Round Pond Threshold Days by Year (USC00067002)

6 fixed thresholds counted per year at Round Pond (USC00067002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Round Pond Thresholds

Round Pond: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1983 with 53.
Round Pond: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1983 with 23.
Round Pond: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1983 with 10.
Round Pond: days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 1955 with 3.
6 fixed thresholds have at least one qualifying day at Round Pond.

Days with 10 mm (0.39 in) or more of precipitation

43 years with a qualifying day

Days per year at Round Pond with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1983.

Days with 10 mm (0.39 in) or more of precipitation per year at Round Pond
Year	Days	Decade average
1949	38	38
1950	38	40.4
1951	43	40.4
1952	48	40.4
1953	41	40.4
1954	37	40.4
1955	42	40.4
1956	38	40.4
1957	35	40.4
1958	40	40.4
1959	42	40.4
1960	38	34
1961	40	34
1962	40	34
1963	33	34
1964	32	34
1966	31	34
1967	34	34
1968	32	34
1969	26	34
1971	28	39.5
1972	44	39.5
1978	39	39.5
1979	47	39.5
1980	27	39.6
1981	30	39.6
1982	37	39.6
1983	53	39.6
1984	48	39.6
1986	39	39.6
1987	44	39.6
1988	34	39.6
1989	44	39.6
1990	49	41.1
1991	40	41.1
1992	42	41.1
1994	46	41.1
1995	30	41.1
1998	38	41.1
1999	43	41.1
2000	38	40.3
2001	33	40.3
2002	50	40.3

For each year, a bar from the first to the last day at Round Pond meeting 10 mm (0.39 in).

First to last qualifying date each year at Round Pond
Year	First date	Last date
1949	1949-01-05	1949-12-27
1950	1950-01-10	1950-12-29
1951	1951-01-15	1951-12-26
1952	1952-01-05	1952-12-11
1953	1953-01-10	1953-12-14
1954	1954-01-11	1954-12-30
1955	1955-02-07	1955-11-16
1956	1956-01-10	1956-12-15
1957	1957-01-23	1957-12-26
1958	1958-01-08	1958-12-04
1959	1959-01-02	1959-12-29
1960	1960-01-03	1960-12-30
1961	1961-01-01	1961-12-29
1962	1962-01-07	1962-12-22
1963	1963-01-20	1963-12-24
1964	1964-01-02	1964-12-28
1966	1966-01-03	1966-12-29
1967	1967-01-28	1967-12-29
1968	1968-01-01	1968-12-23
1969	1969-02-10	1969-12-15
1971	1971-01-05	1971-12-29
1972	1972-01-02	1972-12-31
1978	1978-01-09	1978-12-25
1979	1979-01-01	1979-12-25
1980	1980-01-12	1980-11-25
1981	1981-01-07	1981-12-16
1982	1982-01-02	1982-12-17
1983	1983-01-06	1983-12-29
1984	1984-01-11	1984-12-22
1986	1986-01-04	1986-12-25
1987	1987-01-02	1987-12-16
1988	1988-01-04	1988-12-25
1989	1989-01-13	1989-12-16
1990	1990-01-01	1990-12-28
1991	1991-01-10	1991-12-30
1992	1992-01-15	1992-12-31
1994	1994-01-04	1994-12-24
1995	1995-01-01	1995-12-20
1998	1998-01-08	1998-12-30
1999	1999-01-03	1999-12-21
2000	2000-01-05	2000-12-31
2001	2001-01-21	2001-12-24
2002	2002-01-07	2002-12-26

Every Fixed Threshold

Fixed thresholds at Round Pond
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	43	53	1983	50
25 mm (0.98 in): Days with 25 mm or more rain	43	23	1983	17
50 mm (1.97 in): Days with 50 mm or more rain	40	10	1983	2
100 mm (3.94 in): Days with 100 mm or more rain	10	3	1955	1
10 cm (3.9 in): Days with 10 cm or more snowfall	10	5	1952	3
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Round Pond 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).

Round Pond Threshold Days by Year (USC00067002)

Key Facts for Round Pond Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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