MACKAY LOST RIVER RS, IDAHO

Monthly Total Heating Degree Days

(105462)

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
1908 1084.50 i 1160.00 d 1037.98 a 632.00 607.00 445.86 a 26.35 a 154.00 352.00 735.22 a 1027.00 1432.20 a 7609.61
1909 1383.00 1320.00 1115.00 881.90 a 575.71 c 304.50 202.50 96.00 319.00 651.50 1004.00 1610.50 9463.61
1910 1683.00 1423.50 790.50 a 621.00 405.50 148.00 12.50 99.50 275.00 570.50 905.69 a 1316.00 8250.69
1911 1141.50 f 1453.50 1190.00 582.50 g 581.50 203.00 52.50 56.50 322.50 725.50 1152.00 1393.34 c 7130.34
1912 1415.50 1196.00 1162.50 783.00 e 522.50 192.50 97.50 g 123.00 f 483.33 c 800.83 a 1026.00 1457.50 9039.67
1913 1637.50 1406.00 1152.00 674.50 435.50 265.50 119.50 70.00 274.00 703.50 954.50 1412.00 9104.50
1914 1433.00 1291.00 1063.50 633.00 392.00 285.50 39.50 20.50 265.50 593.00 919.00 1631.50 8567.00
1915 1492.00 1112.00 854.00 447.00 495.00 273.00 77.50 13.71 e 327.00 550.00 1032.00 1313.07 c 7986.28
1916 1660.00 1223.00 938.00 576.50 193.00 q 246.50 32.50 60.50 254.00 684.00 1115.00 1538.50 8328.50
1917 1676.50 1263.11 a 0.00 z 889.50 521.00 237.50 2.50 26.50 202.50 522.00 786.50 1045.50 7173.11
1918 1271.00 1258.50 962.00 730.00 465.00 63.00 30.50 112.00 209.50 531.50 1029.50 1336.50 7999.00
1919 1316.00 1230.00 1090.00 593.50 333.50 95.50 0.50 9.00 215.50 822.00 1071.50 1515.50 8292.50
1920 1343.00 1112.50 1106.18 a 809.00 452.50 280.00 15.00 86.00 346.00 835.97 a 1132.20 e 1405.50 8923.85
1921 1387.80 c 1233.04 a 914.00 761.50 437.00 123.50 41.16 b 47.00 398.50 459.00 837.00 1324.50 7964.00
1922 1733.00 1394.00 1333.50 860.50 441.00 96.50 23.77 a 19.00 157.50 525.00 1029.83 a 1524.50 9138.09
1923 1448.00 1373.50 1227.08 a 695.00 456.50 310.50 4.50 33.50 202.50 203.50 u 438.00 q 1521.07 a 7272.15
1924 1568.00 1024.48 c 1137.18 a 648.62 a 253.00 121.00 g 52.00 h 0.00 z 220.50 h 474.50 i 814.50 g 1523.65 a 6154.94
1925 1417.00 1071.00 919.00 595.00 246.50 f 114.00 h 24.00 92.00 297.32 b 641.00 975.54 b 1172.26 d 7204.12
1926 1443.57 a 1071.50 606.00 h 337.00 k 203.00 l 110.69 a 12.73 c 42.50 i 270.00 i 402.00 h 847.20 e 1334.11 c 4819.80
1927 1334.11 c 1149.00 813.00 f 424.00 n 507.33 e 117.69 d 25.46 c 94.07 b 218.00 k 539.29 b 807.32 b 1487.45 c 6061.72
1928 1293.50 1165.00 915.00 747.00 e 211.00 g 140.00 k 42.62 c 99.31 d 170.00 g 591.30 d 575.00 l 1146.50 g 4853.74
1929 1317.50 f 1360.43 e 955.63 e 782.31 d 294.00 j 201.00 e 17.29 e 5.17 d 261.50 h 555.13 d 574.00 m 755.50 j 3876.96
1930 1692.37 d 668.00 h 597.50 j 505.80 e 369.00 f 77.50 u 4.00 f 36.37 e 25.50 y 278.00 o 550.50 n 1124.00 h 2234.54
1931 1038.00 i 1201.67 d 1055.19 e 0.00 z 280.50 g 0.00 z 19.50 25.00 289.66 a 563.50 1162.00 1524.50 5841.01
1932 1648.50 1240.00 f 893.50 f 675.00 322.50 f 218.57 b 41.69 b 82.67 a 206.25 b 635.50 929.00 1244.00 f 4437.18
1933 1491.62 a 1502.85 b 1103.94 d 731.25 b 542.00 96.72 a 5.00 76.98 a 286.07 b 398.98 d 847.00 1168.38 b 8250.80
