Hooks Frost Dates and Growing Season
Frost and the growing season
NOAA's 1991-2020 freeze probabilities for Texarkana. A median date has an even chance of a later freeze in spring, or an earlier one in fall.
The last spring freeze typically comes around March 15 and the first fall freeze around November 17, a growing season of about 249 days.
- Median at 36°F
- last March 30, first November 6
- Median at 32°F
- last March 15, first November 17
- Median at 28°F
- last March 1, first December 1
Last freeze in spring
The chance of a later freeze than the date shown. At 10 percent, one spring in ten still freezes after the date; planting after the 10 percent date for 32°F is the cautious choice.
| Threshold | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 16 | Apr 10 | Apr 6 | Apr 2 | Mar 30 | Mar 25 | Mar 21 | Mar 16 | Mar 8 |
| 32°F | Apr 4 | Mar 28 | Mar 24 | Mar 19 | Mar 15 | Mar 11 | Mar 7 | Mar 2 | Feb 24 |
| 28°F | Mar 21 | Mar 14 | Mar 9 | Mar 5 | Mar 1 | Feb 26 | Feb 20 | Feb 13 | Feb 3 |
| 24°F | Mar 8 | Mar 1 | Feb 23 | Feb 15 | Feb 10 | Feb 4 | Jan 31 | Jan 23 | Jan 14 |
| 20°F | Feb 25 | Feb 10 | Feb 4 | Jan 31 | Jan 26 | Jan 21 | Jan 15 | Jan 8 | Dec 31 |
| 16°F | Feb 9 | Feb 2 | Jan 27 | Jan 23 | Jan 19 | Jan 14 | Jan 9 | Jan 5 | Dec 30 |
First freeze in fall
The chance of an earlier freeze than the date shown. At 10 percent, one fall in ten freezes before the date.
| Threshold | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 24 | Oct 29 | Nov 1 | Nov 3 | Nov 6 | Nov 9 | Nov 13 | Nov 17 | Nov 23 |
| 32°F | Nov 1 | Nov 5 | Nov 9 | Nov 13 | Nov 17 | Nov 21 | Nov 25 | Dec 1 | Dec 4 |
| 28°F | Nov 10 | Nov 16 | Nov 21 | Nov 26 | Dec 1 | Dec 4 | Dec 8 | Dec 14 | Dec 23 |
| 24°F | Nov 23 | Nov 30 | Dec 5 | Dec 12 | Dec 19 | Dec 25 | Dec 31 | Jan 5 | Jan 14 |
| 20°F | Dec 8 | Dec 20 | Dec 27 | Jan 1 | Jan 5 | Jan 9 | Jan 13 | Jan 20 | Feb 2 |
| 16°F | Dec 20 | Dec 31 | Jan 3 | Jan 6 | Jan 11 | Jan 15 | Jan 20 | Jan 25 | Feb 5 |
Growing season length
Days between the last spring and first fall freeze at each threshold, with the chance of a season at least that long.
| Threshold | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | 247 | 240 | 233 | 227 | 223 | 217 | 212 | 206 | 198 |
| 32°F | 274 | 266 | 260 | 254 | 249 | 244 | 238 | 232 | 222 |
| 28°F | 307 | 296 | 288 | 281 | 276 | 270 | 264 | 256 | 247 |
| 24°F | 343 | 334 | 326 | 318 | 310 | 303 | 296 | 288 | 276 |
| 20°F | 365 | 365 | 360 | 351 | 343 | 336 | 330 | 323 | 307 |
| 16°F | 365 | 365 | 365 | 365 | 365 | 365 | 363 | 348 | 334 |
How often it gets that cold
The share of years with at least one night at or below each temperature.
- 36°F or colder
- 100% of years
- 32°F or colder
- 100% of years
- 28°F or colder
- 100% of years
- 24°F or colder
- 98% of years
- 20°F or colder
- 75% of years
- 16°F or colder
- 33% of years
Degree days
A degree day is one degree of the daily mean temperature beyond a base, for one day. Heating degree days count cold (the fuel a house burns), cooling degree days heat, growing degree days the warmth a crop needs; each crop has its own base.
- Heating degree days, base 65°F
- 2,675
- Cooling degree days, base 65°F
- 2,336
- Growing degree days, base 40°F
- 8,939
- Growing degree days, base 45°F
- 7,322
- Growing degree days, base 50°F
- 5,844
- Growing degree days, base 55°F
- 4,518
- Growing degree days, base 60°F
- 3,346
Growing degree days by month, base 50°F
Heating and cooling by month
| Month | Heating DD | Cooling DD | Growing DD 50 |
|---|---|---|---|
| January | 662 | 2 | 47 |
| February | 490 | 3 | 79 |
| March | 321 | 18 | 217 |
| April | 125 | 68 | 400 |
| May | 18 | 231 | 677 |
| June | 0 | 437 | 886 |
| July | 0 | 563 | 1,028 |
| August | 0 | 552 | 1,017 |
| September | 6 | 342 | 786 |
| October | 105 | 104 | 468 |
| November | 356 | 14 | 174 |
| December | 591 | 3 | 66 |
What this means
NOAA computes these from the daily lows at the station over 1991-2020, fitting the dates of each year's last and first freeze to a distribution, so a date can be stated at any level of risk. 36°F is a frost risk for tender plants on a clear, calm night, since the ground cools below the air above it; 32°F is a freeze; 28°F is a hard freeze that kills most annuals.
The station is 19.8 km from Hooks. Low ground, valleys and open fields freeze earlier and later than a town center or a hillside.
More
Sources
NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal normals for station USC00418942 (Texarkana). Public domain.