Arbon 2 NW Threshold Days by Year

16 fixed thresholds counted per year at Arbon 2 NW (USC00100347): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arbon 2 NW Thresholds

Arbon 2 NW: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1983 with 25.
Arbon 2 NW: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1981 with 67.
Arbon 2 NW: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1985 with 92.
Arbon 2 NW: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1981 with 50.
16 fixed thresholds have at least one qualifying day at Arbon 2 NW.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Arbon 2 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1981.

Days at or above 30 C (86 F) per year at Arbon 2 NW
Year	Days	Decade average
1963	39	43.8
1965	19	43.8
1966	60	43.8
1967	55	43.8
1968	41	43.8
1969	49	43.8
1970	49	42.8
1971	47	42.8
1972	34	42.8
1973	38	42.8
1974	61	42.8
1975	36	42.8
1976	39	42.8
1977	44	42.8
1978	29	42.8
1979	51	42.8
1980	38	45
1981	67	45
1982	40	45
1983	30	45
1984	35	45
1985	46	45
1986	43	45
1987	36	45
1988	67	45
1989	48	45
1990	56	36.3
1991	41	36.3
1992	44	36.3
1993	4	36.3
2001	63	63

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

First to last qualifying date each year at Arbon 2 NW
Year	First date	Last date
1963	1963-07-01	1963-09-25
1965	1965-06-22	1965-08-12
1966	1966-05-27	1966-09-23
1967	1967-05-23	1967-09-05
1968	1968-06-03	1968-09-10
1969	1969-06-04	1969-09-07
1970	1970-06-21	1970-09-01
1971	1971-06-21	1971-09-10
1972	1972-05-31	1972-08-27
1973	1973-06-09	1973-08-30
1974	1974-06-12	1974-09-08
1975	1975-07-02	1975-09-09
1976	1976-06-07	1976-09-06
1977	1977-06-03	1977-09-10
1978	1978-07-01	1978-09-03
1979	1979-05-23	1979-09-22
1980	1980-06-20	1980-09-06
1981	1981-06-22	1981-09-18
1982	1982-06-28	1982-09-09
1983	1983-05-28	1983-09-16
1984	1984-05-29	1984-09-19
1985	1985-06-07	1985-08-30
1986	1986-06-02	1986-09-05
1987	1987-06-14	1987-09-24
1988	1988-06-03	1988-09-09
1989	1989-06-19	1989-09-29
1990	1990-06-22	1990-09-22
1991	1991-07-04	1991-09-05
1992	1992-06-11	1992-10-01
1993	1993-07-19	1993-08-19
2001	2001-05-24	2001-09-25

Every Fixed Threshold

Fixed thresholds at Arbon 2 NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	67	1981	63
35 C (95 F): Days	27	14	2001	14
90 F (32.2 C): Days	30	50	1981	30
100 F (37.8 C): Days	3	2	1979	2
0 C (32 F): Ice days (max	31	92	1985	61
0 C (32 F): Frost days (min	29	212	1970	175
-10 C (14 F): Days with min	29	94	1985	54
-20 C (-4 F): Days with min	29	20	1984	6
-30 C (-22 F): Days with min	9	4	1990	4
20 C (68 F): Tropical nights (min	3	1	1967	1
10 mm (0.39 in): Days with 10 mm or more rain	32	25	1983	10
25 mm (0.98 in): Days with 25 mm or more rain	15	4	1983	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	24	10	1967	5
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1968	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Arbon 2 NW 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).

Arbon 2 NW Threshold Days by Year

Key Facts for Arbon 2 NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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