Dauphin Is #2 Threshold Days by Year (USC00012172)

14 fixed thresholds counted per year at Dauphin Is #2 (USC00012172): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dauphin Is #2 Thresholds

Dauphin Is #2: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 2025 with 139.
Dauphin Is #2: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 2025 with 95.
Dauphin Is #2: nights with a minimum temperature at or above 20 C (68 F) in 41 years, most in 2025 with 207.
Dauphin Is #2: nights with a minimum temperature at or above 25 C (77 F) in 41 years, most in 2025 with 113.
14 fixed thresholds have at least one qualifying day at Dauphin Is #2.

Days at or above 30 C (86 F)

45 years with a qualifying day

Days per year at Dauphin Is #2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 2025.

Days at or above 30 C (86 F) per year at Dauphin Is #2
Year	Days	Decade average
1976	89	100
1977	118	100
1978	109	100
1979	84	100
1980	104	91.2
1981	99	91.2
1982	103	91.2
1984	54	91.2
1985	83	91.2
1986	114	91.2
1987	88	91.2
1988	83	91.2
1989	93	91.2
1990	107	94.3
1991	94	94.3
1992	76	94.3
1993	99	94.3
1994	83	94.3
1995	95	94.3
1996	89	94.3
1997	89	94.3
1998	116	94.3
1999	95	94.3
2000	94	103.9
2001	81	103.9
2002	132	103.9
2003	106	103.9
2004	99	103.9
2005	107	103.9
2006	112	103.9
2007	95	103.9
2008	106	103.9
2009	107	103.9
2010	99	90.5
2011	87	90.5
2012	79	90.5
2013	95	90.5
2014	76	90.5
2015	95	90.5
2016	112	90.5
2018	81	90.5
2022	111	122.5
2023	125	122.5
2025	139	122.5
2026	115	122.5

For each year, a bar from the first to the last day at Dauphin Is #2 meeting 30 C (86 F).

First to last qualifying date each year at Dauphin Is #2
Year	First date	Last date
1976	1976-06-02	1976-10-06
1977	1977-05-09	1977-10-03
1978	1978-05-21	1978-09-25
1979	1979-05-11	1979-09-12
1980	1980-05-14	1980-10-18
1981	1981-05-31	1981-10-11
1982	1982-05-23	1982-10-10
1984	1984-05-29	1984-09-28
1985	1985-04-25	1985-10-25
1986	1986-05-10	1986-10-07
1987	1987-04-23	1987-09-29
1988	1988-04-27	1988-10-02
1989	1989-05-26	1989-09-20
1990	1990-06-04	1990-10-09
1991	1991-05-17	1991-09-25
1992	1992-05-14	1992-09-23
1993	1993-06-06	1993-09-27
1994	1994-05-14	1994-09-30
1995	1995-05-24	1995-09-22
1996	1996-05-22	1996-09-28
1997	1997-06-16	1997-10-02
1998	1998-04-16	1998-10-06
1999	1999-05-26	1999-09-30
2000	2000-05-14	2000-09-26
2001	2001-05-16	2001-09-24
2002	2002-04-26	2002-10-11
2003	2003-05-04	2003-09-29
2004	2004-05-09	2004-10-04
2005	2005-05-23	2005-10-03
2006	2006-05-25	2006-10-06
2007	2007-05-12	2007-10-10
2008	2008-05-12	2008-10-01
2009	2009-05-11	2009-10-16
2010	2010-05-24	2010-09-26
2011	2011-06-01	2011-09-29
2012	2012-05-22	2012-09-09
2013	2013-05-24	2013-10-06
2014	2014-06-07	2014-09-19
2015	2015-05-14	2015-09-25
2016	2016-05-14	2016-10-21
2018	2018-05-14	2018-10-17
2022	2022-05-04	2022-09-28
2023	2023-05-15	2023-10-02
2025	2025-04-27	2025-10-19
2026	2026-03-10	2026-09-30

Every Fixed Threshold

Fixed thresholds at Dauphin Is #2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	45	139	2025	115
35 C (95 F): Days	23	23	2025	9
90 F (32.2 C): Days	45	95	2025	62
100 F (37.8 C): Days	2	1	1993	1
0 C (32 F): Ice days (max	3	1	1982	1
0 C (32 F): Frost days (min	37	17	1978	5
-10 C (14 F): Days with min	3	2	1982	2
20 C (68 F): Tropical nights (min	41	207	2025	172
25 C (77 F): Days with min	41	113	2025	110
10 mm (0.39 in): Days with 10 mm or more rain	41	63	1991	30
25 mm (0.98 in): Days with 25 mm or more rain	41	30	1991	11
50 mm (1.97 in): Days with 50 mm or more rain	41	13	1991	1
100 mm (3.94 in): Days with 100 mm or more rain	30	4	1978	2
200 mm (7.87 in): Days with 200 mm or more rain	5	2	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

Data for Dauphin Is #2 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).

Dauphin Is #2 Threshold Days by Year (USC00012172)

Key Facts for Dauphin Is #2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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