ZIP 75092 Zone 8a

Texas · USDA zone 8a, average annual extreme minimum 10°F to 15°F.

Nearest qualified station: SHERMAN, TX US (USC00418274), 4.9 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is March 14. Median first 32°F is November 19. The 50% growing-season length is 250 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Last 32°F in spring

NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.

ProbabilityDateHow to read it
90%February 25Earlier date. A last 32°F on or after this day is common.
50%March 14Median.
10%April 1Later date. A last 32°F on or after this day is uncommon.

First 32°F in fall

NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.

ProbabilityDateHow to read it
10%November 2Earlier date. A first 32°F on or before this day is uncommon.
50%November 19Median.
90%December 6Later date. A first 32°F on or before this day is common.

32°F growing-season length

Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.

Probability the season is at least this longDays
10%276
50%250
90%225

28°F threshold

10%50%90%
Last, on or afterMarch 21March 2February 10
First, on or beforeNovember 11November 30December 20
Season at least301 days274 days247 days

36°F threshold

10%50%90%
Last, on or afterApril 15March 28March 8
First, on or beforeOctober 26November 9November 24
Season at least251 days225 days201 days

Station SHERMAN, TX US (USC00418274). Completeness flag S, 30 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 231.6 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

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