Birdseye Threshold Days by Year (USC00420716)

14 fixed thresholds counted per year at Birdseye (USC00420716): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Birdseye Thresholds

Birdseye: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1969 with 18.
Birdseye: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1988 with 11.
Birdseye: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1988 with 79.
Birdseye: days with a maximum temperature at or above 90 F (32.2 C) in 22 years, most in 1969 with 50.
14 fixed thresholds have at least one qualifying day at Birdseye.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at Birdseye with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 79 in 1988.

Days at or above 30 C (86 F) per year at Birdseye
Year	Days	Decade average
1961	54	47.7
1962	31	47.7
1963	32	47.7
1964	45	47.7
1965	13	47.7
1966	71	47.7
1967	57	47.7
1968	50	47.7
1969	76	47.7
1970	58	54.4
1971	61	54.4
1972	39	54.4
1973	49	54.4
1974	65	54.4
1984	32	54
1985	56	54
1986	59	54
1987	45	54
1988	79	54
1989	53	54
1990	67	60.5
1991	54	60.5

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

First to last qualifying date each year at Birdseye
Year	First date	Last date
1961	1961-06-08	1961-08-27
1962	1962-06-23	1962-08-25
1963	1963-06-27	1963-08-16
1964	1964-07-03	1964-08-25
1965	1965-07-03	1965-07-31
1966	1966-06-17	1966-09-20
1967	1967-05-24	1967-09-05
1968	1968-06-03	1968-08-17
1969	1969-05-26	1969-09-24
1970	1970-06-22	1970-09-12
1971	1971-06-14	1971-09-13
1972	1972-06-15	1972-08-17
1973	1973-06-08	1973-08-23
1974	1974-05-27	1974-09-10
1984	1984-05-23	1984-08-29
1985	1985-06-06	1985-09-02
1986	1986-06-02	1986-09-06
1987	1987-04-30	1987-09-24
1988	1988-06-03	1988-09-09
1989	1989-06-15	1989-09-06
1990	1990-06-04	1990-09-15
1991	1991-06-12	1991-09-05

Every Fixed Threshold

Fixed thresholds at Birdseye
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	79	1988	54
35 C (95 F): Days	17	12	1989	2
90 F (32.2 C): Days	22	50	1969	28
100 F (37.8 C): Days	2	2	1989	2
0 C (32 F): Ice days (max	22	50	1964	17
0 C (32 F): Frost days (min	21	268	1968	218
-10 C (14 F): Days with min	21	123	1988	85
-20 C (-4 F): Days with min	21	35	1966	17
-30 C (-22 F): Days with min	14	5	1990	5
10 mm (0.39 in): Days with 10 mm or more rain	40	18	1969	6
25 mm (0.98 in): Days with 25 mm or more rain	12	3	1966	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	11	1988	8
25 cm (9.8 in): Days with 25 cm or more snowfall	16	2	1945	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Birdseye 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).

Birdseye Threshold Days by Year (USC00420716)

Key Facts for Birdseye Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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