DEER PARK AP, WASHINGTON

Monthly Total Heating Degree Days

(452066)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197703
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
1911 0.00 z 0.00 z 0.00 z 0.00 z 205.50 o 173.50 59.50 108.50 336.50 639.00 999.50 1211.00 3527.50
1912 1346.00 1006.50 906.00 567.50 368.50 156.50 108.50 169.00 433.00 746.00 855.00 1134.50 7797.00
1913 1403.00 1340.50 1075.50 591.92 d 129.00 p 182.50 128.00 112.50 343.50 549.50 737.00 1063.00 7526.92
1914 1045.00 1057.00 796.00 551.50 351.00 273.00 52.50 98.00 389.00 576.50 830.00 1366.50 7386.00
1915 1315.50 879.50 725.50 488.50 383.00 247.76 a 86.00 11.00 365.00 555.50 992.00 1231.00 7280.26
1916 1596.00 1019.50 869.50 620.00 545.50 274.00 145.00 96.50 342.93 a 753.50 1080.50 1468.00 8810.93
1917 1382.00 1101.50 1188.33 a 719.00 430.00 290.50 73.00 74.50 238.50 647.50 776.50 1008.00 7929.33
1918 1137.00 1053.00 806.00 585.00 a 459.50 147.00 63.50 f 156.55 a 177.93 a 537.16 b 892.78 c 1155.61 d 7107.53
1919 1157.50 1009.00 882.00 528.89 c 312.00 g 274.62 d 23.50 n 72.50 324.50 811.17 a 771.50 g 1390.00 6450.17
1920 1248.04 d 1006.00 879.50 692.88 d 403.50 197.00 3.21 b 109.02 a 162.50 j 625.50 884.50 1058.59 d 7107.74
1921 1167.00 436.00 o 797.50 613.50 293.50 79.50 31.00 q 84.00 439.00 616.00 416.50 o 0.00 z 4090.00
1922 585.00 s 490.50 q 1050.50 703.00 403.50 69.00 20.00 40.50 206.00 517.50 981.00 1442.50 5433.50
1923 1104.00 1252.50 911.00 571.50 369.00 181.00 19.08 e 59.00 211.00 544.50 882.50 1113.50 7218.58
1924 1395.50 795.50 849.00 614.50 226.00 137.50 70.00 88.50 245.50 594.50 932.00 1337.00 7285.50
1925 1164.00 783.00 776.50 462.00 251.00 146.50 11.00 95.00 235.50 699.50 910.00 928.00 6462.00
1926 1127.50 819.50 714.00 428.50 348.00 162.00 21.50 70.50 415.50 538.50 810.00 1159.00 6614.50
1927 1223.50 919.50 832.50 612.00 444.00 115.00 52.00 61.50 295.00 552.00 859.50 1430.00 7396.50
1928 1179.50 1072.00 765.50 633.50 252.00 180.50 40.00 96.50 257.50 568.00 906.50 1197.00 7148.50
1929 1576.50 1315.50 804.50 671.50 355.00 193.50 72.50 53.50 335.50 572.50 1051.50 1023.00 8025.00
1930 1555.00 852.00 771.00 435.50 382.00 228.00 55.50 42.50 219.00 649.00 950.50 1195.00 7335.00
1931 1051.00 976.50 788.00 545.50 269.91 b 176.00 43.50 57.50 282.50 621.50 1015.00 1213.00 7039.91
1932 1304.00 1155.50 926.50 534.00 370.00 133.50 101.50 98.50 263.50 619.50 797.00 1280.00 7583.50
1933 1189.00 1296.00 889.00 579.50 458.50 169.50 42.50 56.00 349.50 538.37 a 844.00 941.00 7352.87
1934 952.00 779.50 652.50 330.50 271.50 124.00 67.00 33.00 348.00 524.00 703.50 1103.00 5888.50
1935 1190.00 949.00 900.50 661.50 391.50 182.00 90.00 87.32 a 163.00 631.00 1028.50 1107.00 7381.32
