Hoosac Tunnel Threshold Days by Year

16 fixed thresholds counted per year at Hoosac Tunnel (USC00193713): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hoosac Tunnel Thresholds

Hoosac Tunnel: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1951 with 56.
Hoosac Tunnel: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1937 with 17.
Hoosac Tunnel: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1955 with 39.
Hoosac Tunnel: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1960 with 68.
16 fixed thresholds have at least one qualifying day at Hoosac Tunnel.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Hoosac Tunnel with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1955.

Days at or above 30 C (86 F) per year at Hoosac Tunnel
Year	Days	Decade average
1931	20	21.7
1933	27	21.7
1934	21	21.7
1935	15	21.7
1936	24	21.7
1937	27	21.7
1938	18	21.7
1941	20	26
1942	27	26
1943	28	26
1944	37	26
1945	29	26
1946	12	26
1947	21	26
1948	24	26
1949	36	26
1950	18	22.9
1951	25	22.9
1952	35	22.9
1953	36	22.9
1954	12	22.9
1955	39	22.9
1956	12	22.9
1957	19	22.9
1958	4	22.9
1959	29	22.9
1960	5	11.8
1961	13	11.8
1962	8	11.8
1963	14	11.8
1964	16	11.8
1965	12	11.8
1966	14	11.8
1967	7	11.8
1968	14	11.8
1969	15	11.8
1970	18	12.3
1971	11	12.3
1972	8	12.3

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

First to last qualifying date each year at Hoosac Tunnel
Year	First date	Last date
1931	1931-05-29	1931-09-22
1933	1933-06-03	1933-08-14
1934	1934-05-22	1934-08-14
1935	1935-07-05	1935-08-19
1936	1936-05-08	1936-09-23
1937	1937-05-31	1937-09-04
1938	1938-06-07	1938-08-16
1941	1941-04-20	1941-09-16
1942	1942-05-30	1942-09-17
1943	1943-06-03	1943-09-06
1944	1944-05-04	1944-09-01
1945	1945-04-13	1945-09-08
1946	1946-05-25	1946-08-09
1947	1947-06-11	1947-09-12
1948	1948-06-24	1948-09-14
1949	1949-05-05	1949-10-11
1950	1950-06-08	1950-09-10
1951	1951-05-17	1951-10-06
1952	1952-06-04	1952-09-14
1953	1953-05-11	1953-09-06
1954	1954-06-02	1954-08-26
1955	1955-05-30	1955-08-23
1956	1956-06-13	1956-09-06
1957	1957-04-28	1957-09-23
1958	1958-06-26	1958-09-01
1959	1959-05-23	1959-09-25
1960	1960-06-06	1960-09-09
1961	1961-05-16	1961-09-12
1962	1962-04-28	1962-09-02
1963	1963-06-27	1963-07-30
1964	1964-05-24	1964-09-12
1965	1965-05-27	1965-08-18
1966	1966-06-07	1966-08-12
1967	1967-06-05	1967-07-11
1968	1968-06-07	1968-08-26
1969	1969-05-30	1969-09-02
1970	1970-05-02	1970-09-23
1971	1971-05-20	1971-08-20
1972	1972-07-13	1972-08-27

Every Fixed Threshold

Fixed thresholds at Hoosac Tunnel
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	39	1955	8
35 C (95 F): Days	10	5	1944	1
90 F (32.2 C): Days	36	21	1944	1
0 C (32 F): Ice days (max	39	68	1960	55
0 C (32 F): Frost days (min	39	191	1956	178
-10 C (14 F): Days with min	39	77	1970	64
-20 C (-4 F): Days with min	37	25	1948	6
-30 C (-22 F): Days with min	3	4	1943	4
20 C (68 F): Tropical nights (min	13	2	1948	2
10 mm (0.39 in): Days with 10 mm or more rain	40	56	1951	48
25 mm (0.98 in): Days with 25 mm or more rain	40	17	1937	15
50 mm (1.97 in): Days with 50 mm or more rain	29	7	1955	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1938	1
10 cm (3.9 in): Days with 10 cm or more snowfall	30	13	1956	9
25 cm (9.8 in): Days with 25 cm or more snowfall	23	3	1933	2
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1947	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.

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Data for Hoosac Tunnel 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Hoosac Tunnel Threshold Days by Year

Key Facts for Hoosac Tunnel Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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