CHISOS BASIN, TEXAS

Monthly Total Growing Degree Days

(411715)

Base Temperature = 50 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
1943 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
1944 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
1945 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
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 43.50 221.00 445.50 650.00 803.50 456.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2163.50
1948 54.00 221.12 a 300.91 b 558.00 685.00 804.50 763.00 799.50 562.50 370.93 b 90.00 e 218.50 5427.97
1949 76.50 135.13 e 332.00 311.50 707.00 774.00 763.00 672.00 552.50 359.17 b 172.00 70.50 4925.30
1950 217.50 157.00 307.50 479.50 692.00 726.00 719.00 696.00 621.00 514.50 237.41 a 103.33 a 5470.75
1951 95.50 172.00 270.50 397.00 678.00 827.50 821.00 825.50 653.50 509.00 123.00 g 140.00 5389.50
1952 197.22 b 103.00 147.00 344.44 c 564.00 746.50 698.00 841.13 a 613.00 346.50 137.50 29.50 4767.80
1953 28.00 o 127.68 c 366.66 b 424.50 614.50 838.00 796.50 691.30 a 573.50 317.50 f 75.00 f 20.50 4453.14
1954 148.00 171.50 299.50 518.79 a 627.75 a 774.00 782.00 729.50 659.50 453.12 a 94.50 k 95.00 5258.66
1955 37.50 64.50 g 357.02 a 503.50 687.00 772.50 755.50 722.00 630.00 457.00 210.50 132.50 5265.02
1956 63.00 177.50 281.50 437.00 746.00 792.00 788.50 748.00 574.14 a 480.00 113.50 77.00 5278.14
1957 219.50 283.00 228.50 436.50 529.00 760.00 820.00 399.00 p 557.40 e 253.00 g 161.00 145.50 4140.40
1958 22.50 91.50 131.00 418.00 597.02 b 821.00 878.00 782.50 598.00 303.59 b 174.00 46.50 4863.60
1959 82.15 a 121.50 176.00 407.50 687.50 732.50 696.00 748.02 d 678.00 e 431.23 c 122.50 60.34 c 4943.24
1960 75.95 a 36.00 284.34 b 467.00 675.00 813.50 736.50 697.50 580.00 503.00 242.50 37.50 5148.79
1961 8.00 111.50 290.50 466.50 706.05 b 678.00 698.50 671.00 631.50 476.76 b 152.50 110.00 5000.81
1962 72.33 a 253.50 193.00 475.86 a 766.73 a 754.66 a 784.00 819.43 a 647.50 520.80 a 202.50 50.24 b 5540.56
1963 75.95 a 127.00 311.50 534.50 680.50 811.00 825.78 b 743.00 553.50 426.00 214.66 a 44.50 5347.88
1964 51.15 a 53.50 253.17 a 512.59 a 715.00 725.00 788.00 802.00 600.00 366.50 234.00 141.50 5242.40
1965 110.00 57.00 227.00 531.50 644.80 a 776.50 791.00 695.00 616.50 401.50 316.00 85.00 5251.80
1966 33.50 34.00 260.00 449.48 a 603.50 706.50 808.50 709.50 563.00 361.84 b 234.50 77.50 4841.83
1967 87.00 98.50 364.00 583.50 627.50 766.50 730.50 638.00 446.00 363.00 178.00 43.00 4925.50
1968 52.00 55.00 159.00 325.00 639.50 715.00 683.50 697.00 451.50 454.50 139.50 58.90 a 4430.40
1969 98.00 61.50 93.50 474.50 564.00 800.50 828.50 819.50 594.00 431.00 154.00 117.50 5036.50
1970 76.00 46.00 132.00 462.50 533.50 674.00 733.50 731.50 554.50 260.00 177.50 211.00 4592.00
1971 144.00 88.50 276.00 366.50 631.50 698.00 731.00 570.50 545.00 350.50 195.50 94.00 4691.00
1972 69.00 143.00 355.00 539.00 598.50 746.50 740.50 680.00 623.50 471.00 96.00 43.00 5105.00
1973 41.91 d 59.63 a 161.50 304.50 613.50 684.00 710.50 646.00 567.50 457.00 338.00 78.50 4662.54
1974 133.41 c 79.00 376.50 424.00 722.50 761.50 751.50 679.50 461.00 339.00 132.50 51.31 b 4911.72
1975 83.50 56.50 241.00 395.00 631.00 805.00 634.00 646.00 494.00 437.50 203.79 a 87.00 4714.29
1976 23.50 200.50 263.50 403.00 485.00 716.00 612.00 657.00 483.00 196.50 50.00 10.85 a 4100.85
1977 7.50 47.00 192.72 a 351.50 695.00 702.00 743.00 835.00 753.00 456.22 a 235.00 147.00 5164.93
1978 41.00 38.50 219.50 513.50 670.00 757.00 791.00 660.00 462.50 328.50 201.50 89.50 4772.50
1979 46.00 95.00 219.50 404.00 522.50 646.00 801.50 667.00 515.00 533.00 106.50 87.00 4643.00