1934 1241.50 870.00 683.50 361.50 202.50 138.00 k 3.00 l 6.00 293.00 503.00 880.50 1249.50 6291.00
1935 1455.00 1153.50 1108.50 717.00 508.00 135.50 24.00 35.00 145.50 599.00 1222.00 1372.00 8475.00
1936 1525.00 1351.50 826.00 i 621.50 290.50 171.50 11.50 49.00 294.00 545.50 969.50 1316.00 7145.50
1937 1949.50 1390.00 1098.00 806.00 321.00 234.00 18.50 55.50 201.00 510.00 1016.00 1288.50 8888.00
1938 1334.50 1172.00 1077.00 659.50 434.50 131.50 84.50 39.27 a 121.50 576.00 1141.00 1217.00 7988.27
1939 1312.00 1320.50 952.50 561.50 345.50 303.50 33.00 31.00 250.50 577.50 830.00 1133.00 7650.50
1940 1388.00 1132.50 881.00 647.50 304.50 135.00 19.00 20.00 318.00 569.50 1131.50 1243.50 7790.00
1941 1377.50 1112.00 915.00 716.50 433.00 257.00 34.00 132.00 460.50 666.50 919.00 1289.00 8312.00
1942 1511.00 1364.00 1218.50 666.00 606.50 315.00 14.00 71.50 282.00 574.50 1045.50 1411.50 9080.00
1943 1518.50 1251.00 1307.00 539.00 519.50 349.50 55.50 68.00 144.31 a 606.88 e 614.00 k 1250.00 7609.20
1944 1517.00 1258.91 a 1248.00 765.00 460.50 381.50 88.00 82.50 267.00 496.50 1186.00 1466.00 9216.91
1945 1346.00 1162.00 1166.50 822.50 506.00 298.50 24.00 72.50 380.50 544.50 946.50 f 1465.50 7788.50
1946 1474.00 1308.00 1044.00 599.00 476.00 198.50 30.00 62.50 375.50 825.50 1096.00 1271.50 8760.50
1947 1622.00 1101.50 933.50 679.00 306.00 294.00 30.00 101.00 260.50 534.50 1101.00 1301.50 8264.50
1948 1379.00 1155.00 1154.50 743.00 479.50 168.50 68.50 79.50 287.00 367.00 i 720.00 k 1550.00 a 7064.50
1949 1832.50 1363.00 989.00 556.00 328.00 144.50 g 33.50 66.50 193.00 714.11 c 775.96 d 1381.05 a 8232.62
1950 1595.50 1223.50 1162.00 748.00 521.00 241.50 62.00 76.50 354.50 570.50 994.50 1253.00 8802.50
1951 1499.50 1180.15 a 1203.50 634.50 427.50 303.50 51.00 144.50 288.50 730.50 1140.50 1562.00 9165.65
1952 1660.50 1465.50 1319.50 700.00 427.00 211.50 76.00 64.00 194.50 431.50 1142.50 1402.00 9094.50
1953 1192.00 1111.50 965.50 802.00 624.17 e 306.50 11.00 64.50 195.50 542.50 875.00 1340.00 8030.17
1954 1365.50 1008.50 1082.50 637.50 368.50 340.50 34.50 127.00 296.00 675.50 838.50 1434.50 8209.00
1955 1614.00 1346.00 1261.00 840.00 506.00 250.50 94.00 20.00 323.50 622.50 1179.50 1306.50 9363.50
1956 1393.50 1482.00 1138.00 653.00 345.50 i 195.00 43.50 125.07 b 198.75 b 699.50 479.50 p 1366.00 7294.32
1957 1661.17 b 436.50 q 975.00 734.00 448.50 0.00 z 1.50 z 0.00 z 0.00 z 0.00 z 963.00 f 1338.00 5156.67
1958 1432.50 841.00 f 510.00 r 0.00 z 0.00 z 0.00 z 75.00 15.50 289.50 524.50 1015.50 1148.50 4501.00
1959 1336.00 1169.00 1027.00 624.50 471.00 h 135.00 48.00 87.00 362.00 653.00 1030.00 1386.50 7858.00
1960 1576.00 1415.00 1079.50 644.00 518.00 119.00 4.00 123.00 183.50 568.00 1040.00 1341.00 8611.00
1961 1295.50 740.50 g 1013.50 722.00 472.50 59.00 13.50 23.00 0.00 z 0.00 z 1022.00 1483.00 6104.00
1962 1584.50 1149.00 1260.67 a 614.50 518.50 203.00 47.00 105.00 218.00 502.50 911.50 1283.00 8397.17
