Devils Knob Threshold Days by Year

16 fixed thresholds counted per year at Devils Knob (USC00031982): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Devils Knob Thresholds

Devils Knob: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1945 with 62.
Devils Knob: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1957 with 30.
Devils Knob: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1945 with 10.
Devils Knob: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1958 with 101.
16 fixed thresholds have at least one qualifying day at Devils Knob.

Days at or above 30 C (86 F)

21 years with a qualifying day

Days per year at Devils Knob with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1954.

Days at or above 30 C (86 F) per year at Devils Knob
Year	Days	Decade average
1938	49	55
1939	61	55
1940	27	43
1941	38	43
1942	36	43
1943	64	43
1944	53	43
1945	31	43
1948	59	43
1949	36	43
1950	13	55.5
1951	42	55.5
1953	97	55.5
1954	104	55.5
1955	53	55.5
1956	67	55.5
1957	33	55.5
1958	35	55.5
1960	36	39
1962	47	39
1966	34	39

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

First to last qualifying date each year at Devils Knob
Year	First date	Last date
1938	1938-06-24	1938-10-01
1939	1939-07-05	1939-09-27
1940	1940-06-19	1940-09-09
1941	1941-06-23	1941-10-22
1942	1942-06-02	1942-09-13
1943	1943-05-02	1943-09-15
1944	1944-06-16	1944-09-21
1945	1945-07-19	1945-09-09
1948	1948-04-19	1948-09-22
1949	1949-06-20	1949-09-06
1950	1950-06-14	1950-08-25
1951	1951-05-28	1951-09-03
1953	1953-05-22	1953-10-11
1954	1954-06-09	1954-10-05
1955	1955-04-22	1955-09-21
1956	1956-05-17	1956-10-06
1957	1957-06-11	1957-08-29
1958	1958-04-05	1958-09-06
1960	1960-06-21	1960-09-09
1962	1962-05-18	1962-09-15
1966	1966-06-25	1966-08-19

Every Fixed Threshold

Fixed thresholds at Devils Knob
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	21	104	1954	34
35 C (95 F): Days	14	57	1954	7
40 C (104 F): Days	1	5	1954	5
90 F (32.2 C): Days	21	82	1954	21
100 F (37.8 C): Days	5	16	1954	1
0 C (32 F): Ice days (max	21	26	1940	14
0 C (32 F): Frost days (min	22	101	1958	70
-10 C (14 F): Days with min	22	20	1948	6
-20 C (-4 F): Days with min	7	3	1962	2
20 C (68 F): Tropical nights (min	22	80	1954	31
25 C (77 F): Days with min	12	8	1943	2
10 mm (0.39 in): Days with 10 mm or more rain	27	62	1945	34
25 mm (0.98 in): Days with 25 mm or more rain	27	30	1957	12
50 mm (1.97 in): Days with 50 mm or more rain	26	10	1945	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	8	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 1938.

Download the Data

Data for Devils Knob 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Devils Knob Threshold Days by Year

Key Facts for Devils Knob Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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