Ashville 4 W Threshold Days by Year (USC00010377)

18 fixed thresholds counted per year at Ashville 4 W (USC00010377): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ashville 4 W Thresholds

Ashville 4 W: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1900 with 57.
Ashville 4 W: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1900 with 24.
Ashville 4 W: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1961 with 10.
Ashville 4 W: nights with a minimum temperature at or below 0 C (32 F) in 20 years, most in 1904 with 81.
18 fixed thresholds have at least one qualifying day at Ashville 4 W.

Days at or above 30 C (86 F)

19 years with a qualifying day

Days per year at Ashville 4 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 1899.

Days at or above 30 C (86 F) per year at Ashville 4 W
Year	Days	Decade average
1897	135	133.3
1898	129	133.3
1899	136	133.3
1900	110	99.6
1901	82	99.6
1902	120	99.6
1903	94	99.6
1904	107	99.6
1905	83	99.6
1906	88	99.6
1907	102	99.6
1908	106	99.6
1909	104	99.6
1910	86	108.7
1911	124	108.7
1913	98	108.7
1914	102	108.7
1916	120	108.7
1919	122	108.7

For each year, a bar from the first to the last day at Ashville 4 W meeting 30 C (86 F).

First to last qualifying date each year at Ashville 4 W
Year	First date	Last date
1897	1897-04-09	1897-10-17
1898	1898-04-30	1898-10-06
1899	1899-04-23	1899-10-21
1900	1900-04-28	1900-10-02
1901	1901-04-30	1901-09-11
1902	1902-04-28	1902-09-23
1903	1903-05-20	1903-10-07
1904	1904-03-21	1904-10-11
1905	1905-04-28	1905-09-28
1906	1906-04-12	1906-09-21
1907	1907-03-20	1907-10-08
1908	1908-03-18	1908-09-30
1909	1909-05-28	1909-10-05
1910	1910-03-24	1910-10-26
1911	1911-03-13	1911-10-08
1913	1913-04-19	1913-09-30
1914	1914-05-06	1914-09-21
1916	1916-04-14	1916-10-15
1919	1919-04-08	1919-10-24

Every Fixed Threshold

Fixed thresholds at Ashville 4 W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	19	136	1899	122
35 C (95 F): Days	19	52	1897	27
40 C (104 F): Days	4	2	1902	2
90 F (32.2 C): Days	19	95	1897	85
100 F (37.8 C): Days	10	19	1897	3
110 F (43.3 C): Days	1	1	1899	1
0 C (32 F): Ice days (max	11	9	1899	3
0 C (32 F): Frost days (min	20	81	1904	55
-10 C (14 F): Days with min	17	9	1905	2
-20 C (-4 F): Days with min	1	2	1899	2
20 C (68 F): Tropical nights (min	20	67	1919	67
25 C (77 F): Days with min	8	2	1897	1
10 mm (0.39 in): Days with 10 mm or more rain	38	57	1900	40
25 mm (0.98 in): Days with 25 mm or more rain	38	24	1900	11
50 mm (1.97 in): Days with 50 mm or more rain	36	10	1961	1
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1942	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1942	1
10 cm (3.9 in): Days with 10 cm or more snowfall	3	1	1958	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Ashville 4 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).

Ashville 4 W Threshold Days by Year (USC00010377)

Key Facts for Ashville 4 W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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