Mansfield Hollow Lake Threshold Days by Year (USC00064488)

17 fixed thresholds counted per year at Mansfield Hollow Lake (USC00064488): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mansfield Hollow Lake Thresholds

Mansfield Hollow Lake: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1983 with 56.
Mansfield Hollow Lake: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1972 with 22.
Mansfield Hollow Lake: days with 10 cm (3.9 in) or more of snowfall in 46 years, most in 1961 with 9.
Mansfield Hollow Lake: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1983 with 56.
17 fixed thresholds have at least one qualifying day at Mansfield Hollow Lake.

Days at or above 30 C (86 F)

44 years with a qualifying day

Days per year at Mansfield Hollow Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 56 in 1983.

Days at or above 30 C (86 F) per year at Mansfield Hollow Lake
Year	Days	Decade average
1953	42	34.7
1954	20	34.7
1955	49	34.7
1956	29	34.7
1957	46	34.7
1958	13	34.7
1959	44	34.7
1960	14	24.9
1961	27	24.9
1962	18	24.9
1963	26	24.9
1964	23	24.9
1965	40	24.9
1966	32	24.9
1967	15	24.9
1968	26	24.9
1969	28	24.9
1970	35	24.5
1971	23	24.5
1972	16	24.5
1973	28	24.5
1974	19	24.5
1975	25	24.5
1976	26	24.5
1977	21	24.5
1978	21	24.5
1979	31	24.5
1980	38	27.4
1981	25	27.4
1982	21	27.4
1983	56	27.4
1984	21	27.4
1985	13	27.4
1986	14	27.4
1987	23	27.4
1988	40	27.4
1989	23	27.4
1990	17	15.8
1995	19	15.8
1996	7	15.8
1997	21	15.8
1998	15	15.8
2004	9	23.5
2005	38	23.5

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

First to last qualifying date each year at Mansfield Hollow Lake
Year	First date	Last date
1953	1953-05-10	1953-09-05
1954	1954-06-19	1954-10-13
1955	1955-05-16	1955-08-22
1956	1956-05-31	1956-10-15
1957	1957-04-21	1957-09-14
1958	1958-07-01	1958-09-27
1959	1959-05-13	1959-10-07
1960	1960-06-28	1960-09-09
1961	1961-06-13	1961-09-24
1962	1962-04-28	1962-09-15
1963	1963-05-10	1963-10-08
1964	1964-05-09	1964-08-31
1965	1965-05-11	1965-09-24
1966	1966-06-05	1966-09-03
1967	1967-06-03	1967-08-19
1968	1968-06-07	1968-08-26
1969	1969-05-30	1969-09-08
1970	1970-05-11	1970-09-24
1971	1971-06-08	1971-09-10
1972	1972-07-03	1972-08-27
1973	1973-06-10	1973-09-05
1974	1974-04-30	1974-08-25
1975	1975-05-21	1975-08-15
1976	1976-04-18	1976-08-27
1977	1977-05-18	1977-09-03
1978	1978-05-21	1978-08-30
1979	1979-05-10	1979-10-23
1980	1980-05-24	1980-09-23
1981	1981-05-26	1981-09-15
1982	1982-05-28	1982-09-13
1983	1983-06-13	1983-09-21
1984	1984-06-08	1984-09-01
1985	1985-05-12	1985-09-09
1986	1986-05-19	1986-08-11
1987	1987-05-30	1987-08-20
1988	1988-06-13	1988-08-16
1989	1989-05-20	1989-09-12
1990	1990-04-28	1990-08-28
1995	1995-06-19	1995-08-22
1996	1996-05-21	1996-09-04
1997	1997-06-11	1997-08-18
1998	1998-05-16	1998-08-28
2004	2004-05-13	2004-08-31
2005	2005-06-06	2005-09-15

Every Fixed Threshold

Fixed thresholds at Mansfield Hollow Lake
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	44	56	1983	38
35 C (95 F): Days	18	8	1953	1
90 F (32.2 C): Days	44	33	1983	21
100 F (37.8 C): Days	2	2	1953	1
0 C (32 F): Ice days (max	44	52	1970	33
0 C (32 F): Frost days (min	44	175	1965	155
-10 C (14 F): Days with min	44	61	1970	40
-20 C (-4 F): Days with min	38	18	1961	6
-30 C (-22 F): Days with min	4	3	1961	1
20 C (68 F): Tropical nights (min	41	16	1988	8
10 mm (0.39 in): Days with 10 mm or more rain	50	56	1983	41
25 mm (0.98 in): Days with 25 mm or more rain	50	22	1972	9
50 mm (1.97 in): Days with 50 mm or more rain	44	6	1955	4
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	46	9	1961	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	1978	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Mansfield Hollow Lake 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).

Mansfield Hollow Lake Threshold Days by Year (USC00064488)

Key Facts for Mansfield Hollow Lake Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related