The heat units in the table below are based on 60 degrees.

Weather Information from Abilene Municipal Airport, Abilene, TX (1948 - 2006)
Year
Rain
Jan. 1-
May 14
(inches)
Rain
May 15 -
May 31
(inches)
Heat Units
May 15 -
May 31
Rain
June
(inches)
Heat Units
June
Rain
July
(inches)
Heat Units
July
Rain
Aug.
(inches)
Heat Units
Aug.
Rain
Sept.
(inches)
Heat Units
Sept.
Rain
Oct.
(inches)
Heat Units
Oct.
Rain
Nov.
(inches)
Heat Units
Nov.
Rain
Dec.
(inches)
Heat Units
for
Growing
Season
Date of Killing Freeze below
30 degrees F
Rain
for
Year
(inches)
1948
4.32
2.20
275.0
2.40
702.0
1.65
748.5
0.37
769.5
0.01
486.0
2.21
163.5
0.00
22.0
0.78
3166.5
November 28 -- 23 degrees
13.94
1949
8.80
3.28
267.0
3.07
594.5
4.43
739.5
2.20
631.0
1.39
440.5
4.00
207.5
0.00
63.0
1.20
2943.5
December 15 -- 23 degrees
28.37
1950
6.14
2.99
245.5
1.50
575.5
6.96
657.0
5.79
621.0
2.81
442.0
0.09
358.0
0.00
8.0
0.02
2907.0
November 4 -- 22 degrees
26.30
1951
3.08
4.37
270.0
3.03
599.0
1.47
792.5
0.22
838.0
0.83
540.0
1.35
297.5
0.37
0.00
0.11
3337.0
November 2 -- 27 degrees
14.83
1952
4.24
2.37
199.0
0.04
704.0
0.70
748.5
0.02
931.0
2.34
473.5
0.00
174.0
3.33
59.5
0.84
3289.5
November 26 -- 27 degrees
13.88
1953
6.19
0.97
323.0
2.41
831.5
3.98
742.5
0.76
699.5
1.24
554.5
3.74
227.0
0.39
0.00
0.07
3378.0
November 9 -- 29 degrees
19.75
1954
7.75
2.25
224.5
0.03
653.0
0.08
849.0
0.85
821.0
0.77
611.5
2.04
288.0
1.65
23.0
0.60
3478.0
December 9 -- 28 degrees
16.02
1955
4.89
5.02
224.5
4.71
549.5
1.36
735.5
1.56
705.5
3.85
564.0
1.04
240.5
0.20
5.50
0.05
3025.0
November 3 -- 29 degrees
22.68
1956
4.87
0.03
301.5
0.12
741.0
0.87
810.5
0.55
778.5
0.00
577.5
1.91
310.0
0.45
6.50
0.98
3525.5
November 9 -- 27 degrees
9.78
1957
16.58
6.36
203.5
2.30
532.5
0.62
795.0
0.47
762.5
2.92
402.5
4.35
152.0
2.45
0.00
0.52
2848.0
October 27 -- 28 degrees
36.57
1958
10.20
1.14
257.5
2.08
632.5
3.12
757.0
2.06
727.0
4.23
465.0
3.72
161.0
0.71
44.0
0.23
3044.0
November 19 -- 29 degrees
27.49
1959
4.08
1.33
287.0
7.22
567.5
4.93
613.0
0.72
683.5
0.77
549.0
5.79
141.5
0.35
22.5
2.12
2864.0
November 5 -- 28 degrees
27.31
1960
5.75
1.93
284.5
1.95
683.0
4.51
723.0
2.68
705.5
1.43
519.5
3.99
287.0
0.02
13.5
2.83
3216.0
November 10 -- 25 degrees
25.09
1961
6.18
1.27
241.0
9.60
484.5
4.35
594.0
1.41
610.5
7.86
390.0
1.67
177.0
2.91
23.0
0.30
2527.0
December 10 -- 27 degrees
35.55
1962
2.68
1.55
324.5
7.65
519.0
4.54
707.5
1.48
753.5
5.12
454.0
2.27
305.0
1.06
29.0
0.77
3092.5
December 11 -- 22 degrees
27.12
1963
3.92
4.20
248.5
1.63
586.0
0.28
807.0
3.56
792.0
0.67
563.0
0.39
403.5
2.67
74.0
0.44
3474.0
November 29 -- 29 degrees
17.76
1964
9.51
0.87
260.0
1.55
638.5
2.58
836.5
5.87
782.0
2.11
482.0
0.50
192.0
2.19
98.5
0.17
3289.5
November 22 -- 24 degrees
25.35
1965
9.91
1.11
216.0
3.70
579.0
0.69
794.5
1.59
763.5
1.86
577.0
2.67