1980 120.00 109.50 200.00 332.00 636.05 c 878.00 890.00 716.50 610.50 289.50 143.00 99.50 5024.55
1981 32.50 94.00 106.50 359.50 574.00 681.50 754.50 662.50 543.50 360.24 b 217.76 a 92.00 4478.50
1982 98.50 79.50 311.00 438.50 532.00 740.00 753.00 767.00 644.50 404.00 168.00 42.00 4978.00
1983 22.50 22.50 145.00 268.00 586.50 755.50 801.50 735.00 645.00 425.00 162.50 99.09 c 4668.09
1984 15.00 53.00 0.00 z 396.50 644.00 677.50 704.00 735.00 544.00 368.50 185.50 174.00 4497.00
1985 21.00 67.00 258.50 402.50 646.50 0.00 z 705.50 764.50 555.00 346.00 271.00 61.00 4098.50
1986 60.00 159.50 210.00 537.00 608.50 607.50 729.00 703.00 579.50 312.00 171.00 28.00 4705.00
1987 48.50 71.00 93.50 244.14 a 468.50 628.50 736.00 708.00 535.86 a 421.00 168.00 100.75 e 4223.75
1988 32.50 94.50 214.00 381.50 573.50 624.00 674.00 681.50 571.00 427.00 248.79 a 53.50 4575.79
1989 70.30 c 107.52 c 302.50 484.14 a 732.00 775.00 788.00 714.50 542.00 489.05 b 201.00 17.64 b 5223.65
1990 62.52 a 82.00 265.57 a 414.83 a 667.03 b 856.00 675.91 c 618.97 a 492.00 303.05 b 219.00 101.50 4758.37
1991 21.00 65.50 218.00 414.00 679.00 746.50 640.00 642.50 429.50 386.50 82.24 a 38.50 4363.24
1992 0.50 34.50 192.00 324.50 440.50 754.00 771.00 648.50 580.50 448.00 101.50 129.00 4424.50
1993 35.00 71.00 204.50 371.00 552.00 716.50 751.00 767.00 526.50 381.50 128.79 a 91.00 4595.79
1994 44.00 124.50 216.50 399.00 616.00 771.00 815.00 743.50 585.00 250.50 i 274.00 101.50 4690.00
1995 48.50 139.50 204.50 352.00 691.50 698.50 782.50 531.00 i 599.00 443.50 184.00 101.00 o 4143.50
1996 80.50 215.00 154.50 371.50 830.50 742.50 775.50 662.50 559.50 381.00 245.00 98.50 5116.50
1997 59.50 43.50 199.50 223.50 550.00 707.00 747.50 741.50 631.03 a 359.50 151.00 22.00 4435.53
1998 71.00 37.50 189.50 304.50 787.00 875.50 793.50 663.50 609.00 446.00 209.00 77.50 5063.50
1999 99.50 187.50 258.50 493.00 671.00 694.50 696.00 756.50 582.00 387.50 a 195.00 36.00 5057.00
2000 137.00 208.50 272.00 475.50 766.50 652.50 830.00 736.50 664.00 378.00 74.50 36.50 5231.50
2001 25.50 148.00 125.55 a 485.69 a 650.50 788.00 829.50 731.71 b 598.50 436.00 216.43 b 52.38 b 5087.75
2002 99.50 12.00 218.50 528.50 712.50 759.50 681.00 734.00 541.50 396.50 98.00 37.00 4818.50
2003 69.00 96.50 175.00 428.00 698.50 711.00 636.00 0.00 z 0.00 z 370.00 245.00 60.00 3489.00
2004 38.00 43.50 217.00 338.00 622.50 703.50 702.50 620.50 491.50 429.00 90.00 33.00 4329.00
2005 106.00 53.50 126.00 288.50 g 586.50 766.50 782.50 684.00 669.00 385.50 211.00 87.50 4458.00
2006 91.50 118.50 321.00 554.50 734.00 736.50 752.00 0.00 z 528.00 0.00 z 223.00 0.00 z 4059.00
2007 25.32 a 89.50 262.00 350.00 530.50 0.00 z 646.50 718.00 587.50 433.00 191.00 96.00 3929.32
2008 72.00 132.50 246.00 447.50 620.50 832.00 680.50 627.50 410.00 378.00 132.50 102.82 a 4681.82
2009 77.50 a 0.00 z 285.00 407.00 631.50 758.00 815.00 758.50 463.50 411.00 135.00 41.50 4783.50
2010 41.50 13.50 103.50 346.00 651.00 803.00 668.50 763.00 583.50 459.00 193.50 98.50 4724.50
2011 39.50 171.00 398.50 604.50 719.50 926.00 858.50 893.00 681.00 475.85 a 218.50 56.00 6041.85
2012 85.00 99.50 313.10 a 534.00 663.18 c 821.50 744.50 776.00 606.72 a 403.50 h 0.00 z 0.00 z 4643.50
Period of Record Statistics
MEAN 70.21 102.98 235.38 425.79 640.36 751.51 750.99 717.94 571.96 404.83 179.96 80.13 4888.16
S.D. 46.58 60.58 74.65 83.77 76.89 63.57 61.15 63.03 67.40 66.70 58.94 44.28 371.18
SKEW 1.30 0.83 0.04 -0.12 -0.23 0.12 -0.12 0.34 -0.20 -0.47 0.11 0.95 0.39
MAX 219.50 283.00 398.50 604.50 830.50 926.00 890.00 893.00 753.00 533.00 338.00 218.50 6041.85
MIN 0.50 12.00 93.50 223.50 440.50 607.50 612.00 570.50 410.00 196.50 50.00 10.85 4100.85
NO YRS 64 64 65 65 66 64 65 61 64 60 61 62 50