Manneville Threshold Days by Year (CA007084560)

15 fixed thresholds counted per year at Manneville (CA007084560): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Manneville Thresholds

Manneville: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 1959 with 149.
Manneville: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1961 with 240.
Manneville: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 1956 with 146.
Manneville: nights with a minimum temperature at or below -20 C (-4 F) in 31 years, most in 1978 with 90.
15 fixed thresholds have at least one qualifying day at Manneville.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Manneville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1955.

Days at or above 30 C (86 F) per year at Manneville
Year	Days	Decade average
1952	5	5.5
1953	8	5.5
1955	12	5.5
1956	1	5.5
1957	1	5.5
1959	6	5.5
1961	1	3.5
1962	3	3.5
1963	10	3.5
1964	3	3.5
1966	4	3.5
1967	1	3.5
1968	4	3.5
1969	2	3.5
1970	5	3.5
1972	1	3.5
1973	1	3.5
1974	1	3.5
1975	6	3.5
1976	7	3.5
1977	4	3.5
1978	3	3.5
1981	2	4
1982	2	4
1983	8	4

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

First to last qualifying date each year at Manneville
Year	First date	Last date
1952	1952-07-02	1952-08-26
1953	1953-07-13	1953-09-04
1955	1955-06-06	1955-08-20
1956	1956-06-12	1956-06-12
1957	1957-06-18	1957-06-18
1959	1959-06-09	1959-09-09
1961	1961-06-29	1961-06-29
1962	1962-05-16	1962-06-14
1963	1963-06-26	1963-07-28
1964	1964-06-29	1964-07-24
1966	1966-06-24	1966-07-02
1967	1967-07-22	1967-07-22
1968	1968-07-15	1968-07-18
1969	1969-07-15	1969-08-23
1970	1970-06-09	1970-08-15
1972	1972-05-27	1972-05-27
1973	1973-09-02	1973-09-02
1974	1974-07-13	1974-07-13
1975	1975-07-17	1975-08-02
1976	1976-06-05	1976-07-06
1977	1977-05-21	1977-07-20
1978	1978-05-26	1978-08-15
1981	1981-07-06	1981-07-08
1982	1982-07-17	1982-07-18
1983	1983-06-12	1983-07-15

Every Fixed Threshold

Fixed thresholds at Manneville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	12	1955	8
35 C (95 F): Days	1	1	1975	1
90 F (32.2 C): Days	7	5	1953	1
0 C (32 F): Ice days (max	32	149	1959	128
0 C (32 F): Frost days (min	31	240	1961	223
-10 C (14 F): Days with min	31	146	1956	118
-20 C (-4 F): Days with min	31	90	1978	60
-30 C (-22 F): Days with min	31	42	1982	27
-40 C (-40 F): Days with min	27	11	1962	5
20 C (68 F): Tropical nights (min	13	4	1983	4
10 mm (0.39 in): Days with 10 mm or more rain	31	50	1955	27
25 mm (0.98 in): Days with 25 mm or more rain	30	21	1955	1
50 mm (1.97 in): Days with 50 mm or more rain	13	3	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	12	1955	9
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1953	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Manneville 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Manneville Threshold Days by Year (CA007084560)

Key Facts for Manneville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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