Port Austin Threshold Days by Year (USC00206661)

16 fixed thresholds counted per year at Port Austin (USC00206661): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Port Austin Thresholds

Port Austin: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1901 with 36.
Port Austin: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1914 with 72.
Port Austin: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1909 with 169.
Port Austin: nights with a minimum temperature at or below -10 C (14 F) in 18 years, most in 1912 with 67.
16 fixed thresholds have at least one qualifying day at Port Austin.

Days at or above 30 C (86 F)

19 years with a qualifying day

Days per year at Port Austin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1901.

Days at or above 30 C (86 F) per year at Port Austin
Year	Days	Decade average
1898	22	17
1899	12	17
1900	28	20.3
1901	36	20.3
1902	5	20.3
1903	7	20.3
1908	29	20.3
1909	17	20.3
1912	10	19
1913	23	19
1914	19	19
1915	7	19
1916	30	19
1917	10	19
1918	20	19
1919	33	19
1920	14	17
1922	15	17
1923	22	17

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

First to last qualifying date each year at Port Austin
Year	First date	Last date
1898	1898-06-24	1898-09-22
1899	1899-06-04	1899-09-07
1900	1900-06-24	1900-10-06
1901	1901-06-05	1901-09-06
1902	1902-07-04	1902-07-26
1903	1903-05-18	1903-07-25
1908	1908-06-08	1908-09-27
1909	1909-06-21	1909-09-16
1912	1912-06-25	1912-09-10
1913	1913-06-13	1913-09-07
1914	1914-05-25	1914-09-22
1915	1915-04-24	1915-09-14
1916	1916-07-06	1916-09-12
1917	1917-07-21	1917-08-05
1918	1918-05-31	1918-08-26
1919	1919-06-01	1919-09-09
1920	1920-06-10	1920-09-25
1922	1922-06-07	1922-09-09
1923	1923-06-01	1923-08-12

Every Fixed Threshold

Fixed thresholds at Port Austin
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	19	36	1901	22
35 C (95 F): Days	9	7	1900	2
90 F (32.2 C): Days	17	19	1901	10
100 F (37.8 C): Days	2	1	1901	1
0 C (32 F): Ice days (max	19	72	1914	52
0 C (32 F): Frost days (min	18	169	1909	149
-10 C (14 F): Days with min	18	67	1912	38
-20 C (-4 F): Days with min	17	19	1912	1
-30 C (-22 F): Days with min	4	2	1899	2
20 C (68 F): Tropical nights (min	16	15	1900	4
25 C (77 F): Days with min	3	2	1916	2
10 mm (0.39 in): Days with 10 mm or more rain	15	29	1902	22
25 mm (0.98 in): Days with 25 mm or more rain	15	10	1917	9
50 mm (1.97 in): Days with 50 mm or more rain	6	2	1900	1
10 cm (3.9 in): Days with 10 cm or more snowfall	9	7	1918	3
25 cm (9.8 in): Days with 25 cm or more snowfall	3	2	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Port Austin 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).

Port Austin Threshold Days by Year (USC00206661)

Key Facts for Port Austin Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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