1963 1589.86 c 897.50 1069.00 769.50 408.00 294.50 35.00 34.00 274.50 145.50 v 1063.50 1437.50 7872.86
1964 1592.48 d 1375.00 1311.50 799.00 622.50 330.56 c 14.50 100.50 282.22 c 357.00 h 1036.50 1521.00 8985.76
1965 1452.50 1183.00 1176.50 673.00 538.00 131.00 h 55.50 0.00 z 0.00 z 0.00 z 494.00 o 1359.00 6437.50
1966 1406.00 1225.50 1050.50 727.50 325.00 146.50 g 40.00 66.50 123.50 676.50 976.50 1543.00 8160.50
1967 1420.50 1158.50 0.00 z 902.50 460.87 a 276.50 4.00 2.50 162.00 654.00 957.22 c 1537.48 e 7536.07
1968 1519.00 1095.00 897.50 783.50 521.00 240.54 b 30.00 207.50 242.31 d 667.00 1061.00 1487.00 8751.34
1969 1441.00 1355.00 1292.50 683.00 348.50 270.00 70.00 21.00 229.50 769.12 b 941.50 1292.50 8713.62
1970 1339.50 958.50 1071.50 906.67 c 389.50 f 208.00 44.00 10.00 415.56 c 669.00 f 1004.50 1562.50 7520.72
1971 1426.00 1168.50 1213.50 762.50 431.00 263.00 53.50 21.00 449.00 732.12 a 736.00 j 1575.50 8095.62
1972 1531.50 1245.00 892.50 749.00 452.00 159.00 66.50 51.50 283.50 f 624.43 c 1080.50 1579.00 8430.93
1973 1564.00 1240.00 1117.00 769.14 a 418.50 204.50 54.50 72.50 317.50 600.33 e 1060.00 1338.50 8756.46
1974 1502.50 1156.00 1019.00 699.00 518.00 80.89 b 22.00 87.00 96.50 n 566.50 973.50 1352.50 7976.89
1975 1508.00 1299.00 1181.50 939.50 594.50 285.00 a 39.00 131.50 238.93 b 707.00 1128.50 1266.00 9318.43
1976 1408.00 1229.50 1137.91 b 734.00 378.00 235.50 20.00 148.50 249.00 616.38 a 920.69 a 1319.00 8396.49
1977 1479.22 a 1029.50 1104.12 a 553.50 580.00 92.00 42.00 74.00 329.50 553.00 982.00 1347.00 8165.83
1978 1335.00 1172.00 992.00 777.50 606.00 199.50 61.50 101.50 318.00 e 501.50 1032.00 387.50 w 7096.50
1979 1760.50 1224.50 1030.00 707.50 382.00 177.00 18.50 116.00 189.00 0.00 z 1143.50 1294.25 e 8042.75
1980 0.00 z 983.50 f 1231.65 e 658.50 361.87 e 301.00 35.00 126.00 f 416.25 b 661.16 b 503.50 n 1240.00 4905.42
1981 1210.79 e 1138.00 926.50 592.00 390.50 169.29 b 35.50 16.03 b 187.76 a 442.00 m 895.56 c 1240.57 d 6802.50
1982 1492.00 1309.00 1079.00 889.00 502.50 256.50 68.50 25.00 313.00 711.00 1204.50 1427.00 9277.00
1983 1333.50 1196.50 994.00 801.72 a 497.00 222.50 125.50 57.50 319.50 659.50 1102.50 1645.00 8954.72
1984 1596.00 1436.00 1111.50 819.00 450.50 341.00 29.00 71.00 439.50 818.00 1170.50 1687.50 9969.50
1985 1566.00 1469.00 1252.50 589.50 414.50 151.50 0.00 z 119.72 b 277.00 k 773.40 b 872.50 i 1695.00 8031.12
1986 0.00 z 996.15 b 811.00 707.50 467.50 110.50 126.00 28.00 474.50 632.00 985.50 1347.50 6686.15
1987 1517.00 1058.50 969.00 512.00 227.00 m 157.78 c 113.50 133.00 237.41 a 285.00 k 703.00 i 1352.50 6050.69
1988 1484.00 1201.00 1043.15 a 623.00 433.48 a 114.50 12.50 j 23.00 280.00 379.50 1104.00 1488.50 8174.13
1989 1594.00 1366.00 1019.00 583.50 454.50 187.00 14.00 135.00 260.00 667.50 953.00 1269.00 8502.50
1990 1311.00 1236.50 891.50 544.50 543.50 252.50 33.00 112.00 145.50 692.50 1024.50 1704.50 8491.50
