OLTON, TEXAS

Monthly Total Heating Degree Days

(416644)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
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 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 0.00 z 0.00 z 0.00 z 0.00 z 66.59 d 5.00 0.00 0.00 16.50 g 194.02 b 334.00 647.50 1247.11
1943 759.50 548.00 520.50 100.00 86.00 0.00 0.00 0.00 10.50 215.50 620.69 a 0.00 z 2860.69
1944 790.50 658.50 697.00 392.00 51.50 0.50 1.00 0.00 50.50 182.00 539.50 894.00 4257.00
1945 860.00 636.00 474.50 407.00 32.50 1.50 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 2411.50
1946 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
1947 0.00 z 0.00 z 667.65 d 326.50 0.00 z 0.00 z 0.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 994.15
1948 661.50 h 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
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 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
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 q 0.00 a 0.00 23.00 j 0.00 z 0.00 z 0.00 z 0.00
1952 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 444.50 l 456.00 l 0.00
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 798.00 858.00 521.83 a 203.00 28.00 5.50 0.00 a 0.00 a 49.66 a 156.50 496.00 710.00 3826.49
1965 637.00 695.00 789.50 186.50 52.00 5.36 b 0.00 0.00 a 61.50 208.00 354.00 685.50 3674.36
1966 1067.00 806.00 468.50 286.00 116.00 0.00 0.00 27.50 16.00 278.00 432.00 874.00 4371.00
1967 814.78 a 706.00 370.50 117.00 113.50 5.50 0.00 2.00 35.00 207.50 512.50 894.50 3778.78
1968 812.50 764.00 546.00 309.00 100.00 4.00 0.00 4.50 31.50 186.50 590.00 803.50 4151.50
1969 722.50 678.74 a 810.00 208.50 85.00 24.50 0.00 0.00 11.50 372.00 530.40 e 734.00 4177.14
1970 938.50 607.00 649.89 c 267.69 d 58.79 b 35.50 0.50 0.00 84.00 350.00 578.00 676.50 4246.38
1971 803.50 754.00 579.00 288.50 81.78 b 0.00 9.00 0.00 115.00 195.50 463.93 b 753.00 4043.20
1972 754.33 d 611.00 306.50 135.50 78.00 0.00 9.00 2.00 23.89 c 210.00 660.50 f 0.00 z 2130.22
1973 964.50 698.00 455.59 c 410.00 0.00 z 3.50 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 2531.59
1974 0.00 z 536.50 f 275.50 g 244.66 a 50.78 b 5.69 a 0.00 1.50 170.69 a 237.50 567.41 a 875.00 2153.22
1975 851.47 a 797.50 639.00 345.52 a 76.47 a 10.18 b 0.00 0.00 122.00 218.55 a 0.00 z 781.31 d 3841.99
1976 890.00 504.81 b 520.59 b 175.80 e 140.00 0.00 z 0.00 a 0.00 b 53.28 a 497.19 e 762.93 a 859.14 c 4403.74
1977 1044.91 b 628.38 b 554.26 b 257.14 b 22.14 c 0.00 b 0.00 0.50 4.00 179.80 a 521.50 746.00 3958.64
1978 1084.48 a 955.63 a 544.10 b 117.86 b 102.50 11.50 0.00 6.00 55.00 225.27 a 566.50 944.47 a 4613.31
1979 1156.50 754.50 564.72 a 259.50 127.50 29.00 0.50 1.50 29.50 179.05 b 691.03 a 861.11 d 4654.41
1980 868.00 735.00 604.50 0.00 z 101.27 a 0.00 0.00 0.00 45.00 284.00 579.60 e 711.45 a 3928.82
1981 653.00 f 654.00 0.00 z 174.31 a 74.50 7.24 a 0.00 0.00 q 35.50 259.50 462.00 740.50 2407.55
1982 855.60 a 825.50 533.00 317.59 a 80.50 17.00 0.00 0.00 11.50 307.00 628.00 910.00 4485.69
1983 1070.50 755.50 588.50 456.72 a 128.28 b 50.17 a 0.00 d 0.00 g 53.33 c 199.00 501.21 a 1158.50 4961.71
