ZIP 89701 Zone 7a

Nevada · USDA zone 7a, average annual extreme minimum 0°F to 5°F.

Nearest qualified station: CARSON CITY, NV US (USC00261485), 2.3 miles from the Census ZCTA internal point for this ZIP.

Median last 32°F is May 4. Median first 32°F is October 6. The 50% growing-season length is 152 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%April 20Earlier date. A last 32°F on or after this day is common.
50%May 4Median.
10%May 29Later 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%September 24Earlier date. A first 32°F on or before this day is uncommon.
50%October 6Median.
90%October 20Later 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%173
50%152
90%127

28°F threshold

10%50%90%
Last, on or afterMay 9April 20April 6
First, on or beforeOctober 4October 18November 1
Season at least201 days179 days157 days

36°F threshold

10%50%90%
Last, on or afterJune 13May 26May 5
First, on or beforeSeptember 11September 26October 8
Season at least145 days123 days99 days

Station CARSON CITY, NV US (USC00261485). Completeness flag R, 26 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 1451.2 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.

Methodology · Nevada cities