Kreamer climate

Kreamer Frost Dates and Growing Season

NOAA 1991-2020 normals for Selinsgrove 2 S, 8.9 km from Kreamer, elevation 420 ft

Frost and the growing season

NOAA's 1991-2020 freeze probabilities for Selinsgrove 2 S. 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 April 25 and the first fall freeze around October 22, a growing season of about 178 days.

Median at 36°F
last May 6, first October 9
Median at 32°F
last April 25, first October 22
Median at 28°F
last April 10, first November 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.

Threshold10%20%30%40%50%60%70%80%90%
36°FMay 22May 17May 12May 9May 6May 3Apr 30Apr 27Apr 22
32°FMay 10May 6May 1Apr 28Apr 25Apr 20Apr 18Apr 14Apr 9
28°FApr 25Apr 20Apr 16Apr 13Apr 10Apr 8Apr 5Apr 2Mar 28
24°FApr 12Apr 8Apr 4Apr 2Mar 31Mar 29Mar 26Mar 22Mar 16
20°FMar 31Mar 30Mar 26Mar 23Mar 20Mar 17Mar 14Mar 10Mar 4
16°FMar 26Mar 22Mar 18Mar 15Mar 12Mar 8Mar 4Mar 1Feb 23

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.

Threshold10%20%30%40%50%60%70%80%90%
36°FSep 28Oct 1Oct 4Oct 7Oct 9Oct 12Oct 15Oct 18Oct 23
32°FOct 7Oct 12Oct 16Oct 19Oct 22Oct 24Oct 27Oct 30Nov 3
28°FOct 18Oct 23Oct 27Oct 30Nov 1Nov 3Nov 5Nov 9Nov 13
24°FOct 31Nov 2Nov 5Nov 8Nov 11Nov 13Nov 17Nov 20Nov 26
20°FNov 8Nov 13Nov 16Nov 19Nov 22Nov 26Dec 1Dec 4Dec 11
16°FNov 18Nov 25Nov 29Dec 2Dec 6Dec 11Dec 16Dec 21Dec 28

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.

Threshold10%20%30%40%50%60%70%80%90%
36°F176168163159154151147142136
32°F198192187182178174170164156
28°F222216211207203199195190182
24°F244239233229226222218214208
20°F271263257252248244240235228
16°F295288282277272266260254246

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
100% of years
20°F or colder
100% of years
16°F or colder
100% 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
5,929
Cooling degree days, base 65°F
770
Growing degree days, base 40°F
5,190
Growing degree days, base 45°F
4,026
Growing degree days, base 50°F
3,005
Growing degree days, base 55°F
2,123
Growing degree days, base 60°F
1,377

Growing degree days by month, base 50°F

Heating and cooling by month

MonthHeating DDCooling DDGrowing DD 50
January1,16101
February99501
March851015
April480493
May20241313
June31157576
July2268732
August7213671
September9578435
October3948144
November705022
December1,00603

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 8.9 km from Kreamer. Low ground, valleys and open fields freeze earlier and later than a town center or a hillside.

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Sources

NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal normals for station USC00367931 (Selinsgrove 2 S). Public domain.