BROWNLEE DAM, IDAHO

Monthly Total Growing Degree Days

(101180)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201211
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
1966 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 527.50 m 1220.00 1214.00 992.00 468.50 217.50 33.00 4145.00
1967 24.50 23.50 124.50 230.00 620.50 870.50 1303.50 1347.50 1028.50 449.50 e 153.00 12.50 6188.00
1968 0.00 78.00 260.00 299.50 646.00 903.50 1293.00 1003.00 799.00 433.50 87.50 26.00 5829.00
1969 6.50 0.00 134.00 416.50 788.00 697.50 g 1175.50 1206.00 882.50 341.50 160.50 35.00 5146.00
1970 25.00 70.00 120.00 232.50 629.50 957.00 1231.00 1285.50 667.00 380.00 128.50 5.00 5731.00
1971 10.00 35.50 93.50 341.50 699.50 763.00 1214.00 1364.50 712.50 403.50 52.50 11.50 5701.50
1972 17.50 42.50 217.00 288.50 713.00 930.00 1173.50 1241.00 713.50 502.00 110.00 6.00 5954.50
1973 2.50 29.00 171.50 380.50 722.00 909.50 1264.50 1183.50 801.50 424.50 110.00 19.50 6018.50
1974 42.00 12.50 148.00 318.00 571.50 1041.72 a 1154.50 1141.50 913.50 489.50 127.50 19.50 5979.72
1975 0.00 10.50 57.50 165.50 500.50 779.00 1281.85 a 1002.50 870.00 413.00 95.50 9.50 5185.35
1976 0.00 21.50 53.00 263.00 688.50 725.00 1132.00 933.62 a 817.00 454.00 170.50 0.00 5258.12
1977 0.00 18.00 51.00 460.00 467.50 1015.00 1114.00 1186.50 702.50 424.00 71.50 16.50 5526.50
1978 4.50 18.50 263.50 287.00 495.50 839.00 1106.50 1039.50 684.50 480.50 48.00 0.00 5267.00
1979 0.00 2.00 158.00 283.50 429.50 i 905.69 a 1193.50 1138.50 921.00 528.00 45.50 1.00 5176.69
1980 10.50 34.00 144.00 525.00 677.00 779.50 1156.00 1040.50 809.00 476.50 136.50 34.00 5822.50
1981 9.00 12.50 q 128.00 331.00 k 546.00 801.72 a 1149.50 1312.50 873.00 371.50 200.00 51.50 5442.72
1982 0.00 6.50 111.00 260.50 604.00 921.50 1103.50 1187.50 743.00 386.50 39.00 5.00 5368.00
1983 3.50 65.00 199.00 309.00 489.50 l 819.00 1036.00 1202.50 684.00 469.50 154.50 3.00 4945.00
1984 0.00 0.00 136.50 316.50 566.00 776.00 1222.00 1248.00 750.00 378.50 88.00 0.00 5481.50
1985 0.00 a 0.00 a 68.00 521.00 732.00 954.83 a 1374.00 1063.00 628.00 361.50 45.50 2.00 5749.83
1986 0.00 71.50 322.00 378.50 656.50 1074.50 1051.00 1290.50 663.00 504.50 98.50 0.50 6111.00
1987 0.00 12.00 192.50 593.79 a 832.50 985.50 1085.50 1059.00 835.00 465.50 84.50 46.00 6191.79
1988 2.50 55.50 210.50 485.00 707.66 b 1013.00 1230.38 b 1215.00 843.50 749.50 141.00 9.00 6662.53
1989 0.00 0.00 160.50 519.50 656.50 976.00 1253.50 1039.50 830.00 459.00 143.00 8.00 6045.50
1990 33.00 13.00 231.50 581.50 604.50 878.00 1278.50 1187.00 1054.50 418.50 112.50 1.50 6394.00