215.5
1.85
118.5
0.97
3278.5
December 25 -- 28 degrees
24.35
1966
8.76
0.15
280.0
1.16
595.5
0.12
833.0
5.08
632.5
4.08
455.5
2.09
167.0
0.28
0.00
0.05
2963.5
November 2 -- 27 degrees
21.77
1967
3.01
3.12
213.5
2.85
656.0
1.32
707.0
0.54
625.0
5.44
341.5
1.74
169.5
2.89
25.5
2.43
2739.0
December 2 -- 29 degrees
23.34
1968
13.05
1.07
233.0
1.09
578.5
7.15
641.0
0.89
696.5
0.53
431.5
0.14
310.0
4.60
30.0
0.12
2920.5
November 9 -- 29 degrees
28.64
1969
12.29
2.13
277.5
2.42
553.0
2.15
848.0
8.18
791.0
4.10
475.0
1.98
171.5
1.11
43.0
2.48
3109.0
November 19 -- 28 degrees
36.84
1970
8.12
2.41
195.0
1.94
574.5
0.00
755.5
1.54
737.5
2.41
543.0
1.18
190.5
0.08
0.00
0.24
2996.0
November 3 -- 28 degrees
17.92
1971
3.16
2.07
242.5
1.78
612.0
1.85
754.0
6.92
522.0
5.33
416.0
2.43
187.5
0.76
55.5
1.81
2789.5
December 18 -- 26 degrees
26.11
1972
4.14
0.00
239.5
3.67
616.5
1.22
643.5
4.92
584.5
3.15
463.0
4.49
210.5
0.37
9.5
0.00
2767.0
November 14 -- 29 degrees
21.96
1973
10.73
0.16
233.0
2.21
522.0
2.68
657.0
0.30
697.5
4.65
414.5
3.15
215.5
0.22
82.0
0.01
2821.5
December 5 -- 28 degrees
24.11
1974
5.63
0.00
350.0
1.03
622.5
2.20
755.0
5.61
577.5
11.03
205.5
5.06
160.5
1.75
26.5
1.14
2697.5
November 29 -- 23 degrees
33.45
1975
6.34
2.95
180.0
1.68
553.0
1.93
610.5
2.47
659.0
2.27
341.0
0.84
204.0
2.67
37.5
1.22
2585.0
November 13 -- 25 degrees
22.37
1976
4.96
0.13
201.5
0.68
568.0
4.27
548.5
1.47
668.5
3.97
407.5
6.24
68.5
0.63
0.00
0.18
2462.5
October 20 -- 29 degrees
22.53
1977
7.03
0.17
264.0
1.71
637.0
1.82
738.0
2.54
725.0
0.09
676.0
2.15
234.0
0.57
7.0
0.19
3281.0
November 9 -- 29 degrees
16.27
1978
3.41
1.14
364.0
1.24
697.0
0.72
898.5
6.70
689.5
2.36
516.5
1.49
237.0
0.94
63.0
0.28
3465.5
December 3 -- 25 degrees
18.28
1979
10.06
0.76
217.5
2.89
570.0
1.55
734.5
1.55
686.5
0.01
531.5
0.53
375.0
0.65
10.0
2.62
3125.0
November 11-- 28 degrees
20.62
1980
4.20
3.15
238.5
1.14
729.5
0.24
910.0
1.62
807.5
6.30
534.5
0.71
212.5
1.62
0.00
1.69
3432.5
October 29 -- 29 degrees
20.67
1981
8.24
1.38
239.0
2.73
608.5
1.69
800.5
0.63
723.0
1.74
538.0
10.68
255.0
0.43
41.5
0.25
3206.0
December 17 -- 25 degrees
27.77
1982
7.17
2.71
259.0
3.98
563.5
1.50
747.0
1.12
791.5
1.09
526.5
0.74
226.0
1.72
53.0
1.28
3166.5
November 13 -- 28 degrees
21.31
1983
5.35
1.04
191.0
3.86
501.0
2.57
705.5
0.10
782.0
0.87
539.0
3.25
289.0
1.77
84.5
0.77
3092.0
November 27 -- 27 degrees
19.58
1984
2.11
0.42
271.0
1.70
693.5
0.97
735.0
3.24
714.5
3.55
434.5
5.15
169.5
2.11
34.5
3.08
3052.5
December 3 -- 28 degrees
22.33
1985
8.55
2.23
253.5
1.78
535.5
1.71
667.5
3.66
770.0
1.28
485.0
2.43
198.0
1.56
45.5
0.03
2955.0
November 20 -- 28 degrees
23.23
1986
3.03
4.01
204.5
4.49
577.5
3.54
753.0
2.45
673.5
1.71
523.0
7.46
145.5
3.24
10.5
2.05
2887.5
November 11 -- 25 degrees
31.98
1987
7.19
3.90
223.0
1.86
523.0
1.91
669.5
