TULELAKE, CALIFORNIA

Monthly Total Heating Degree Days

(049053)

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
1932 1178.00 d 1140.50 738.50 688.50 454.50 190.50 133.00 189.50 229.00 595.00 759.00 1300.00 7596.00
1933 1277.00 1183.50 858.50 637.00 623.00 241.50 50.00 134.00 378.00 473.50 824.00 942.50 7622.50
1934 934.50 753.00 596.00 465.50 330.00 279.50 104.50 73.00 298.50 532.88 b 741.50 981.50 6090.38
1935 1172.50 830.00 941.50 647.50 433.50 202.50 115.73 a 87.50 208.50 622.14 b 928.00 1031.50 7220.87
1936 981.50 851.50 797.00 539.00 374.50 199.50 46.50 67.50 286.50 469.00 863.50 1099.50 6575.50
1937 1605.80 a 1024.00 804.50 687.00 349.50 213.50 26.50 118.00 240.00 479.00 764.50 925.50 7237.80
1938 945.00 992.50 921.50 606.00 434.00 130.50 40.00 106.00 192.00 545.50 915.50 1015.00 6843.50
1939 1092.50 976.00 733.00 467.50 356.00 235.50 61.50 53.50 267.69 d 515.00 749.00 860.25 a 6367.44
1940 892.50 790.00 704.50 554.00 309.50 102.50 73.00 41.50 306.50 527.00 875.50 976.50 6153.00
1941 945.50 748.00 750.00 648.50 390.60 a 281.00 36.00 139.00 397.00 610.00 723.50 1009.50 6678.60
1942 1195.50 909.50 870.00 641.00 538.50 275.50 48.50 88.00 273.50 517.50 811.50 970.50 7139.50
1943 1132.00 917.00 751.00 472.50 367.50 348.00 32.00 67.50 56.00 517.50 761.00 996.50 6418.50
1944 884.50 f 892.50 812.00 640.00 359.50 265.50 21.50 57.50 182.50 388.00 954.50 1014.50 5588.00
1945 1007.50 799.00 851.00 595.00 386.00 196.50 1.50 35.00 231.50 397.00 833.00 1033.00 6366.00
1946 1141.50 943.50 774.00 502.50 299.00 214.50 40.50 24.50 241.00 663.00 838.97 a 962.00 6644.97
1947 1157.50 689.00 676.50 481.50 197.00 259.00 75.50 95.50 187.00 487.50 842.00 964.50 6112.50
1948 941.50 936.00 905.00 752.00 485.00 152.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4172.00
1949 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
1950 0.00 z 612.50 f 853.50 647.00 414.00 248.50 34.62 a 66.00 263.89 c 512.03 b 720.56 c 651.50 g 3760.10
1951 1042.50 883.00 903.50 499.00 408.00 153.50 42.00 109.50 187.00 610.70 a 815.00 1256.50 6910.20
1952 1238.50 964.00 933.00 536.00 356.50 a 286.00 33.38 e 103.33 a 171.00 435.00 968.00 938.50 f 6024.72
1953 911.50 820.50 879.88 a 690.00 612.50 382.00 49.00 144.50 180.50 585.50 748.00 989.00 6992.88
1954 1067.50 775.50 933.00 604.50 326.50 310.00 77.50 263.50 403.50 678.00 797.50 1099.00 7336.00
1955 1246.72 a 999.38 b 869.00 785.50 461.50 210.00 159.50 90.50 338.79 a 537.00 915.00 777.00 f 6612.89
1956 999.50 1121.00 869.50 556.50 394.00 260.00 80.00 152.00 270.00 712.00 856.00 1103.50 7374.00
1957 1271.00 818.00 791.50 630.50 393.50 136.00 75.50 144.50 150.00 622.50 871.50 965.50 6870.00
1958 985.00 698.00 918.00 667.00 241.00 192.00 32.00 14.00 240.00 410.00 744.00 836.00 5977.00
1959 936.00 917.00 800.00 513.50 509.50 165.00 46.50 86.59 b 302.50 459.32 a 806.00 1164.00 6705.90
1960 1109.50 907.50 742.50 644.50 473.27 a 93.50 12.50 139.00 157.50 520.50 876.92 d 1002.00 6679.19
