Mt Hebron Rs Threshold Days by Year (USC00045941)

14 fixed thresholds counted per year at Mt Hebron Rs (USC00045941): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Hebron Rs Thresholds

Mt Hebron Rs: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1971 with 12.
Mt Hebron Rs: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1955 with 3.
Mt Hebron Rs: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1952 with 4.
Mt Hebron Rs: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1908 with 60.
14 fixed thresholds have at least one qualifying day at Mt Hebron Rs.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Mt Hebron Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1908.

Days at or above 30 C (86 F) per year at Mt Hebron Rs
Year	Days	Decade average
1907	33	46.5
1908	60	46.5
1949	30	30
1952	44	35.7
1953	33	35.7
1954	35	35.7
1955	47	35.7
1957	19	35.7
1959	36	35.7
1965	17	32.8
1966	28	32.8
1967	51	32.8
1968	37	32.8
1969	31	32.8
1971	38	33
1973	35	33
1974	41	33
1975	18	33

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

First to last qualifying date each year at Mt Hebron Rs
Year	First date	Last date
1907	1907-06-26	1907-09-23
1908	1908-06-13	1908-09-13
1949	1949-06-07	1949-09-23
1952	1952-06-09	1952-10-03
1953	1953-07-05	1953-09-21
1954	1954-05-18	1954-09-27
1955	1955-06-07	1955-09-06
1957	1957-06-04	1957-09-24
1959	1959-05-13	1959-09-10
1965	1965-07-06	1965-10-09
1966	1966-05-26	1966-09-06
1967	1967-06-19	1967-09-29
1968	1968-06-17	1968-09-09
1969	1969-06-04	1969-09-08
1971	1971-07-15	1971-09-14
1973	1973-05-30	1973-09-06
1974	1974-06-11	1974-09-24
1975	1975-06-01	1975-09-09

Every Fixed Threshold

Fixed thresholds at Mt Hebron Rs
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	60	1908	18
35 C (95 F): Days	10	19	1908	1
90 F (32.2 C): Days	18	43	1908	3
100 F (37.8 C): Days	3	3	1908	1
0 C (32 F): Ice days (max	18	28	1949	13
0 C (32 F): Frost days (min	17	251	1908	207
-10 C (14 F): Days with min	17	65	1952	30
-20 C (-4 F): Days with min	12	14	1974	5
-30 C (-22 F): Days with min	1	1	1957	1
10 mm (0.39 in): Days with 10 mm or more rain	40	12	1971	6
25 mm (0.98 in): Days with 25 mm or more rain	24	3	1955	1
50 mm (1.97 in): Days with 50 mm or more rain	3	0	n/a	2
10 cm (3.9 in): Days with 10 cm or more snowfall	20	4	1952	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Mt Hebron Rs 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).

Mt Hebron Rs Threshold Days by Year (USC00045941)

Key Facts for Mt Hebron Rs Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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