Cabot Threshold Days by Year (USC00031102)

19 fixed thresholds counted per year at Cabot (USC00031102): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cabot Thresholds

Cabot: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1990 with 58.
Cabot: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 2019 with 27.
Cabot: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 2011 with 10.
Cabot: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 2018 with 129.
19 fixed thresholds have at least one qualifying day at Cabot.

Days at or above 30 C (86 F)

48 years with a qualifying day

Days per year at Cabot with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 2018.

Days at or above 30 C (86 F) per year at Cabot
Year	Days	Decade average
1966	80	83.5
1967	71	83.5
1968	84	83.5
1969	99	83.5
1970	108	96.3
1971	95	96.3
1972	102	96.3
1973	103	96.3
1974	79	96.3
1975	92	96.3
1976	75	96.3
1977	123	96.3
1978	106	96.3
1979	80	96.3
1980	115	99.8
1981	102	99.8
1982	90	99.8
1983	106	99.8
1984	89	99.8
1985	97	99.8
1986	96	99.8
1987	118	99.8
1988	107	99.8
1989	78	99.8
1990	99	73
1991	102	73
1992	70	73
1993	72	73
1994	46	73
1995	75	73
1996	42	73
1997	22	73
1998	116	73
1999	86	73
2000	98	104.7
2004	89	104.7
2007	127	104.7
2010	125	114
2011	119	114
2012	121	114
2013	108	114
2014	101	114
2015	106	114
2016	106	114
2017	96	114
2018	129	114
2019	129	114
2026	107	107

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

First to last qualifying date each year at Cabot
Year	First date	Last date
1966	1966-05-08	1966-10-09
1967	1967-03-12	1967-10-06
1968	1968-05-08	1968-09-23
1969	1969-05-22	1969-10-20
1970	1970-05-05	1970-10-05
1971	1971-05-21	1971-10-30
1972	1972-04-07	1972-10-14
1973	1973-05-10	1973-10-09
1974	1974-03-31	1974-09-20
1975	1975-05-18	1975-10-15
1976	1976-04-11	1976-10-04
1977	1977-03-14	1977-10-01
1978	1978-04-06	1978-10-21
1979	1979-05-08	1979-10-21
1980	1980-04-21	1980-10-10
1981	1981-03-31	1981-10-05
1982	1982-03-16	1982-10-05
1983	1983-05-28	1983-10-04
1984	1984-05-13	1984-09-25
1985	1985-05-13	1985-10-13
1986	1986-05-08	1986-10-03
1987	1987-04-17	1987-09-17
1988	1988-05-09	1988-09-23
1989	1989-03-12	1989-10-12
1990	1990-04-29	1990-09-29
1991	1991-05-12	1991-10-11
1992	1992-05-04	1992-10-24
1993	1993-05-29	1993-10-01
1994	1994-06-01	1994-09-05
1995	1995-05-14	1995-09-30
1996	1996-05-24	1996-09-08
1997	1997-07-02	1997-09-20
1998	1998-05-12	1998-10-04
1999	1999-05-22	1999-10-14
2000	2000-05-11	2000-10-06
2004	2004-05-08	2004-11-08
2007	2007-05-01	2007-10-21
2010	2010-05-06	2010-10-22
2011	2011-04-09	2011-10-17
2012	2012-04-02	2012-09-28
2013	2013-04-17	2013-11-19
2014	2014-05-05	2014-10-27
2015	2015-05-08	2015-10-16
2016	2016-03-16	2016-10-31
2017	2017-03-22	2017-10-15
2018	2018-05-07	2018-10-09
2019	2019-04-10	2019-10-13
2026	2026-03-25	2026-10-14

Every Fixed Threshold

Fixed thresholds at Cabot
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	48	129	2018	107
35 C (95 F): Days	46	75	1980	47
40 C (104 F): Days	15	15	1980	3
90 F (32.2 C): Days	48	101	1980	88
100 F (37.8 C): Days	30	44	1980	21
110 F (43.3 C): Days	3	1	1986	1
0 C (32 F): Ice days (max	43	15	1979	4
0 C (32 F): Frost days (min	47	105	2014	38
-10 C (14 F): Days with min	43	12	1989	10
-20 C (-4 F): Days with min	2	1	1985	1
20 C (68 F): Tropical nights (min	47	94	1998	82
25 C (77 F): Days with min	22	8	2011	6
10 mm (0.39 in): Days with 10 mm or more rain	68	58	1990	21
25 mm (0.98 in): Days with 25 mm or more rain	68	27	2019	12
50 mm (1.97 in): Days with 50 mm or more rain	67	10	2011	3
100 mm (3.94 in): Days with 100 mm or more rain	24	2	1959	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	2	1979	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

Data for Cabot 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).

Cabot Threshold Days by Year (USC00031102)

Key Facts for Cabot Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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