1961 945.50 808.08 c 823.00 617.00 467.58 a 129.00 41.69 b 28.33 b 309.64 b 527.00 881.38 a 1058.50 6636.70
1962 1327.00 977.93 a 874.72 a 519.00 509.50 207.50 92.00 108.00 161.38 a 515.78 b 392.00 l 679.00 i 5292.80
1963 1121.00 632.50 835.85 d 780.50 355.00 264.00 148.28 a 134.33 a 157.50 476.37 a 787.76 a 988.00 6681.09
1964 1132.50 1138.00 920.00 692.50 482.50 272.59 a 75.00 116.00 309.50 435.50 882.41 a 969.55 b 7426.05
1965 1099.00 794.23 b 794.50 566.50 455.00 196.00 53.73 a 117.50 329.50 441.75 a 828.50 1165.08 a 6841.30
1966 812.50 g 0.00 z 539.50 h 528.10 a 274.35 a 257.68 b 118.00 68.50 172.00 494.40 b 684.50 f 953.00 2866.03
1967 997.50 771.08 b 915.50 867.50 389.00 202.00 17.00 2.67 b 116.00 535.27 a 745.50 1287.03 b 6846.05
1968 1107.00 711.50 738.12 b 623.00 414.37 a 160.50 19.00 149.00 220.00 503.50 802.76 a 1124.50 6573.25
1969 1126.50 910.50 831.50 640.00 248.00 166.00 46.00 82.50 176.50 633.00 778.45 a 952.00 6590.95
1970 958.50 727.00 817.50 767.00 353.92 a 150.00 16.02 a 41.00 307.00 556.40 b 727.00 1149.50 6570.83
1971 1012.00 850.50 921.96 d 681.00 431.50 226.03 a 81.78 b 34.00 326.90 a 672.81 d 812.00 1275.81 b 7326.30
1972 1266.41 d 842.50 653.07 a 673.97 a 357.50 116.00 32.00 81.00 321.50 540.36 b 867.00 1241.60 b 6992.91
1973 1112.00 763.50 0.00 z 589.66 a 252.13 a 154.50 48.50 96.50 224.00 0.00 z 845.00 0.00 z 4085.79
1974 1122.00 873.04 c 806.52 a 678.62 a 436.58 a 105.00 84.22 a 76.50 126.50 506.00 769.50 1023.57 d 6608.05
1975 968.50 g 890.17 d 862.00 803.50 400.00 220.18 b 57.50 141.00 129.00 589.00 874.50 993.15 d 5959.99
1976 735.00 g 701.00 f 917.82 c 697.50 349.27 a 266.00 46.00 179.50 190.00 493.93 a 716.38 a 868.00 f 3856.40
1977 1100.00 i 717.50 f 952.96 d 537.00 606.00 84.00 63.00 63.50 263.00 498.50 796.55 a 956.98 d 4821.50
1978 853.57 b 773.63 a 616.90 a 648.89 c 437.10 a 165.00 58.00 146.00 327.86 b 427.50 917.50 1200.50 6572.44
1979 1094.62 b 836.00 696.50 636.50 327.00 170.50 64.00 103.50 138.00 404.50 917.00 945.00 6333.12
1980 963.00 723.50 853.00 546.00 433.50 295.50 58.00 94.00 196.50 450.50 780.50 1003.50 6397.50
1981 893.50 786.50 768.50 541.50 388.50 175.00 63.00 42.50 207.50 571.00 711.00 876.00 6024.50
1982 1136.00 837.50 878.50 751.00 385.00 189.50 99.00 80.50 322.00 590.00 926.00 1124.50 7319.50
1983 1008.50 765.00 802.00 751.50 387.00 253.50 172.50 86.50 256.00 493.00 876.00 1066.92 a 6918.42
1984 1111.00 893.00 761.50 677.50 364.50 245.00 14.00 55.00 263.00 655.00 886.50 1254.00 7180.00
1985 1192.00 902.50 894.50 497.00 413.50 117.50 19.50 129.50 384.50 0.00 z 1101.00 1137.50 6789.00
1986 802.00 713.00 0.00 z 0.00 z 406.00 0.00 z 96.00 26.00 421.00 521.00 827.50 1044.50 4857.00
1987 1149.00 817.50 799.00 465.50 308.50 105.00 167.00 54.00 195.50 373.50 776.50 1145.00 6356.00
1988 1241.50 883.50 755.00 534.50 464.50 206.50 38.50 50.50 248.50 342.50 824.00 1108.00 6697.50
