Hayfork 2 W Threshold Days by Year (USC00043859)

17 fixed thresholds counted per year at Hayfork 2 W (USC00043859): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hayfork 2 W Thresholds

Hayfork 2 W: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1996 with 47.
Hayfork 2 W: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1945 with 18.
Hayfork 2 W: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1982 with 7.
Hayfork 2 W: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1922 with 193.
17 fixed thresholds have at least one qualifying day at Hayfork 2 W.

Days at or above 30 C (86 F)

17 years with a qualifying day

Days per year at Hayfork 2 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 120 in 1924.

Days at or above 30 C (86 F) per year at Hayfork 2 W
Year	Days	Decade average
1915	59	75
1916	59	75
1917	104	75
1918	78	75
1920	74	96.4
1922	102	96.4
1923	78	96.4
1924	120	96.4
1925	71	96.4
1927	100	96.4
1928	109	96.4
1929	117	96.4
1930	101	85.7
1932	67	85.7
1933	89	85.7
1996	84	84
2003	98	98

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

First to last qualifying date each year at Hayfork 2 W
Year	First date	Last date
1915	1915-06-05	1915-09-30
1916	1916-06-06	1916-09-29
1917	1917-06-01	1917-10-12
1918	1918-05-01	1918-09-20
1920	1920-05-06	1920-09-29
1922	1922-05-12	1922-09-29
1923	1923-05-08	1923-10-19
1924	1924-04-05	1924-10-02
1925	1925-03-21	1925-10-21
1927	1927-04-23	1927-10-22
1928	1928-05-04	1928-10-22
1929	1929-05-11	1929-11-03
1930	1930-03-24	1930-11-02
1932	1932-06-09	1932-10-11
1933	1933-04-02	1933-10-22
1996	1996-05-11	1996-10-09
2003	2003-05-21	2003-10-29

Every Fixed Threshold

Fixed thresholds at Hayfork 2 W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	17	120	1924	98
35 C (95 F): Days	17	59	1928	39
40 C (104 F): Days	15	13	1925	7
90 F (32.2 C): Days	17	96	1929	69
100 F (37.8 C): Days	16	32	1928	17
110 F (43.3 C): Days	1	1	1920	1
0 C (32 F): Ice days (max	4	2	1924	2
0 C (32 F): Frost days (min	22	193	1922	100
-10 C (14 F): Days with min	19	30	1929	2
-20 C (-4 F): Days with min	2	1	1932	1
10 mm (0.39 in): Days with 10 mm or more rain	52	47	1996	38
25 mm (0.98 in): Days with 25 mm or more rain	52	18	1945	6
50 mm (1.97 in): Days with 50 mm or more rain	33	7	1982	4
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1959	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	5	1967	3
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1950	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Hayfork 2 W 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).

Hayfork 2 W Threshold Days by Year (USC00043859)

Key Facts for Hayfork 2 W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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