1936 1138.50 1476.50 870.00 467.00 220.50 137.50 67.50 131.50 323.50 566.86 c 1084.00 1094.00 7577.36
1937 1942.50 1165.50 873.50 653.00 370.45 a 189.00 47.00 221.50 258.00 535.00 850.00 1073.00 8178.45
1938 1160.00 985.00 911.00 614.00 435.03 a 172.50 63.00 155.50 141.50 546.50 1004.50 1134.50 7323.03
1939 1116.50 1183.00 885.00 532.50 353.00 307.00 99.50 60.00 274.50 641.00 853.00 962.50 7267.50
1940 1171.00 944.50 772.00 538.50 291.00 143.50 54.50 88.50 184.50 514.50 1060.00 1105.50 6868.00
1941 1152.88 b 869.50 714.00 506.90 a 395.00 191.50 28.50 117.50 401.50 665.00 820.00 1050.79 b 6913.07
1942 1356.00 993.00 860.00 557.50 450.00 267.00 61.00 83.00 246.00 585.90 a 1002.00 1143.00 7604.40
1943 1409.50 992.00 1102.50 541.00 513.00 147.50 g 62.00 65.50 163.50 495.50 283.50 t 1141.66 b 6486.16
1944 602.00 o 1029.50 887.08 e 542.68 b 282.00 154.50 42.22 b 76.47 a 43.50 y 239.00 k 916.07 b 952.50 f 3930.52
1945 1137.24 d 893.67 d 889.18 a 686.79 b 327.80 d 192.93 a 24.80 a 34.50 h 355.00 c 518.39 d 951.11 c 1158.88 a 7135.79
1946 1244.02 d 980.52 a 793.27 c 376.00 i 267.50 197.88 d 53.45 b 41.50 i 286.67 c 519.50 h 747.50 g 764.50 j 3823.30
1947 1356.77 a 875.28 c 770.23 e 565.20 e 241.11 d 197.78 c 42.76 b 86.91 c 271.11 c 520.59 b 950.17 a 1106.24 d 6984.15
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 75.50 j 59.50 g 285.52 a 649.21 e 925.56 c 1386.98 b 3247.27
1949 1843.98 a 1179.23 b 902.21 b 494.46 b 242.12 b 170.19 d 31.50 i 36.00 m 189.64 b 710.42 a 750.54 b 1154.23 a 7637.03
1950 1802.50 1050.56 c 977.61 c 678.33 c 341.00 f 170.50 f 50.78 b 26.00 h 222.00 e 455.00 g 588.50 j 754.50 i 4781.78
1951 1019.50 f 685.00 i 814.50 g 468.50 f 261.00 h 132.50 k 33.00 i 56.00 m 209.00 j 461.50 i 578.50 k 1079.50 h 0.00
1952 1330.79 c 1085.27 c 963.14 b 495.60 e 268.50 g 210.00 b 32.50 j 84.00 j 220.20 e 504.55 b 1024.44 c 907.00 f 5833.99
1953 879.22 b 877.33 d 805.00 422.50 h 399.12 c 231.50 f 53.00 g 83.50 f 221.79 b 520.69 d 650.50 f 743.00 h 3703.15
1954 842.50 k 671.00 g 932.38 e 533.00 f 362.46 e 304.20 e 66.02 d 88.50 h 211.50 i 544.00 g 593.50 g 1156.30 a 2821.36
1955 1211.58 a 1131.00 1150.62 a 770.00 c 486.04 c 178.89 c 88.50 f 91.85 d 312.22 c 604.50 b 1147.50 b 1299.79 c 8383.98
1956 1181.10 a 1332.93 b 1022.48 a 525.50 321.76 b 230.00 c 72.13 e 0.00 z 0.00 z 391.50 n 1032.69 d 1103.82 c 6822.42
1957 1639.79 b 1090.44 a 862.83 a 559.14 a 237.27 e 179.42 d 94.07 b 140.61 c 222.00 e 249.50 s 689.00 i 766.00 g 5025.58
1958 1078.05 b 727.39 e 856.52 d 504.00 f 187.15 d 97.50 b 29.93 b 30.50 f 340.71 b 621.72 d 1009.62 d 900.00 f 4948.59