1991 0.00 68.50 150.50 343.50 554.00 785.00 1249.50 1290.00 940.00 552.50 67.50 0.00 6001.00
1992 4.50 120.00 382.50 522.50 882.00 1034.00 1110.00 1216.50 822.50 597.50 78.50 2.50 6773.00
1993 3.00 4.50 147.00 362.50 823.50 776.50 882.00 1027.50 843.50 551.00 54.50 15.00 5490.50
1994 2.00 13.00 251.50 480.50 735.50 897.50 1286.00 1281.50 958.50 488.00 28.50 0.00 6422.50
1995 32.50 122.50 156.00 337.50 665.00 810.50 1132.00 1049.50 929.50 365.50 83.00 m 41.50 m 5600.50
1996 0.50 j 35.00 r 67.50 v 114.50 v 97.00 z 0.00 z 0.00 z 424.50 t 0.00 z 179.50 m 136.03 a 0.00 z 136.03
1997 23.77 a 29.00 220.00 353.00 781.00 901.00 1096.00 1205.50 901.50 449.50 130.50 3.00 6093.77
1998 11.50 35.00 202.69 e 372.50 596.00 787.00 1333.00 1272.50 1006.50 457.00 163.50 25.00 6262.19
1999 3.50 12.00 165.50 333.00 593.50 838.97 a 1157.00 1229.67 a 856.50 529.00 218.00 24.50 5961.13
2000 5.00 52.50 158.00 510.00 712.50 950.17 a 951.00 i 1274.74 b 785.50 481.50 41.00 0.00 4970.91
2001 0.00 3.00 225.00 320.50 748.00 859.50 1187.30 a 1304.50 952.50 514.50 213.50 5.00 6333.30
2002 8.00 7.00 118.00 424.00 648.50 951.00 1324.50 1119.74 b 902.50 438.50 145.50 57.00 6144.24
2003 33.50 52.50 275.00 371.50 656.50 980.00 1369.50 1285.00 927.00 642.50 80.50 49.00 6722.50
2004 5.00 18.50 312.50 495.50 643.00 947.00 1281.00 1206.42 a 803.50 530.00 128.50 41.50 6412.42
2005 9.00 26.00 228.50 366.00 673.00 798.00 1247.50 1247.50 817.00 493.50 70.50 8.50 5985.00
2006 10.00 29.00 150.00 426.50 778.00 1004.00 1406.50 1188.50 893.50 517.18 a 0.00 z 17.00 6420.18
2007 4.00 45.50 320.00 447.50 753.00 952.50 1420.46 c 1188.00 870.50 404.50 129.00 23.50 6558.46
2008 6.50 12.00 85.00 270.50 666.00 870.50 1238.50 1179.00 827.00 443.50 182.50 25.83 a 5806.83
2009 5.00 23.50 114.50 387.50 706.50 873.00 1254.00 1182.50 990.00 317.50 93.50 0.00 5947.50
2010 13.00 33.00 187.50 320.50 483.50 786.50 1143.50 1128.50 847.00 571.50 162.50 6.50 5683.50
2011 0.00 a 25.41 a 0.00 z 273.62 a 535.00 774.50 1132.53 a 1266.00 1026.00 505.30 a 86.00 11.00 5635.36
2012 3.00 j 27.00 227.00 500.50 657.56 e 837.00 1305.00 1233.50 882.00 457.00 205.56 c 0.00 z 6332.11
Period of Record Statistics
MEAN 8.43 31.33 177.99 378.99 660.84 887.10 1207.85 1184.97 847.84 468.26 116.37 15.23 5973.99
S.D. 10.90 29.23 76.31 102.50 96.34 90.19 105.70 101.22 105.59 79.77 52.50 15.97 413.32
SKEW 1.56 1.44 0.53 0.28 -0.01 0.16 -0.36 -0.56 -0.13 0.94 0.25 1.06 -0.02
MAX 42.00 122.50 382.50 593.79 882.00 1074.50 1420.46 1364.50 1054.50 749.50 218.00 57.00 6773.00
MIN 0.00 0.00 51.00 165.50 467.50 725.00 882.00 933.62 628.00 317.50 28.50 0.00 5185.35
NO YRS 44 44 44 44 43 44 45 46 46 46 45 44 36