 a 244.00 344.00 572.07 a 788.36 b 1303.45 a 1456.50 10907.64
1969 1292.00 1274.00 b 1520.66 c 812.07 a 542.00 503.50 200.47 a 204.00 407.68 b 1053.50 1202.50 1423.93 a 10436.31
1970 1459.07 a 1198.81 a 1318.53 a 1084.14 a 673.50 444.31 a 246.00 207.50 541.11 c 1006.43 b 1138.45 a 1394.50 10712.35
1971 1387.00 1352.81 a 1262.50 922.24 a 735.00 390.50 277.00 254.50 607.76 a 825.50 1160.36 b 1522.50 10697.67
1972 1467.50 1226.00 993.07 b 863.28 a 698.53 a 352.76 a 272.80 a 294.00 465.50 757.95 a 1315.56 c 1509.18 a 10216.13
1973 1588.00 1395.50 1312.33 a 1079.50 704.00 407.59 a 279.00 a 243.87 a 483.50 759.50 a 1093.00 1462.88 b 10808.66
1974 1552.58 a 1328.44 a 1037.50 972.93 a 563.54 c 351.00 219.50 367.00 571.61 b 761.64 b 1175.36 b 1548.00 10449.10
1975 1517.97 a 1339.50 1252.40 a 1085.00 734.00 462.00 271.00 356.00 563.00 815.82 a 1228.45 a 1144.00 f 9625.13
1976 1524.68 a 1177.50 1352.50 898.00 679.42 a 446.90 a 226.50 344.00 533.04 b 948.00 1235.00 1450.50 10816.03
1977 1488.50 1254.81 a 1367.50 857.50 630.00 297.00 215.50 330.31 b 508.50 850.43 a 1157.59 a 1329.00 10286.64
1978 1409.50 1239.00 1096.50 869.50 729.50 426.50 284.50 371.50 564.00 861.00 1234.14 a 1715.50 10801.14
1979 1798.50 1318.50 1305.00 1010.00 766.50 455.00 276.50 334.50 447.50 798.50 1496.38 a 1417.50 11424.38
1980 1461.50 1253.50 1360.00 1069.00 701.00 364.00 194.00 312.00 482.68 b 895.50 1126.03 a 1097.40 a 10316.61
1981 1316.50 1190.52 a 1184.20 a 769.50 722.50 335.50 244.38 a 322.00 359.00 863.00 1050.52 a 1360.26 b 9717.88
1982 1456.50 1332.50 1195.00 1020.00 720.00 468.50 267.50 198.50 473.00 889.00 1256.00 1448.00 10724.50
1983 1337.50 1197.50 1174.50 1139.50 793.00 442.50 204.00 152.00 409.50 755.00 1130.00 1510.45 b 10245.45
1984 1596.00 1350.50 1257.00 1091.00 607.50 431.50 172.50 239.45 b 454.00 953.00 1155.00 1388.50 10695.95
1985 1607.50 1399.00 1198.50 839.48 a 603.47 a 384.50 198.50 288.50 561.00 827.50 1229.00 1404.50 10541.45
1986 1301.50 1178.00 1043.50 848.28 a 680.00 318.50 256.00 256.00 540.50 859.50 1157.00 1462.50 9901.28
1987 1485.00 1202.50 1280.00 815.00 595.00 378.50 242.50 321.50 533.00 744.00 1203.00 1491.50 10291.50
1988 1568.50 1344.50 1348.00 881.00 639.50 240.00 196.50 246.00 517.00 678.00 1187.50 1512.50 10359.00
1989 1510.50 1393.50 1040.50 777.00 592.50 443.00 198.00 319.00 490.00 802.50 1063.85 d 1482.50 10112.85
1990 1391.00 1300.50 1119.50 791.50 671.00 319.50 264.00 294.50 373.50 773.00 1086.00 1565.00 9949.00
1991 1523.50 1147.00 1213.00 990.00 600.50 367.50 260.50 213.00 470.00 786.50 1245.00 1469.50 10286.00
1992 1491.00 1246.50 1090.00 712.00 555.00 418.00 313.50 311.50 435.00 724.00 1367.50 1486.00 10150.00
1993 1425.50 1328.50 1212.00 962.50 614.50 430.50 336.50 329.00 517.50 880.50 1303.50 1433.00 10773.50
1994 1424.00 1264.00 1130.50 839.50 567.00 283.00 207.00 184.50 432.00 828.00 1188.50 1338.00 9686.00
1995 1434.00 1065.50 1104.00 935.50 751.00 456.00 286.00 179.00 471.00 809.00 1005.50 1383.50 9880.00
1996 1499.50 1261.00 1247.50 894.50 572.00 373.00 205.50 269.00 505.50 836.00 1082.00 1378.50 10124.00
1997 1475.00 1389.50 1084.00 1052.50 625.50 345.50 256.50 240.00 382.50 820.00 1187.50 1495.50 10354.00
1998 1370.00 1268.00 1266.50 963.00 598.50 474.50 152.00 253.00 336.00 779.00 1009.50 1404.00 9874.00
1999 1354.00 1152.50 1042.00 948.50 687.00 416.00 175.00 246.50 551.00 698.00 917.07 a 1454.93 a 9642.50
2000 1365.00 1183.50 1192.00 779.00 513.50 313.97 a 99.72 a 116.77 a 379.00 736.77 a 1386.50 1477.00 9542.71
2001 1580.48 a 1237.00 1133.80 d 795.00 a 561.62 a 286.67 c 86.91 c 138.43 b 354.81 d 711.28 d 1027.78 c 1442.61 c 9356.38
2002 624.50 r 1376.50 1328.00 732.50 578.50 221.00 53.50 172.00 385.50 847.50 1304.50 1404.00 8403.50
2003 1221.00 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 1221.00
Period of Record Statistics
MEAN 1471.20 1279.77 1236.45 918.20 636.53 379.58 213.83 267.61 467.83 796.90 1159.84 1438.82 10287.50
S.D. 121.48 111.18 125.04 105.90 72.63 71.24 61.42 61.38 80.93 92.49 124.70 98.72 481.84
SKEW 0.19 0.18 0.27 0.06 0.22 -0.25 -0.57 -0.32 0.18 -0.13 0.05 -0.77 -0.12
MAX 1798.50 1574.50 1567.00 1139.50 793.00 543.50 336.50 371.50 662.00 1053.50 1496.38 1715.50 11424.38
MIN 1218.50 1052.50 993.07 712.00 490.50 221.00 53.50 116.77 322.50 493.50 865.00 1097.40 9101.19
NO YRS 53 51 52 53 53 53 53 53 52 53 51 50 44