4.17
727.5
2.12
419.0
0.21
229.0
1.16
55.0
4.55
2846.0
November 10 -- 29 degrees
27.07
1988
3.37
2.61
209.5
3.75
564.5
1.76
672.0
1.18
738.5
1.74
489.0
1.10
199.5
0.00
90.0
0.80
2963.0
November 21 -- 24 degrees
16.22
1989
6.79
2.33
337.5
9.53
476.5
1.01
710.0
2.53
677.5
4.09
392.0
0.97
293.0
0.20
0.00
0.21
2886.5
November 3 -- 29 degrees
27.66
1990
16.36
0.00
310.5
0.36
747.5
4.27
610.0
0.77
683.5
4.79
503.0
1.73
188.5
2.26
69.5
0.81
3112.5
December 4 -- 23 degrees
31.35
1991
5.64
0.44
326.0
8.05
547.0
2.24
690.0
1.85
596.5
5.99
355.0
2.47
259.5
0.32
0.00
6.28
2774.0
November 2 -- 25 degrees
33.28
1992
8.43
3.40
133.0
4.81
545.5
2.70
651.5
1.99
557.5
1.79
479.0
1.19
273.0
2.57
0.50
1.00
2640.0
November 5 -- 26 degrees
27.88
1993
5.03
0.99
232.5
3.80
590.5
0.25
795.0
1.82
740.5
2.42
423.5
3.19
190.5
0.40
0.00
0.90
2972.5
October 30 -- 27 degrees
18.80
1994
12.06
2.34
234.0
0.00
695.5
0.59
736.5
2.15
701.0
3.80
389.5
3.07
229.0
3.39
45.0
1.04
3030.5
November 29 -- 29 degrees
28.44
1995
7.62
2.56
182.0
1.67
489.0
2.07
724.5
5.25
653.0
2.41
439.5
0.99
211.0
0.32
15.5
0.23
2714.5
November 11 -- 29 degrees
23.12
1996
5.07
1.42
360.5
2.61
606.0
1.92
755.5
6.92
619.0
6.02
365.0
2.56
177.5
2.44
50.0
0.00
2933.5
November 24 -- 28 degrees
28.96
1997
8.60
0.44
194.5
6.86
500.0
0.28
698.5
4.16
672.0
0.04
560.5
2.54
233.5
1.00
0.00
3.16
2859.0
October 27 -- 28 degrees
27.08
1998
5.39
0.72
373.5
1.97
712.0
1.31
856.0
0.47
736.5
0.07
635.5
1.52
305.5
1.06
47.0
0.00
3678.0
December 8 -- 29 degrees
12.51
1999
7.49
0.62
261.5
4.58
562.5
0.06
728.5
0.42
837.5
1.60
486.5
1.66
237.0
0.00
92.5
0.35
3206.0
November 25 -- 25 degrees
16.78
2000
1.25
2.60
359.5
5.48
548.0
0.01
793.0
0.00
831.5
1.08
568.5
7.01
269.0
2.92
2.5
0.92
3372.0
November 9 -- 29 degrees
21.27
2001
8.71
1.18
272.0
1.38
650.0
0.03
854.0
3.39
726.0
2.32
431.0
0.49
185.0
3.39
96.0
0.98
3214.0
November 27 -- 26 degrees
21.87
2002
6.91
2.42
201.0
0.81
579.5
8.04
609.5
1.07
731.0
2.05
471.5
4.37
132.5
0.93
16.0
1.33
2741.0
November 27 -- 29 degrees
27.93
2003
2.20
1.69
235.5
7.36
495.0
0.05
716.0
2.42
718.0
1.02
396.5
1.81
225.5
2.49
92.5
0.01
2879.0
November 23 -- 29 degrees
19.05
2004
12.05
0.55
272.0
4.04
511.0
1.55
633.0
5.02
558.0
0.20
418.0
8.11
221.0
5.12
8.5
0.73
2621.5
November 30 -- 30 degrees
37.37
2005
6.35
1.63
242.0
0.72
601.5
2.42
701.5
4.43
635.0
0.56
592.0
3.44
224.0
0.00
88.5
0.11
3084.5
November 16 -- 25 degrees
19.66
2006
9.98
0.80
305.0
2.21
610.0
0.39
759.5
1.44
791.0
3.17
394.5
1.43
229.0
0.12
38.0
1.16
3127.0
November 16 -- 28 degrees
20.70

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The original data is contained in four txt files (abilene1948-67dailymaxairminairrain.txt, abilene1968-87dailymaxairminairrain.txt, abilene1988-2002dailymaxairminairrain.txt and abilene2003-2006dailymaxairminairrain.txt).