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South Western Oklahoma Development Authority

P.O. Box 569
Burns Flat, OK 73624-0000
P: +1 580-562-4882

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Temperature

  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Beckham County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 49.3 24.5 36.9 871 0
Feb 53.3 28.1 40.7 680 0
Mar 61.9 35.5 48.7 509 3
Apr 71.1 44.6 57.8 238 23
May 79.1 55.2 67.1 60 127
Jun 87.5 64.6 76.1 3 334
Jul 92.8 68.5 80.6 0 485
Aug 92.4 67.6 80.0 1 466
Sep 84.1 59.4 71.8 28 231
Oct 72.9 47.6 60.2 188 40
Nov 60.3 35.8 48.0 511 2
Dec 49.1 26.5 37.8 843 0
Custer County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 48.7 23.5 36.1 896 0
Feb 52.7 27.3 40.0 700 0
Mar 61.6 35.3 48.4 516 3
Apr 71.3 44.3 57.8 240 25
May 79.8 55.5 67.7 56 138
Jun 88.7 65.1 76.9 3 360
Jul 94.6 69.5 82.1 0 529
Aug 93.8 68.5 81.1 0 501
Sep 85.1 60.0 72.5 28 254
Oct 73.1 46.9 60.0 194 40
Nov 59.9 34.9 47.4 530 2
Dec 48.7 25.1 36.9 871 0
Greer County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 52.0 24.8 38.4 825 0
Feb 56.1 28.9 42.5 630 0
Mar 65.2 36.1 50.7 452 7
Apr 75.1 45.1 60.1 191 44
May 82.7 56.5 69.6 36 179
Jun 90.8 65.7 78.2 1 398
Jul 95.9 69.3 82.6 0 546
Aug 95.3 68.4 81.9 0 522
Sep 87.1 60.3 73.7 19 280
Oct 75.8 48.2 62.0 153 60
Nov 63.2 36.1 49.7 464 3
Dec 51.7 26.3 39.0 806 0
Harmon County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 53.0 23.2 38.1 834 0
Feb 56.9 27.1 42.0 644 0
Mar 65.8 34.3 50.0 468 4
Apr 75.1 44.1 59.6 200 38
May 83.3 55.1 69.2 44 174
Jun 92.1 65.1 78.6 2 410
Jul 96.8 68.8 82.8 0 552
Aug 96.0 68.1 82.0 0 529
Sep 87.8 59.8 73.8 18 282
Oct 75.9 46.9 61.4 163 52
Nov 63.9 34.2 49.0 481 3
Dec 52.7 24.7 38.7 815 0
Jackson County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 52.9 24.9 38.9 809 0
Feb 56.8 29.2 43.0 616 0
Mar 65.5 37.3 51.4 430 8
Apr 75.1 46.5 60.8 172 46
May 83.2 57.6 70.4 31 198
Jun 91.6 66.6 79.1 1 424
Jul 96.4 70.5 83.5 0 572
Aug 95.5 69.5 82.5 0 542
Sep 87.2 61.3 74.2 17 294
Oct 76.0 48.8 62.4 145 64
Nov 63.9 37.0 50.5 441 4
Dec 52.4 26.5 39.5 792 0
Kiowa County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 49.9 26.1 38.0 837 0
Feb 54.3 30.2 42.3 637 0
Mar 62.6 37.9 50.2 464 6
Apr 72.1 46.3 59.2 212 38
May 81.2 57.1 69.1 45 173
Jun 90.5 66.2 78.4 2 402
Jul 95.7 70.8 83.2 0 566
Aug 94.5 70.0 82.2 0 535
Sep 85.7 61.7 73.7 21 282
Oct 73.7 49.7 61.7 165 62
Nov 61.0 37.5 49.2 476 4
Dec 50.1 27.8 38.9 807 0
Roger Mills County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 48.5 22.8 35.7 910 0
Feb 53.2 26.9 40.0 698 0
Mar 61.0 33.5 47.2 554 4
Apr 71.0 43.3 57.1 265 29
May 78.6 53.7 66.1 79 115
Jun 86.5 62.9 74.7 8 299
Jul 91.2 67.3 79.2 0 442
Aug 91.7 66.4 79.1 1 436
Sep 83.4 58.0 70.7 39 210
Oct 72.5 45.6 59.1 220 36
Nov 59.6 33.6 46.6 554 2
Dec 47.6 24.1 35.8 903 0
Washita County, OK
  Avg High (°F) Avg Low (°F) Mean (°F) Heat Deg Day Cool Deg Day
Jan 49.4 27.4 38.4 825 0
Feb 54.0 30.9 42.5 632 0
Mar 61.9 38.5 50.2 464 5
Apr 71.1 46.9 59.0 215 35
May 80.3 57.1 68.7 48 163
Jun 89.1 65.9 77.5 2 377
Jul 95.0 71.1 83.0 0 559
Aug 92.6 69.6 81.1 0 499
Sep 85.0 61.7 73.4 17 267
Oct 72.9 50.1 61.5 173 65
Nov 60.2 38.6 49.4 471 3
Dec 49.5 29.4 39.5 792 0

