Clermont 1 SSE Threshold Days by Year (USC00151611)

18 fixed thresholds counted per year at Clermont 1 SSE (USC00151611): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clermont 1 SSE Thresholds

Clermont 1 SSE: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1955 with 52.
Clermont 1 SSE: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1962 with 21.
Clermont 1 SSE: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1942 with 6.
Clermont 1 SSE: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1953 with 118.
18 fixed thresholds have at least one qualifying day at Clermont 1 SSE.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Clermont 1 SSE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1953.

Days at or above 30 C (86 F) per year at Clermont 1 SSE
Year	Days	Decade average
1941	109	89.7
1942	92	89.7
1947	68	89.7
1953	118	99.7
1954	108	99.7
1955	99	99.7
1956	93	99.7
1957	96	99.7
1958	67	99.7
1959	117	99.7
1960	88	81.7
1961	85	81.7
1962	92	81.7
1963	73	81.7
1964	84	81.7
1965	73	81.7
1966	88	81.7
1967	60	81.7
1968	83	81.7
1969	91	81.7

For each year, a bar from the first to the last day at Clermont 1 SSE meeting 30 C (86 F).

First to last qualifying date each year at Clermont 1 SSE
Year	First date	Last date
1941	1941-04-20	1941-10-10
1942	1942-04-25	1942-10-03
1947	1947-05-16	1947-10-22
1953	1953-05-10	1953-10-22
1954	1954-04-25	1954-10-12
1955	1955-04-18	1955-10-06
1956	1956-04-27	1956-10-01
1957	1957-04-19	1957-09-12
1958	1958-05-14	1958-09-26
1959	1959-05-02	1959-10-06
1960	1960-04-23	1960-09-25
1961	1961-05-15	1961-10-13
1962	1962-04-30	1962-09-14
1963	1963-04-20	1963-10-22
1964	1964-05-18	1964-09-21
1965	1965-04-22	1965-09-21
1966	1966-05-06	1966-09-12
1967	1967-05-25	1967-10-05
1968	1968-05-03	1968-10-15
1969	1969-05-05	1969-10-13

Every Fixed Threshold

Fixed thresholds at Clermont 1 SSE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	118	1953	91
35 C (95 F): Days	18	45	1954	3
40 C (104 F): Days	1	4	1954	4
90 F (32.2 C): Days	20	91	1954	44
100 F (37.8 C): Days	4	14	1954	1
0 C (32 F): Ice days (max	20	24	1963	6
0 C (32 F): Frost days (min	20	135	1941	131
-10 C (14 F): Days with min	20	39	1963	19
-20 C (-4 F): Days with min	16	7	1963	1
-30 C (-22 F): Days with min	1	1	1963	1
20 C (68 F): Tropical nights (min	20	48	1959	22
25 C (77 F): Days with min	1	2	1968	2
10 mm (0.39 in): Days with 10 mm or more rain	23	52	1955	39
25 mm (0.98 in): Days with 25 mm or more rain	23	21	1962	12
50 mm (1.97 in): Days with 50 mm or more rain	21	6	1942	1
100 mm (3.94 in): Days with 100 mm or more rain	2	2	1937	2
10 cm (3.9 in): Days with 10 cm or more snowfall	6	2	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1966	1

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 Clermont 1 SSE 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).

Clermont 1 SSE Threshold Days by Year (USC00151611)

Key Facts for Clermont 1 SSE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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