Richwood 3 NNE Threshold Days by Year (USC00467504)

17 fixed thresholds counted per year at Richwood 3 NNE (USC00467504): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Richwood 3 NNE Thresholds

Richwood 3 NNE: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 1940 with 31.
Richwood 3 NNE: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 1940 with 148.
Richwood 3 NNE: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 1945 with 38.
Richwood 3 NNE: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1945 with 96.
17 fixed thresholds have at least one qualifying day at Richwood 3 NNE.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Richwood 3 NNE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1945.

Days at or above 30 C (86 F) per year at Richwood 3 NNE
Year	Days	Decade average
1931	41	46
1932	76	46
1933	36	46
1934	49	46
1935	26	46
1936	77	46
1938	17	46
1940	27	46.7
1941	41	46.7
1943	46	46.7
1944	63	46.7
1945	96	46.7
1946	12	46.7
1949	42	46.7
1950	5	6
1953	14	6
1954	4	6
1955	7	6
1957	4	6
1959	2	6

For each year, a bar from the first to the last day at Richwood 3 NNE meeting 30 C (86 F).

First to last qualifying date each year at Richwood 3 NNE
Year	First date	Last date
1931	1931-05-28	1931-09-22
1932	1932-05-07	1932-09-21
1933	1933-06-05	1933-09-25
1934	1934-05-20	1934-08-19
1935	1935-04-27	1935-09-18
1936	1936-05-01	1936-10-20
1938	1938-05-04	1938-10-18
1940	1940-06-06	1940-08-17
1941	1941-05-22	1941-10-08
1943	1943-05-19	1943-09-07
1944	1944-06-13	1944-09-07
1945	1945-05-18	1945-09-30
1946	1946-06-10	1946-09-09
1949	1949-05-06	1949-08-31
1950	1950-05-06	1950-09-02
1953	1953-06-21	1953-10-01
1954	1954-07-13	1954-09-06
1955	1955-07-04	1955-08-29
1957	1957-06-16	1957-08-14
1959	1959-07-01	1959-08-15

Every Fixed Threshold

Fixed thresholds at Richwood 3 NNE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	96	1945	2
35 C (95 F): Days	5	14	1936	3
90 F (32.2 C): Days	15	49	1936	1
100 F (37.8 C): Days	1	1	1936	1
0 C (32 F): Ice days (max	21	31	1940	26
0 C (32 F): Frost days (min	21	148	1940	125
-10 C (14 F): Days with min	21	38	1945	28
-20 C (-4 F): Days with min	11	10	1936	3
20 C (68 F): Tropical nights (min	12	19	1945	1
25 C (77 F): Days with min	2	3	1945	3
10 mm (0.39 in): Days with 10 mm or more rain	19	64	1950	47
25 mm (0.98 in): Days with 25 mm or more rain	19	13	1931	9
50 mm (1.97 in): Days with 50 mm or more rain	14	3	1954	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	8	7	1954	6
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1950	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for Richwood 3 NNE 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).

Richwood 3 NNE Threshold Days by Year (USC00467504)

Key Facts for Richwood 3 NNE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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