ENTIAT FISH HATCHERY, WASHINGTON

Monthly Total Heating Degree Days

(452563)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1989 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.00 19.50 63.50 475.00 718.50 997.50 2303.00
1990 934.50 983.50 644.50 330.50 291.50 128.50 13.50 19.50 17.00 544.00 711.00 1333.50 5951.50
1991 1235.50 705.00 761.50 449.50 306.00 154.50 5.50 0.00 w 62.22 c 483.00 859.50 963.00 5985.22
1992 1007.50 747.00 514.50 405.50 182.00 40.00 18.50 35.00 189.00 437.00 819.00 1290.50 5685.50
1993 1408.00 1007.50 805.50 526.50 148.50 128.50 57.00 34.00 132.50 354.50 955.00 1076.50 6634.00
1994 1003.00 926.50 629.00 359.50 234.50 130.00 20.50 34.50 59.00 454.00 959.00 1133.50 5943.00
1995 1155.50 819.50 739.00 481.00 192.50 97.00 12.50 92.00 73.00 503.50 793.00 1089.00 6047.50
1996 1269.50 1031.00 762.50 467.00 386.00 0.00 z 33.00 26.50 187.00 541.00 918.00 1358.00 6979.50
1997 1254.50 955.50 790.00 526.00 217.00 139.00 25.00 11.00 123.50 516.50 779.50 1034.00 6371.50
1998 1168.50 766.50 654.00 0.00 z 208.00 65.00 0.00 a 14.00 34.00 461.50 726.00 1122.50 5220.00
1999 1002.50 834.00 748.50 510.50 378.00 177.50 63.00 21.50 151.00 495.50 696.50 944.00 6022.50
2000 1148.50 928.00 717.00 391.50 290.00 114.50 36.50 30.50 195.00 486.00 964.50 1157.50 6459.50
2001 1057.50 957.00 702.50 508.50 279.50 167.00 22.00 15.00 77.00 501.50 761.00 1064.00 6112.50
2002 1026.00 847.50 854.50 501.00 326.50 95.50 41.50 28.00 134.00 510.50 800.50 984.00 6149.50
2003 1013.50 821.00 661.00 487.50 321.50 63.00 13.00 1.50 105.50 366.50 952.50 1141.00 5947.50
2004 1167.00 915.50 613.00 377.50 253.00 91.00 14.00 18.50 153.50 430.50 812.50 1001.00 5847.00
2005 1168.50 799.00 622.00 0.00 z 216.50 132.50 15.00 15.50 140.50 424.50 891.00 1237.50 5662.50
2006 1036.00 900.00 764.00 453.50 291.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3445.00
Period of Record Statistics
MEAN 1120.94 879.06 704.88 451.70 266.03 114.90 24.68 26.03 111.60 469.71 830.41 1113.35 6097.62
S.D. 125.35 95.39 86.05 63.84 67.54 39.42 17.10 19.93 55.38 53.99 94.51 128.22 270.56
SKEW 0.56 -0.15 -0.35 -0.53 0.12 -0.28 0.87 2.31 -0.05 -0.73 0.15 0.58 0.60
MAX 1408.00 1031.00 854.50 526.50 386.00 177.50 63.00 92.00 195.00 544.00 964.50 1358.00 6634.00
MIN 934.50 705.00 514.50 330.50 148.50 40.00 0.00 1.50 17.00 354.50 696.50 944.00 5685.50
NO YRS 17 17 17 15 17 15 17 16 17 17 17 17 12