1989 1418.50 1190.50 778.50 468.50 401.50 124.50 0.00 z 164.00 261.50 609.50 908.00 1124.00 7449.00
1990 1110.00 1006.00 0.00 z 0.00 z 549.00 297.50 95.00 162.50 267.50 0.00 z 872.50 1294.00 5654.00
1991 1081.50 696.00 903.50 696.00 0.00 z 0.00 z 24.00 57.50 174.50 520.00 845.00 1147.00 6145.00
1992 1081.00 826.00 776.00 0.00 z 179.50 108.50 64.50 0.00 z 247.00 516.00 899.00 1328.00 6025.50
1993 1409.00 1133.00 727.00 0.00 z 316.50 242.00 191.00 146.00 266.50 520.50 1059.00 1142.00 7152.50
1994 1024.50 944.50 759.50 602.50 323.50 168.50 0.00 z 62.50 167.00 596.00 1057.50 1180.50 6886.50
1995 907.00 693.00 829.00 670.00 399.50 267.00 77.50 146.50 184.50 561.50 677.00 914.50 6327.00
1996 997.00 819.50 766.50 601.50 467.00 191.50 44.00 72.00 313.00 569.50 808.50 981.00 6631.00
1997 1051.00 881.50 763.50 634.50 265.00 236.50 76.00 84.00 252.00 612.00 788.00 1129.50 6773.50
1998 937.50 851.50 794.00 675.00 577.50 236.00 19.50 57.00 196.00 636.50 910.50 1245.00 7136.00
1999 1066.50 989.50 923.50 685.00 477.50 258.50 118.00 110.50 228.00 505.30 a 719.50 1102.57 a 7184.37
2000 1042.50 824.50 812.50 502.50 383.00 121.03 a 88.00 66.00 252.00 550.00 990.50 996.50 6629.03
2001 1013.50 922.50 725.50 718.45 a 0.00 z 225.50 70.50 33.50 190.50 474.82 a 821.00 1062.50 6258.26
2002 1089.00 786.00 874.50 566.50 412.50 129.50 10.00 119.50 215.50 537.00 788.00 959.50 6487.50
2003 786.00 859.00 745.00 733.00 392.50 114.00 8.50 54.00 173.50 381.50 889.00 947.50 6083.50
2004 1000.50 854.50 620.00 545.00 378.50 125.00 17.50 67.00 273.00 549.00 854.00 974.50 6258.50
2005 1053.50 798.50 738.00 620.50 351.00 0.00 z 6.00 24.00 289.50 511.00 865.00 979.00 6236.00
2006 954.00 855.00 978.00 597.50 0.00 z 105.50 0.00 z 60.00 206.00 568.50 791.50 997.00 6113.00
2007 1141.00 828.00 645.50 544.00 308.50 162.00 10.50 45.00 270.50 576.50 792.00 1137.00 6460.50
2008 1241.00 1011.50 878.50 694.00 374.50 225.00 18.50 46.50 189.50 508.50 712.50 1132.50 7032.50
2009 983.00 810.00 849.50 618.00 288.00 164.00 35.00 79.00 116.00 583.00 848.00 1176.00 6549.50
2010 874.00 824.50 820.00 732.50 604.50 229.50 37.50 84.50 234.00 439.00 889.00 946.00 6715.00
2011 1055.00 952.00 854.57 a 729.00 577.50 285.50 81.00 19.00 129.50 537.50 846.00 1094.50 7161.07
2012 1010.50 891.00 830.00 581.00 395.77 a 259.00 45.00 42.00 139.00 480.50 a 760.50 1063.00 6497.27
2013 1286.00 892.00 748.65 a 21.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 49.00 z 2926.65
Period of Record Statistics
MEAN 1077.23 870.67 813.11 622.71 399.97 202.60 60.20 88.22 236.41 526.50 835.75 1062.95 6736.74
S.D. 144.82 118.94 85.01 91.48 93.08 65.29 41.53 47.43 74.10 76.48 83.10 114.80 407.25
SKEW 0.81 0.73 -0.39 0.16 0.32 0.17 1.12 0.79 0.28 -0.01 0.74 0.46 0.23
MAX 1605.80 1190.50 978.00 867.50 623.00 382.00 191.00 263.50 421.00 712.00 1101.00 1328.00 7622.50
MIN 786.00 632.50 596.00 465.50 179.50 84.00 1.50 2.67 56.00 342.50 677.00 836.00 5977.00
NO YRS 75 77 77 76 77 77 76 78 79 76 77 73 58