Brown County, Nebraska · Frost dates
Brown County frost dates.
First-frost, last-frost, and growing-season length for Brown County, Nebraska. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-19
- 20%
- 05-15
- 50%
- 05-06
- 80%
- 04-28
- 90%
- 04-23
First fall frost
- 10%
- 09-19
- 20%
- 09-24
- 50%
- 10-03
- 80%
- 10-11
- 90%
- 10-15
28°F — killing freeze
Last spring freeze
- 10%
- 05-11
- 20%
- 05-06
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-12
First fall freeze
- 10%
- 09-30
- 20%
- 10-04
- 50%
- 10-13
- 80%
- 10-22
- 90%
- 10-25
Growing season length (days, 28°F threshold)
- Short year
- 142
- Median
- 169
- Long year
- 196
Source NOAA station
ELSMERE 9 ENE, NE US
13.7 mi · 30 yrs of record (1991–2020) · 2654 ft elev.
Data from ELSMERE 9 ENE, NE US, 13.7 miles away with 30-year NOAA record (1991-2020).
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