1984 969.50 719.00 393.00 l 362.00 71.50 6.00 0.00 0.00 131.00 339.00 623.50 808.50 4030.00
1985 977.50 770.50 474.30 a 173.50 34.00 i 3.50 h 0.00 0.00 j 59.46 b 254.50 314.50 o 328.50 t 2709.76
1986 0.00 z 0.00 z 0.00 z 160.50 74.00 0.00 0.00 0.00 16.50 298.50 637.50 849.50 2036.50
1987 937.50 660.50 657.50 331.00 68.50 3.00 0.00 7.50 19.50 211.00 557.00 914.50 4367.50
1988 998.00 736.50 595.00 315.00 92.50 1.00 0.00 6.00 28.50 201.50 512.00 831.50 4317.50
1989 739.50 809.00 447.00 222.50 59.00 30.50 0.00 1.50 102.00 190.00 541.50 1023.00 4165.50
1990 801.50 615.50 559.50 266.00 139.00 0.00 4.00 0.00 16.50 245.00 472.00 912.50 4031.50
1991 975.00 580.00 474.50 191.50 49.00 0.00 0.00 0.00 104.00 219.50 728.00 799.00 4120.50
1992 893.00 598.00 457.00 218.50 93.00 14.50 0.00 1.50 38.00 157.50 664.00 844.50 3979.50
1993 917.00 727.00 532.00 263.50 74.00 0.00 k 0.00 0.00 40.50 292.50 693.00 508.50 i 3539.50
1994 849.50 731.50 465.50 273.50 88.50 0.00 0.00 3.50 24.00 216.00 505.00 685.00 3842.00
1995 787.50 553.50 534.00 290.50 98.50 0.50 0.00 i 1.00 91.00 199.00 482.50 764.50 3802.50
1996 842.50 610.50 620.00 256.00 13.00 0.00 0.00 0.00 48.50 233.50 519.50 753.50 3897.00
1997 916.00 732.00 445.50 419.00 89.00 4.50 0.00 a 4.50 34.00 249.00 589.50 898.00 4381.00
1998 718.50 635.00 623.50 315.00 19.00 11.00 0.00 0.00 5.00 144.00 449.50 780.50 3701.00
1999 717.50 513.00 552.50 210.50 g 112.50 3.21 b 0.50 0.00 76.00 218.50 362.50 809.50 3365.71
2000 721.00 501.00 439.00 241.61 b 57.57 c 0.00 g 0.00 f 0.00 59.00 214.00 723.46 d 964.50 3921.14
2001 941.50 621.19 a 644.05 b 147.41 a 51.50 0.00 e 0.00 0.00 16.07 b 202.00 432.22 c 754.00 3809.94
2002 782.00 718.50 636.00 210.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2347.00
2003 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
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.00 0.00 34.50 186.00 619.00 782.00 1628.50
2005 739.50 606.50 553.50 247.50 120.50 0.00 1.50 1.50 7.00 218.00 468.50 812.50 3776.50
2006 659.50 646.50 337.50 g 152.50 44.00 0.00 0.00 0.00 59.50 255.50 472.50 833.00 3123.00
2007 1048.00 699.50 403.00 301.50 f 77.50 f 2.00 0.00 0.00 j 2.50 l 129.50 f 307.00 j 460.50 m 2152.50
2008 599.00 j 398.00 j 328.00 k 247.00 f 47.50 k 0.00 h 0.00 i 0.00 i 30.00 g 193.00 i 277.50 l 507.50 k 0.00
2009 466.50 n 292.00 k 359.00 g 192.50 g 85.50 2.00 0.00 z 0.00 53.50 333.00 467.50 997.00 1938.50
2010 892.50 838.00 564.00 245.50 119.00 0.00 0.00 4.00 5.00 157.00 535.50 706.00 4066.50
2011 876.00 777.50 398.50 150.00 99.00 0.00 0.00 0.00 27.00 192.00 522.00 928.50 3970.50
2012 710.50 700.50 335.50 100.00 65.50 0.00 0.00 0.00 46.50 136.50 h 0.00 z 0.00 z 1958.50
Period of Record Statistics
MEAN 865.66 689.82 541.29 250.85 79.07 6.66 0.69 1.63 48.07 234.11 542.07 826.46 4098.68
S.D. 122.82 98.20 106.62 89.61 31.64 11.00 2.11 4.30 37.20 66.14 98.67 104.97 272.13
SKEW 0.33 0.17 0.19 0.29 -0.08 2.29 3.28 4.88 1.27 1.73 0.18 0.74 0.32
MAX 1156.50 955.63 810.00 456.72 140.00 50.17 9.00 27.50 170.69 497.19 762.93 1158.50 4654.41
MIN 637.00 501.00 306.50 100.00 13.00 0.00 0.00 0.00 4.00 144.00 334.00 647.50 3674.36
NO YRS 45 46 44 46 46 45 48 47 46 46 43 42 27