Temperature Extremes, Annual Number of Days

  Days
Beckham County, OK
  Days
High > 90°F (Num. of Days) 67
Low < 32°F (Num. of Days) 90
Low < 0°F (Num. of Days) 1
Custer County, OK
  Days
High > 90°F (Num. of Days) 74
Low < 32°F (Num. of Days) 97
Low < 0°F (Num. of Days) 1
Greer County, OK
  Days
High > 90°F (Num. of Days) 90
Low < 32°F (Num. of Days) 90
Low < 0°F (Num. of Days) 0
Harmon County, OK
  Days
High > 90°F (Num. of Days) 97
Low < 32°F (Num. of Days) 100
Low < 0°F (Num. of Days) 1
Jackson County, OK
  Days
High > 90°F (Num. of Days) 94
Low < 32°F (Num. of Days) 87
Low < 0°F (Num. of Days) 0
Kiowa County, OK
  Days
High > 90°F (Num. of Days) 82
Low < 32°F (Num. of Days) 81
Low < 0°F (Num. of Days) 0
Roger Mills County, OK
  Days
High > 90°F (Num. of Days) 60
Low < 32°F (Num. of Days) 103
Low < 0°F (Num. of Days) 2
Washita County, OK
  Days
High > 90°F (Num. of Days) 75
Low < 32°F (Num. of Days) 72
Low < 0°F (Num. of Days) 0