1959 1180.00 1039.77 b 885.64 b 579.83 a 473.94 e 101.50 j 90.62 e 150.23 e 367.80 e 658.15 e 1050.00 a 1116.00 c 7591.98
1960 1368.13 a 987.00 885.64 b 591.00 441.00 111.50 h 15.50 151.12 c 223.33 c 554.26 b 902.14 b 816.50 i 6119.13
1961 1099.50 800.07 a 786.88 a 617.50 360.38 c 47.50 j 11.48 d 8.86 c 350.89 b 664.90 b 1015.50 1223.00 6938.96
1962 1337.00 936.44 a 926.26 b 530.56 c 468.44 d 223.45 a 106.90 b 71.50 h 221.40 e 379.50 j 792.60 e 983.96 d 6527.01
1963 1393.97 a 799.56 a 761.05 a 609.00 e 365.05 b 195.00 d 53.00 j 42.50 h 64.50 i 378.50 i 812.31 d 1175.02 e 6110.95
1964 1144.13 d 1124.02 b 1050.00 654.23 d 339.00 g 130.50 i 10.00 n 88.00 l 351.60 e 556.97 a 939.64 b 1267.50 7088.09
1965 1133.05 a 967.22 e 992.53 b 437.50 g 366.00 f 171.60 e 50.08 e 64.00 h 260.00 i 500.77 e 833.08 d 1107.45 b 5755.77
1966 1181.74 b 928.48 c 565.00 k 640.80 e 326.69 e 247.24 a 39.50 i 45.50 h 94.00 g 485.00 g 851.67 c 792.50 f 4176.62
1967 1001.09 b 645.50 f 703.50 f 560.00 f 293.50 i 25.00 r 33.38 e 17.50 111.50 589.00 b 895.86 a 1183.00 3831.33
1968 1186.50 835.82 a 738.32 a 653.79 a 386.00 171.43 b 58.00 117.00 248.50 683.72 d 906.50 1252.00 7237.58
1969 1472.00 1050.00 c 928.97 a 534.00 268.84 b 98.28 a 71.50 93.55 c 228.21 b 689.00 899.00 1110.83 a 7444.19
1970 1216.75 a 885.11 a 887.63 a 706.55 a 329.50 114.11 b 29.50 41.33 a 383.89 c 496.50 f 920.89 b 1232.25 a 6747.52
1971 1131.00 910.52 a 778.50 f 607.76 a 294.00 203.79 a 92.00 23.50 349.00 687.34 b 901.00 1252.00 6451.92
1972 1346.50 999.00 749.34 b 682.78 c 323.90 b 137.50 i 64.00 g 13.50 l 332.50 g 602.00 825.50 1232.00 6761.02
1973 1220.50 889.50 767.25 a 574.50 296.50 161.50 33.50 62.00 192.00 572.00 952.50 1017.00 6738.75
1974 1267.50 844.50 809.62 a 526.50 425.50 97.50 49.50 h 45.50 i 232.50 b 602.50 856.50 744.00 i 5662.62
1975 1380.57 b 1165.00 762.50 j 774.81 d 464.00 190.20 e 32.50 88.00 g 162.00 p 670.24 b 765.50 i 1088.00 5765.32
1976 1155.27 a 1053.84 a 1017.32 a 582.60 e 340.00 185.50 n 28.50 p 76.31 e 45.50 o 501.50 i 317.00 r 835.00 i 4225.33
1977 543.50 q 726.00 f 324.50 t 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
Period of Record Statistics
MEAN 1269.59 1008.75 873.62 584.84 356.65 183.13 57.76 87.07 279.95 601.09 917.37 1167.29 7312.82
S.D. 205.05 158.30 110.82 84.64 82.17 55.36 31.02 43.81 78.23 71.42 97.14 125.80 552.12
SKEW 1.24 0.68 0.71 -0.17 0.06 0.30 0.57 0.61 0.09 0.68 0.08 0.48 0.12
MAX 1942.50 1476.50 1188.33 774.81 545.50 307.00 145.00 221.50 439.00 811.17 1147.50 1468.00 8810.93
MIN 879.22 727.39 652.50 330.50 187.15 69.00 3.21 8.86 111.50 495.50 703.50 928.00 5888.50
NO YRS 60 59 59 57 56 54 51 47 55 54 55 53 29