Ridgely Threshold Days by Year (USC00187575)

16 fixed thresholds counted per year at Ridgely (USC00187575): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ridgely Thresholds

Ridgely: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1930 with 99.
Ridgely: days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 1930 with 64.
Ridgely: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1926 with 117.
Ridgely: nights with a minimum temperature at or above 20 C (68 F) in 26 years, most in 1949 with 65.
16 fixed thresholds have at least one qualifying day at Ridgely.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Ridgely with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1930.

Days at or above 30 C (86 F) per year at Ridgely
Year	Days	Decade average
1923	49	50.4
1924	41	50.4
1925	71	50.4
1926	56	50.4
1927	35	50.4
1928	43	50.4
1929	58	50.4
1930	99	66.7
1931	71	66.7
1932	61	66.7
1933	60	66.7
1934	62	66.7
1935	51	66.7
1936	75	66.7
1937	57	66.7
1938	56	66.7
1939	75	66.7
1940	50	63.1
1941	79	63.1
1942	77	63.1
1945	62	63.1
1946	37	63.1
1947	62	63.1
1949	75	63.1
1950	57	62
1951	67	62

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

First to last qualifying date each year at Ridgely
Year	First date	Last date
1923	1923-05-27	1923-09-04
1924	1924-06-07	1924-09-02
1925	1925-05-17	1925-09-28
1926	1926-04-22	1926-10-04
1927	1927-04-20	1927-10-02
1928	1928-05-04	1928-09-13
1929	1929-04-06	1929-09-10
1930	1930-05-01	1930-09-26
1931	1931-05-19	1931-10-07
1932	1932-05-07	1932-09-23
1933	1933-05-24	1933-09-27
1934	1934-05-07	1934-09-22
1935	1935-05-28	1935-09-21
1936	1936-05-08	1936-09-23
1937	1937-05-22	1937-09-04
1938	1938-04-20	1938-10-17
1939	1939-04-25	1939-10-10
1940	1940-05-14	1940-09-21
1941	1941-04-14	1941-10-08
1942	1942-04-06	1942-09-20
1945	1945-03-17	1945-09-29
1946	1946-06-08	1946-09-22
1947	1947-05-13	1947-10-21
1949	1949-05-04	1949-10-11
1950	1950-05-06	1950-11-01
1951	1951-05-16	1951-10-06

Every Fixed Threshold

Fixed thresholds at Ridgely
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	99	1930	67
35 C (95 F): Days	25	23	1930	2
40 C (104 F): Days	3	3	1930	1
90 F (32.2 C): Days	26	64	1930	37
100 F (37.8 C): Days	7	6	1930	3
0 C (32 F): Ice days (max	25	20	1935	7
0 C (32 F): Frost days (min	26	117	1926	75
-10 C (14 F): Days with min	22	24	1940	4
-20 C (-4 F): Days with min	5	2	1934	1
20 C (68 F): Tropical nights (min	26	65	1949	41
25 C (77 F): Days with min	9	8	1949	1
10 mm (0.39 in): Days with 10 mm or more rain	26	49	1937	29
25 mm (0.98 in): Days with 25 mm or more rain	25	17	1924	10
50 mm (1.97 in): Days with 50 mm or more rain	21	6	1933	3
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1935	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	3	1947	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

Data for Ridgely 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).

Ridgely Threshold Days by Year (USC00187575)

Key Facts for Ridgely Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related