CHESAW, WASHINGTON

Monthly Total Heating Degree Days

(451381)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195810
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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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 877.00 0.00 z 877.00
1927 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
1928 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
1929 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
1930 0.00 z 0.00 z 879.50 519.00 478.50 302.50 100.00 65.00 274.00 724.50 1138.00 1350.00 5831.00
1931 1222.50 0.00 z 913.00 625.00 351.50 228.00 59.50 76.00 364.50 647.50 1151.00 1341.50 6980.00
1932 1483.50 1221.50 1034.50 632.00 455.70 a 168.50 149.50 102.50 286.50 665.00 960.00 1417.00 8576.20
1933 1320.50 1294.00 1038.00 693.50 563.00 269.50 100.50 75.00 442.00 686.28 b 986.50 1159.50 8628.28
1934 1210.00 983.50 795.00 426.00 357.50 177.00 88.50 55.80 a 420.00 615.00 859.50 1300.00 7287.80
1935 1442.00 1036.00 1106.50 776.50 469.50 258.00 138.98 a 147.77 a 230.00 726.50 1171.50 1311.50 8814.75
1936 1319.50 1676.00 1075.00 597.50 289.50 207.50 76.00 71.50 337.00 540.00 1084.50 1242.00 8516.00
1937 1867.00 1250.50 925.50 716.00 433.00 218.00 49.00 179.00 258.00 263.50 p 0.00 z 0.00 z 5896.00
1938 671.00 o 1090.00 984.50 627.00 389.00 142.50 40.82 a 118.00 131.50 596.00 1122.00 1371.50 6612.82
1939 1250.00 1258.00 977.50 551.00 367.50 340.50 103.50 56.00 237.00 661.50 961.00 1097.50 7861.00
1940 1318.00 1085.50 863.50 598.00 347.00 164.50 38.50 71.00 148.00 602.00 1214.00 1257.50 7707.50
1941 1261.00 1041.00 771.00 522.41 a 451.50 253.97 a 45.00 149.00 466.50 678.00 928.00 1242.50 7809.88
1942 1479.00 1080.00 1021.00 605.00 505.50 316.03 a 87.00 98.50 243.62 a 602.50 1134.00 1331.50 8503.66
1943 1746.50 1058.50 1129.95 a 587.00 546.24 b 322.00 82.50 127.50 238.50 621.50 1002.00 1371.50 8833.69
1944 1440.00 1192.00 1066.00 633.50 441.23 a 220.50 97.65 a 134.50 249.83 a 521.83 a 1065.50 1489.50 8552.04
1945 1326.00 1082.50 1074.50 773.00 423.50 290.00 82.00 73.00 400.00 678.38 a 1142.59 a 1313.00 8658.47
1946 1361.50 1124.50 985.00 653.50 362.00 339.00 128.13 a 107.50 369.31 a 812.95 b 1208.00 1378.50 8829.89
1947 1504.00 1028.50 858.50 621.00 342.00 333.00 131.50 198.00 315.50 695.00 1082.00 1252.50 8361.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 151.50 188.50 237.00 396.21 a 759.50 a 1062.00 1591.50 4386.21
1949 1751.50 1301.00 979.00 609.50 341.50 300.50 157.00 163.50 304.00 827.38 b 889.66 a 1384.00 9008.54
1950 2003.00 1132.00 1088.50 807.00 551.50 259.50 114.18 a 97.00 285.50 780.00 1106.00 1193.00 9417.18
1951 1456.50 1170.50 1169.50 703.45 a 455.00 313.00 112.00 183.50 346.50 755.50 1094.00 1664.18 a 9423.63
1952 1484.12 c 1191.00 1068.00 641.50 451.50 299.50 126.50 155.50 220.00 549.00 1134.11 b 1221.00 8541.73
1953 1127.50 1072.00 943.50 727.50 494.00 335.50 119.50 149.00 372.50 630.00 951.50 1270.50 8193.00
1954 1530.50 979.00 1095.50 795.50 398.50 345.50 143.12 a 196.00 387.50 747.00 816.00 1251.50 8685.62
1955 1323.50 1190.00 a 1251.88 a 820.00 568.00 257.00 162.50 129.50 352.50 704.50 1317.00 1612.55 c 9688.94
1956 1368.81 b 1413.19 c 725.50 m 0.00 z 0.00 z 305.69 a 64.00 g 93.00 f 239.50 f 676.04 e 1157.40 e 644.00 p 4921.13
1957 1338.00 h 757.00 l 663.50 i 427.50 j 169.00 j 186.00 98.00 h 159.50 i 167.50 i 0.00 z 0.00 z 606.50 o 186.00
1958 1169.50 868.50 929.48 a 697.24 a 237.31 b 152.50 42.00 34.50 387.32 b 276.00 o 0.00 z 0.00 z 4518.36
Period of Record Statistics
MEAN 1430.64 1152.77 1000.92 652.25 425.81 257.14 102.37 120.41 313.47 673.21 1059.81 1336.61 8566.63
S.D. 216.67 162.03 115.05 96.38 85.46 66.24 40.82 51.87 85.88 80.60 123.10 137.34 582.01
SKEW 1.06 1.29 -0.08 -0.09 -0.12 -0.33 0.08 0.35 -0.26 0.01 -0.22 0.81 -0.20
MAX 2003.00 1676.00 1251.88 820.00 568.00 345.50 188.50 237.00 466.50 827.38 1317.00 1664.18 9688.94
MIN 1127.50 868.50 771.00 426.00 237.31 142.50 38.50 34.50 131.50 521.83 816.00 1097.50 7287.80
NO YRS 25 25 26 26 26 29 27 27 27 26 27 25 21