Polebridge Threshold Days by Year (USC00246615)

16 fixed thresholds counted per year at Polebridge (USC00246615): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Polebridge Thresholds

Polebridge: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1971 with 30.
Polebridge: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1998 with 51.
Polebridge: days with a maximum temperature at or below 0 C (32 F) in 50 years, most in 1955 with 82.
Polebridge: nights with a minimum temperature at or below 0 C (32 F) in 49 years, most in 2018 with 271.
16 fixed thresholds have at least one qualifying day at Polebridge.

Days at or above 30 C (86 F)

51 years with a qualifying day

Days per year at Polebridge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1998.

Days at or above 30 C (86 F) per year at Polebridge
Year	Days	Decade average
1936	47	40.5
1937	34	40.5
1947	18	11.3
1948	2	11.3
1949	14	11.3
1950	11	16.1
1951	21	16.1
1952	11	16.1
1953	23	16.1
1954	5	16.1
1955	22	16.1
1956	18	16.1
1957	4	16.1
1958	33	16.1
1959	13	16.1
1960	32	18
1961	33	18
1962	8	18
1963	14	18
1964	6	18
1966	15	18
1971	26	15.7
1972	14	15.7
1975	15	15.7
1976	5	15.7
1977	13	15.7
1978	14	15.7
1979	23	15.7
1980	4	17.2
1981	21	17.2
1982	7	17.2
1983	11	17.2
1984	16	17.2
1985	27	17.2
1986	20	17.2
1987	19	17.2
1988	30	17.2
1989	17	17.2
1990	21	19.7
1993	2	19.7
1995	8	19.7
1996	27	19.7
1997	9	19.7
1998	51	19.7
2018	21	16
2019	11	16
2020	23	28.2
2021	41	28.2
2022	33	28.2
2024	26	28.2
2026	18	28.2

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

First to last qualifying date each year at Polebridge
Year	First date	Last date
1936	1936-04-19	1936-08-31
1937	1937-06-28	1937-09-20
1947	1947-07-06	1947-08-03
1948	1948-06-07	1948-06-08
1949	1949-07-09	1949-09-01
1950	1950-06-18	1950-09-04
1951	1951-06-15	1951-08-21
1952	1952-07-08	1952-09-26
1953	1953-07-08	1953-09-14
1954	1954-07-04	1954-07-20
1955	1955-06-21	1955-09-06
1956	1956-07-09	1956-08-24
1957	1957-07-10	1957-08-09
1958	1958-05-27	1958-09-12
1959	1959-06-20	1959-08-02
1960	1960-07-06	1960-09-03
1961	1961-06-15	1961-08-25
1962	1962-07-21	1962-08-17
1963	1963-07-06	1963-09-08
1964	1964-07-07	1964-07-26
1966	1966-07-07	1966-09-07
1971	1971-06-22	1971-08-27
1972	1972-06-06	1972-08-29
1975	1975-07-03	1975-08-06
1976	1976-06-30	1976-08-23
1977	1977-06-07	1977-08-20
1978	1978-06-29	1978-08-10
1979	1979-06-30	1979-08-31
1980	1980-07-09	1980-07-29
1981	1981-07-05	1981-09-19
1982	1982-07-26	1982-08-22
1983	1983-07-20	1983-09-01
1984	1984-07-12	1984-08-23
1985	1985-06-20	1985-08-26
1986	1986-05-27	1986-08-29
1987	1987-06-06	1987-09-02
1988	1988-06-17	1988-09-06
1989	1989-07-08	1989-08-13
1990	1990-06-25	1990-09-10
1993	1993-05-13	1993-06-21
1995	1995-07-09	1995-09-05
1996	1996-06-08	1996-08-31
1997	1997-07-29	1997-08-24
1998	1998-07-10	1998-09-16
2018	2018-07-06	2018-08-16
2019	2019-07-24	2019-08-29
2020	2020-05-31	2020-09-12
2021	2021-06-03	2021-08-16
2022	2022-06-29	2022-09-08
2024	2024-07-08	2024-09-09
2026	2026-07-12	2026-08-28

Every Fixed Threshold

Fixed thresholds at Polebridge
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	51	51	1998	18
35 C (95 F): Days	17	7	1936	5
90 F (32.2 C): Days	43	27	1936	8
100 F (37.8 C): Days	4	2	1936	1
0 C (32 F): Ice days (max	50	82	1955	45
0 C (32 F): Frost days (min	49	271	2018	35
-10 C (14 F): Days with min	49	108	1985	1
-20 C (-4 F): Days with min	48	43	1951	18
-30 C (-22 F): Days with min	46	22	1993	4
-40 C (-40 F): Days with min	16	5	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	52	30	1971	16
25 mm (0.98 in): Days with 25 mm or more rain	31	5	1954	2
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1966	1
10 cm (3.9 in): Days with 10 cm or more snowfall	41	19	1971	4
25 cm (9.8 in): Days with 25 cm or more snowfall	27	6	1954	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Polebridge 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Polebridge Threshold Days by Year (USC00246615)

Key Facts for Polebridge Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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