Western Regional Climate Center
Summaries
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Station:(028619) TOMBSTONE
From Year=1961 To Year=1990 #Day-Max #Day-Min
Averages Daily Extremes Mean Extremes >= =< =< =<
Max Min Mean High---Date Low---Date High-Yr Low-Yr 90 32 32 0
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Ja 59.4 35.2 47.3 88 26/1963 6 11/1962 52.4 86 42.1 79 0.0 0.0 10.2 0.0
Fe 63.7 37.4 50.5 96 07/1963 16 12/1965 54.2 68 44.8 66 0.0 0.0 7.1 0.0
Ma 68.3 40.6 54.4 92 10/1989 12 17/1963 62.6 72 49.4 69 0.1 0.0 4.3 0.0
Ap 76.6 46.5 61.6 99 20/1989 23 17/1976 70.6 89 56.4 75 0.9 0.0 1.0 0.0
Ma 84.8 53.8 69.3 104 31/1977 31 01/1967 74.3 84 66.1 79 8.4 0.0 0.0 0.0
Jn 94.2 62.6 78.4 110 28/1990 43 01/1967 82.8 74 73.6 65 24.0 0.0 0.0 0.0
Jl 93.0 66.2 79.6 112 04/1989 50 11/1964 83.1 71 76.7 76 23.1 0.0 0.0 0.0
Au 90.4 64.8 77.6 104 12/1962 54 27/1987 80.9 62 73.8 90 18.7 0.0 0.0 0.0
Se 86.9 61.0 74.0 101 05/1979 44 22/1965 77.3 83 70.7 76 10.2 0.0 0.0 0.0
Oc 78.5 52.1 65.3 95 11/1965 27 30/1971 69.7 87 59.6 76 1.6 0.0 0.2 0.0
No 68.0 42.6 55.3 86 11/1973 22 29/1976 60.6 65 51.3 72 0.0 0.0 3.1 0.0
De 59.9 36.8 48.3 80 01/1966 3 08/1978 52.7 81 43.8 74 0.0 0.0 7.9 0.0
An 77.0 50.0 63.5 112 19890704 3 19781208 65.7 89 61.4 76 87.1 0.1 33.7 0.0
Wi 61.0 36.4 48.7 96 19630207 3 19781208 51.9 86 45.4 79 0.0 0.1 25.2 0.0
Sp 76.6 47.0 61.8 104 19770531 12 19630317 68.5 89 58.4 75 9.5 0.0 5.3 0.0
Su 92.5 64.5 78.5 112 19890704 43 19670601 80.8 80 76.5 67 65.8 0.0 0.0 0.0
Fa 77.8 51.9 64.8 101 19790905 22 19761129 67.5 62 60.7 76 11.7 0.0 3.3 0.0
Station:(028619) TOMBSTONE From Year=1961 To Year=1990
Missing data not yet determined
Total Precipitation Precipitation Total Snowfall #Days Precip >=
Mean High--Yr Low--Yr 1-Day Max Mean High-Yr .01 .10 .50 1.00"
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Ja 0.88 2.95 79 0.00 67 1.35 30/1983 0.0 0.0 61 4 3 0 0
Fe 0.63 1.97 78 0.00 64 1.05 04/1983 0.0 0.0 61 3 2 0 0
Ma 0.62 2.72 73 0.00 71 1.13 12/1973 0.0 0.0 61 3 2 0 0
Ap 0.23 1.19 87 0.00 61 0.65 07/1984 0.0 0.0 61 1 1 0 0
Ma 0.18 0.80 76 0.00 61 0.80 19/1976 0.0 0.0 61 1 1 0 0
Jn 0.41 2.14 84 0.00 62 1.03 06/1972 0.0 0.0 61 2 1 0 0
Jl 3.29 5.80 75 1.27 87 2.02 12/1975 0.0 0.0 61 12 8 2 0
Au 2.95 5.99 71 0.54 75 1.95 14/1977 0.0 0.0 61 10 7 2 0
Se 1.60 5.64 83 0.05 73 1.65 29/1983 0.0 0.0 61 5 4 1 0
Oc 1.13 3.08 88 0.00 65 1.52 07/1977 0.0 0.0 61 3 3 1 0
No 0.58 1.66 85 0.00 70 1.10 21/1963 0.0 0.0 61 2 2 0 0
De 0.98 3.65 84 0.00 64 1.80 18/1987 0.3 8.0 78 3 3 1 0
An 13.50 21.30 83 9.11 89 2.02 19750712 0.3 8.0 78 50 34 8 2
Wi 2.49 7.00 83 0.41 67 1.80 19871218 0.3 8.0 79 10 7 1 0
Sp 1.04 2.88 73 0.00 71 1.13 19730312 0.0 0.0 61 6 3 0 0
Su 6.66 9.67 66 4.04 85 2.02 19750712 0.0 0.0 61 23 16 5 1
Fa 3.32 9.80 83 0.49 73 1.65 19830929 0.0 0.0 61 11 8 2 1
For degree day calculations:
Output is rounded, unlike NCDC values, which round input.
Station:(028619) TOMBSTONE Missing data not yet determined
Degree Days to Selected Base Temperatures (F)
Base Heating Degree Days
Below Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
65 549 409 333 138 30 0 0 0 2 68 294 516 2341
60 395 274 203 62 8 0 0 0 0 23 168 362 1495
57 305 200 139 37 3 0 0 0 0 11 111 274 1080
55 248 156 104 25 2 0 0 0 0 7 82 219 843
50 126 73 42 8 0 0 0 0 0 2 33 109 394
Base Cooling Degree Days
Above Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
55 9 30 87 222 446 702 763 700 569 325 91 13 3957
57 4 17 60 174 385 642 701 638 509 268 60 6 3463
60 1 6 31 109 297 552 608 545 419 187 26 1 2782
65 0 1 6 36 164 402 453 390 271 77 3 0 1802
70 0 0 0 6 65 255 298 236 134 19 0 0 1014
Derived from the 1961-1990 Data
For degree day calculations:
Output is rounded, unlike NCDC values, which round input.
Station:(028619) TOMBSTONE Missing data not yet determined
Growing Degree Days to Selected Base Temperatures (F)
Base Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
40 M 242 303 450 648 909 1152 1228 1165 1019 784 460 273 8632
40 S 242 545 995 1642 2551 3703 4931 6096 7115 7899 8359 8632 8632
45 M 121 182 305 499 754 1002 1073 1010 869 629 318 147 6908
45 S 121 303 607 1106 1860 2862 3935 4945 5814 6443 6761 6908 6908
50 M 42 88 180 355 599 852 918 855 719 475 192 58 5334
50 S 42 130 310 666 1265 2117 3034 3890 4609 5084 5276 5334 5334
55 M 9 30 87 222 446 702 763 700 569 325 91 13 3957
55 S 9 39 126 348 794 1496 2258 2958 3527 3853 3943 3957 3957
60 M 1 6 31 109 297 552 608 545 419 187 26 1 2782
60 S 1 7 38 147 444 996 1603 2148 2568 2755 2781 2782 2782
Corn Growing Degree Days
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
50 M 156 197 290 415 583 726 803 779 678 491 277 163 5559
50 S 156 353 643 1058 1642 2367 3171 3950 4628 5119 5396 5559 5559
Derived form the 1961-1990 Data
M = Monthly Data S = Running Sum of Monthly Data
For more information, contact
Western Regional Climate Center,
email: wrcc@dri.edu
phone: 775-674-7010
fax: 775-674-7016