Perry Threshold Days by Year (USC00035691)

16 fixed thresholds counted per year at Perry (USC00035691): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perry Thresholds

Perry: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 2009 with 58.
Perry: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 2018 with 28.
Perry: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 2009 with 11.
Perry: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 2008 with 2.
16 fixed thresholds have at least one qualifying day at Perry.

Days at or above 30 C (86 F)

7 years with a qualifying day

Days per year at Perry with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 128 in 1972.

For each year, a bar from the first to the last day at Perry meeting 30 C (86 F).

First to last qualifying date each year at Perry
Year	First date	Last date
1965	1965-04-04	1965-09-19
1966	1966-03-30	1966-10-09
1967	1967-03-11	1967-09-25
1968	1968-04-14	1968-10-31
1969	1969-04-04	1969-10-25
1971	1971-04-23	1971-10-17
1972	1972-04-07	1972-10-16

Every Fixed Threshold

Fixed thresholds at Perry
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	7	128	1972	128
35 C (95 F): Days	7	49	1972	49
40 C (104 F): Days	3	2	1969	1
90 F (32.2 C): Days	7	96	1972	96
100 F (37.8 C): Days	5	10	1972	10
0 C (32 F): Ice days (max	5	3	1966	2
0 C (32 F): Frost days (min	7	90	1968	54
-10 C (14 F): Days with min	7	7	1972	7
20 C (68 F): Tropical nights (min	7	65	1965	53
25 C (77 F): Days with min	2	1	1965	1
10 mm (0.39 in): Days with 10 mm or more rain	60	58	2009	37
25 mm (0.98 in): Days with 25 mm or more rain	60	28	2018	19
50 mm (1.97 in): Days with 50 mm or more rain	60	11	2009	8
100 mm (3.94 in): Days with 100 mm or more rain	17	2	2008	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2003	1
10 cm (3.9 in): Days with 10 cm or more snowfall	12	2	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

Data for Perry threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Year	Days	Decade average
1965	116	105.8
1966	100	105.8
1967	82	105.8
1968	105	105.8
1969	126	105.8
1971	115	121.5
1972	128	121.5

Perry Threshold Days by Year (USC00035691)

Key Facts for Perry Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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