Emmitsburg Threshold Days by Year (USC00182905)

16 fixed thresholds counted per year at Emmitsburg (USC00182905): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Emmitsburg Thresholds

Emmitsburg: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1940 with 54.
Emmitsburg: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1912 with 24.
Emmitsburg: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1912 with 9.
Emmitsburg: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1904 with 122.
16 fixed thresholds have at least one qualifying day at Emmitsburg.

Days at or above 30 C (86 F)

28 years with a qualifying day

Days per year at Emmitsburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1900.

Days at or above 30 C (86 F) per year at Emmitsburg
Year	Days	Decade average
1897	30	41.5
1898	53	41.5
1900	63	36
1901	33	36
1902	51	36
1903	28	36
1904	10	36
1907	22	36
1908	45	36
1911	51	34
1912	43	34
1915	29	34
1916	36	34
1917	13	34
1918	32	34
1921	45	34.3
1922	26	34.3
1923	40	34.3
1924	26	34.3
1933	46	41.8
1934	43	41.8
1936	40	41.8
1939	38	41.8
1940	32	27.3
1945	16	27.3
1948	34	27.3
1950	24	36.5
1955	49	36.5

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

First to last qualifying date each year at Emmitsburg
Year	First date	Last date
1897	1897-04-25	1897-10-16
1898	1898-05-20	1898-10-02
1900	1900-05-13	1900-10-06
1901	1901-04-30	1901-09-08
1902	1902-04-23	1902-09-09
1903	1903-05-01	1903-09-13
1904	1904-05-25	1904-10-10
1907	1907-03-24	1907-09-21
1908	1908-05-12	1908-09-12
1911	1911-05-11	1911-09-07
1912	1912-05-21	1912-09-13
1915	1915-04-25	1915-09-17
1916	1916-05-28	1916-10-08
1917	1917-06-26	1917-09-02
1918	1918-05-06	1918-08-25
1921	1921-04-25	1921-09-04
1922	1922-04-10	1922-10-06
1923	1923-06-02	1923-08-15
1924	1924-05-06	1924-09-02
1933	1933-05-20	1933-09-25
1934	1934-05-05	1934-07-31
1936	1936-05-08	1936-09-13
1939	1939-05-06	1939-10-10
1940	1940-05-14	1940-08-13
1945	1945-06-11	1945-09-29
1948	1948-05-10	1948-09-13
1950	1950-06-07	1950-08-17
1955	1955-05-05	1955-08-22

Every Fixed Threshold

Fixed thresholds at Emmitsburg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	28	63	1900	49
35 C (95 F): Days	21	15	1912	8
90 F (32.2 C): Days	28	46	1900	26
100 F (37.8 C): Days	7	2	1898	2
0 C (32 F): Ice days (max	28	43	1904	21
0 C (32 F): Frost days (min	29	122	1904	103
-10 C (14 F): Days with min	29	29	1940	15
-20 C (-4 F): Days with min	2	1	1904	1
20 C (68 F): Tropical nights (min	29	42	1921	37
25 C (77 F): Days with min	10	6	1901	1
10 mm (0.39 in): Days with 10 mm or more rain	34	54	1940	29
25 mm (0.98 in): Days with 25 mm or more rain	34	24	1912	8
50 mm (1.97 in): Days with 50 mm or more rain	30	9	1912	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1911	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	4	1945	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1945	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Emmitsburg 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).

Emmitsburg Threshold Days by Year (USC00182905)

Key Facts for Emmitsburg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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