Precipitation

  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Beckham County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 1.0 3.0 4.1 0.8 0.0
Feb 1.3 1.9 4.4 0.9 0.0
Mar 2.6 0.5 6.1 1.9 0.0
Apr 2.4 0.0 5.6 1.6 0.0
May 4.3 0.0 8.2 3.1 0.0
Jun 4.1 0.0 8.6 2.7 0.0
Jul 2.2 0.0 5.0 1.4 0.0
Aug 3.4 0.0 6.8 2.0 0.0
Sep 3.1 0.0 6.4 1.7 0.0
Oct 2.7 0.1 6.1 1.7 0.0
Nov 1.5 0.3 4.8 1.1 0.0
Dec 1.2 2.5 5.0 0.8 0.0
Custer County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 1.1 2.6 4.3 0.6 N/A
Feb 1.2 2.0 5.3 0.7 N/A
Mar 2.6 0.5 6.1 1.5 N/A
Apr 2.4 0.0 6.0 1.5 N/A
May 4.8 0.0 8.3 3.0 N/A
Jun 4.8 0.0 8.2 2.9 N/A
Jul 2.2 0.0 5.2 1.5 N/A
Aug 3.3 0.0 6.2 1.9 N/A
Sep 3.6 0.0 6.3 2.2 N/A
Oct 3.3 0.0 6.4 2.1 N/A
Nov 1.7 0.4 5.0 1.2 N/A
Dec 1.5 1.7 4.9 1.3 N/A
Greer County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 1.0 0.9 2.9 0.6 0.0
Feb 1.2 0.4 3.5 0.8 0.0
Mar 1.9 0.3 4.9 1.4 0.0
Apr 2.5 0.0 4.5 1.7 0.0
May 3.8 0.0 7.1 2.6 0.0
Jun 4.3 0.0 7.2 3.0 0.0
Jul 2.1 0.0 4.8 1.4 0.0
Aug 2.9 0.0 5.0 1.8 0.0
Sep 2.9 0.0 5.1 1.8 0.0
Oct 2.7 0.0 5.1 1.7 0.0
Nov 1.5 0.0 3.7 0.9 0.0
Dec 1.1 0.6 3.6 0.8 0.0
Harmon County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 0.8 1.6 3.5 0.6 0.0
Feb 1.2 0.4 4.3 0.7 0.0
Mar 1.7 0.3 5.5 1.2 0.0
Apr 2.4 0.0 5.1 1.5 0.0
May 3.4 0.0 7.3 2.3 0.0
Jun 4.0 0.0 7.6 2.9 0.0
Jul 2.2 0.0 5.3 1.2 0.0
Aug 2.8 0.0 6.0 1.7 0.0
Sep 2.7 0.0 5.5 1.3 0.0
Oct 2.6 0.0 5.4 1.4 0.0
Nov 1.4 0.3 4.0 0.8 0.0
Dec 1.1 0.5 3.9 0.7 0.0
Jackson County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 1.1 1.0 4.5 0.8 0.0
Feb 1.2 0.7 5.2 0.7 0.0
Mar 2.0 0.3 6.0 1.1 0.0
Apr 2.4 0.0 5.7 1.4 0.0
May 4.0 0.0 7.8 2.9 0.0
Jun 4.5 0.0 8.0 2.9 0.0
Jul 2.2 0.0 5.4 1.5 0.0
Aug 2.7 0.0 6.3 1.7 0.0
Sep 2.8 0.0 5.9 1.7 0.0
Oct 2.8 0.0 6.1 1.9 0.0
Nov 1.5 0.3 5.0 0.9 0.0
Dec 1.4 1.0 5.0 1.0 0.0
Kiowa County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 0.8 2.3 4.1 0.4 0.0
Feb 1.1 1.4 4.7 0.6 0.0
Mar 2.1 0.3 6.7 1.2 0.0
Apr 2.5 0.0 6.1 1.8 0.0
May 3.8 0.0 9.4 2.5 0.0
Jun 3.7 0.0 8.3 2.6 0.0
Jul 2.6 0.0 6.0 1.8 0.0
Aug 2.8 0.0 5.7 1.4 0.0
Sep 3.1 0.0 6.3 2.0 0.0
Oct 3.0 0.0 6.7 1.8 0.0
Nov 1.5 0.2 5.3 0.9 0.0
Dec 1.3 1.3 5.1 0.7 0.0
Roger Mills County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 0.8 2.9 2.3 0.6 N/A
Feb 1.0 2.1 2.9 0.7 N/A
Mar 1.9 2.9 5.2 1.5 N/A
Apr 2.2 0.0 4.6 1.6 N/A
May 3.2 0.0 6.7 2.4 N/A
Jun 4.3 0.0 7.0 3.1 N/A
Jul 2.0 0.0 4.2 1.3 N/A
Aug 2.8 0.0 5.1 2.0 N/A
Sep 2.5 0.0 4.7 1.8 N/A
Oct 2.5 0.0 4.2 1.5 N/A
Nov 1.0 0.8 3.6 0.6 N/A
Dec 1.0 3.2 2.7 0.5 N/A
Washita County, OK
  Precip Total " Snowfall Total " Days Precip ≥ 0.01" Days Precip ≥ 0.5" Days Snow Depth ≥ 10"
Jan 1.2 2.1 3.4 0.9 0.2
Feb 1.2 1.7 3.9 0.8 0.0
Mar 2.4 0.8 5.8 1.8 0.0
Apr 2.6 0.0 5.2 1.7 0.0
May 4.1 0.0 7.8 3.0 0.0
Jun 4.7 0.0 8.3 3.0 0.0
Jul 2.1 0.0 4.6 1.2 0.0
Aug 3.5 0.0 5.9 2.1 0.0
Sep 3.0 0.0 5.2 1.8 0.0
Oct 3.0 0.0 5.2 2.1 0.0
Nov 1.6 0.4 4.7 1.0 0.0
Dec 1.3 2.2 4.4 1.0 0.0