1991 1530.00 904.00 1066.00 778.00 549.00 253.50 12.50 17.50 231.00 586.50 1128.50 1339.00 8395.50
1992 1346.50 960.50 741.50 522.50 258.50 172.00 103.00 96.00 319.00 549.00 1176.00 1507.50 7752.00
1993 1613.50 1334.50 1118.50 766.00 361.50 357.50 255.00 192.00 322.50 0.00 z 1206.00 1475.50 9002.50
1994 1253.50 1250.50 866.50 651.00 381.00 175.50 38.50 50.50 233.00 746.50 1330.00 1495.50 8472.00
1995 1436.50 1057.00 1072.50 765.50 538.00 327.50 97.50 98.50 289.50 733.50 885.00 1250.50 8551.50
1996 1434.00 1164.00 946.00 701.50 554.00 173.50 26.00 72.00 385.50 667.50 1008.50 1405.00 8537.50
1997 1365.50 1125.00 984.00 793.00 403.00 219.50 104.00 87.00 294.50 730.00 575.00 m 958.00 j 6105.50
1998 945.00 i 1159.50 755.50 i 737.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 418.00 j 728.50 i 1447.00 3344.00
1999 797.00 l 830.00 i 790.50 h 562.00 g 346.50 k 199.50 g 36.00 j 36.50 i 252.00 h 384.00 j 888.60 e 939.00 i 888.60
2000 978.00 i 1121.52 c 758.00 g 375.00 j 306.00 i 104.00 g 26.50 h 0.00 z 0.00 z 468.50 j 983.00 f 1390.19 b 2511.71
2001 1490.30 d 1291.00 884.02 a 761.50 320.16 b 181.55 a 47.50 22.00 189.50 586.42 a 940.50 1626.50 8340.94
2002 1559.50 1401.50 1152.50 669.00 458.50 182.00 1.00 102.00 260.50 701.50 1069.50 1368.50 8926.00
2003 1204.50 1142.50 878.00 742.00 445.50 183.00 8.00 20.00 288.62 a 480.00 1140.52 a 1302.00 d 7834.64
2004 1546.50 1298.27 a 842.50 566.38 a 469.13 a 0.00 z 53.50 110.00 315.00 611.50 1017.00 1302.50 8132.28
2005 1415.50 1167.50 933.50 690.00 477.50 352.50 25.00 50.50 305.50 594.50 1054.50 1522.00 8588.50
2006 1424.50 1368.50 1136.00 659.00 371.00 127.50 5.50 61.50 308.50 685.00 1029.50 1380.00 8556.50
2007 1474.00 1029.50 832.00 639.00 374.00 147.50 0.00 41.50 346.50 718.00 990.00 1471.50 8063.50
2008 1682.50 1303.50 1192.00 887.00 482.50 246.50 2.50 38.00 287.00 669.00 879.50 1478.50 9148.50
2009 1383.00 1236.00 1121.50 723.00 419.50 292.00 0.00 z 97.50 124.50 807.50 1060.50 1531.00 8796.00
2010 1395.00 1266.50 1031.50 745.50 651.00 273.00 63.00 115.00 251.50 549.00 1119.00 1465.50 8925.50
2011 1561.00 1375.50 1147.00 862.00 590.50 333.00 45.50 39.00 186.00 660.50 1162.50 1331.00 9293.50
2012 1336.00 1147.00 889.00 602.00 481.50 233.50 12.00 18.50 194.48 a 666.50 952.00 1366.00 7898.48
2013 1599.50 1179.00 990.50 19.00 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 3769.00
Period of Record Statistics
MEAN 1476.17 1219.32 1052.60 700.05 454.63 220.73 44.12 69.34 276.54 625.32 1022.21 1400.02 8593.12
S.D. 140.44 137.12 138.11 107.17 92.42 81.42 40.80 43.68 81.20 98.90 112.52 131.47 508.16
SKEW 0.47 -0.16 -0.14 -0.21 -0.23 0.12 2.38 0.59 0.35 0.04 -0.03 0.10 0.26
MAX 1949.50 1502.85 1333.50 939.50 651.00 445.86 255.00 207.50 483.33 835.97 1330.00 1704.50 9969.50
MIN 1192.00 870.00 683.50 361.50 202.50 59.00 0.00 2.50 121.50 379.50 775.96 1045.50 7650.50
NO YRS 97 99 95 98 89 90 94 96 90 87 87 98 55