Oldfield Threshold Days by Year (USC00236302)

17 fixed thresholds counted per year at Oldfield (USC00236302): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oldfield Thresholds

Oldfield: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1957 with 60.
Oldfield: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1965 with 22.
Oldfield: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1956 with 8.
Oldfield: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1997 with 155.
17 fixed thresholds have at least one qualifying day at Oldfield.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Oldfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 1980.

Days at or above 30 C (86 F) per year at Oldfield
Year	Days	Decade average
1964	72	57
1965	55	57
1966	53	57
1967	44	57
1968	55	57
1969	63	57
1971	73	60.4
1972	70	60.4
1973	68	60.4
1974	54	60.4
1975	64	60.4
1976	40	60.4
1977	63	60.4
1978	70	60.4
1979	42	60.4
1980	97	74.5
1981	52	74.5
1995	62	55.4
1996	45	55.4
1997	43	55.4
1998	69	55.4
1999	58	55.4
2000	60	49.3
2001	47	49.3
2002	41	49.3
2003	49	49.3

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

First to last qualifying date each year at Oldfield
Year	First date	Last date
1964	1964-05-18	1964-10-17
1965	1965-04-21	1965-09-19
1966	1966-05-07	1966-10-12
1967	1967-04-06	1967-10-05
1968	1968-05-02	1968-10-30
1969	1969-05-28	1969-10-04
1971	1971-06-06	1971-09-30
1972	1972-04-11	1972-09-20
1973	1973-06-09	1973-09-26
1974	1974-05-13	1974-08-31
1975	1975-05-20	1975-10-13
1976	1976-06-28	1976-10-03
1977	1977-05-31	1977-09-19
1978	1978-05-27	1978-09-21
1979	1979-05-08	1979-10-21
1980	1980-05-12	1980-10-10
1981	1981-04-14	1981-10-06
1995	1995-05-14	1995-09-15
1996	1996-05-18	1996-09-12
1997	1997-06-20	1997-09-20
1998	1998-05-20	1998-09-30
1999	1999-06-05	1999-09-08
2000	2000-05-09	2000-10-05
2001	2001-04-10	2001-09-08
2002	2002-05-02	2002-10-03
2003	2003-05-31	2003-09-11

Every Fixed Threshold

Fixed thresholds at Oldfield
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	97	1980	49
35 C (95 F): Days	21	57	1980	16
40 C (104 F): Days	2	3	1980	3
90 F (32.2 C): Days	26	79	1980	34
100 F (37.8 C): Days	11	18	1980	4
0 C (32 F): Ice days (max	26	51	1978	20
0 C (32 F): Frost days (min	27	155	1997	121
-10 C (14 F): Days with min	27	45	2002	27
-20 C (-4 F): Days with min	17	7	1979	2
20 C (68 F): Tropical nights (min	25	64	1980	6
25 C (77 F): Days with min	3	1	1966	1
10 mm (0.39 in): Days with 10 mm or more rain	37	60	1957	38
25 mm (0.98 in): Days with 25 mm or more rain	37	22	1965	15
50 mm (1.97 in): Days with 50 mm or more rain	35	8	1956	5
100 mm (3.94 in): Days with 100 mm or more rain	5	2	1979	1
10 cm (3.9 in): Days with 10 cm or more snowfall	21	4	1975	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

Data for Oldfield 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).

Oldfield Threshold Days by Year (USC00236302)

Key Facts for Oldfield Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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