Jay Threshold Days by Year (USC00344564)

18 fixed thresholds counted per year at Jay (USC00344564): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jay Thresholds

Jay: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1973 with 61.
Jay: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1973 with 30.
Jay: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1952 with 123.
Jay: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 1954 with 107.
18 fixed thresholds have at least one qualifying day at Jay.

Days at or above 30 C (86 F)

32 years with a qualifying day

Days per year at Jay with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 123 in 1952.

Days at or above 30 C (86 F) per year at Jay
Year	Days	Decade average
1941	96	90.6
1942	82	90.6
1943	94	90.6
1944	98	90.6
1948	83	90.6
1951	76	101.3
1952	123	101.3
1953	121	101.3
1954	114	101.3
1955	93	101.3
1956	116	101.3
1957	82	101.3
1958	89	101.3
1959	98	101.3
1960	84	75
1961	60	75
1962	79	75
1963	119	75
1964	72	75
1965	76	75
1966	69	75
1967	61	75
1968	65	75
1969	65	75
1970	88	80.3
1971	82	80.3
1972	90	80.3
1973	78	80.3
1974	69	80.3
1975	83	80.3
1976	57	80.3
1977	95	80.3

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

First to last qualifying date each year at Jay
Year	First date	Last date
1941	1941-05-19	1941-10-14
1942	1942-05-27	1942-09-19
1943	1943-04-04	1943-09-23
1944	1944-05-13	1944-10-29
1948	1948-04-18	1948-09-24
1951	1951-05-20	1951-10-05
1952	1952-04-30	1952-10-13
1953	1953-05-21	1953-10-14
1954	1954-06-09	1954-10-09
1955	1955-04-17	1955-09-30
1956	1956-04-28	1956-10-12
1957	1957-05-15	1957-09-20
1958	1958-04-23	1958-10-20
1959	1959-04-05	1959-09-28
1960	1960-04-06	1960-10-02
1961	1961-05-07	1961-09-24
1962	1962-04-29	1962-10-11
1963	1963-04-21	1963-10-22
1964	1964-05-20	1964-09-19
1965	1965-04-21	1965-09-18
1966	1966-05-17	1966-10-10
1967	1967-03-11	1967-10-05
1968	1968-04-18	1968-10-16
1969	1969-05-28	1969-10-04
1970	1970-04-28	1970-09-21
1971	1971-06-08	1971-09-30
1972	1972-04-12	1972-09-20
1973	1973-05-10	1973-10-15
1974	1974-03-31	1974-09-11
1975	1975-04-23	1975-10-14
1976	1976-03-02	1976-10-02
1977	1977-05-08	1977-10-27

Every Fixed Threshold

Fixed thresholds at Jay
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	32	123	1952	95
35 C (95 F): Days	30	81	1954	22
40 C (104 F): Days	10	22	1954	1
45 C (113 F): Days	1	6	1954	6
90 F (32.2 C): Days	32	107	1954	64
100 F (37.8 C): Days	23	55	1954	3
110 F (43.3 C): Days	1	11	1954	11
0 C (32 F): Ice days (max	31	16	1948	12
0 C (32 F): Frost days (min	27	112	1948	101
-10 C (14 F): Days with min	27	28	1963	17
-20 C (-4 F): Days with min	11	4	1963	1
20 C (68 F): Tropical nights (min	27	68	1954	4
25 C (77 F): Days with min	15	13	1964	5
10 mm (0.39 in): Days with 10 mm or more rain	33	61	1973	37
25 mm (0.98 in): Days with 25 mm or more rain	33	30	1973	14
50 mm (1.97 in): Days with 50 mm or more rain	31	9	1973	2
100 mm (3.94 in): Days with 100 mm or more rain	16	2	1972	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	4	1969	4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

Data for Jay 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).

Jay Threshold Days by Year (USC00344564)

Key Facts for Jay Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related