Waynesville Threshold Days by Year (USC00338870)

15 fixed thresholds counted per year at Waynesville (USC00338870): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waynesville Thresholds

Waynesville: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1911 with 46.
Waynesville: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1905 with 13.
Waynesville: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 1908 with 64.
Waynesville: days with a maximum temperature at or below 0 C (32 F) in 29 years, most in 1904 with 45.
15 fixed thresholds have at least one qualifying day at Waynesville.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Waynesville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 1908.

Days at or above 30 C (86 F) per year at Waynesville
Year	Days	Decade average
1898	61	61
1900	58	38.5
1901	52	38.5
1902	45	38.5
1903	41	38.5
1904	37	38.5
1905	19	38.5
1906	39	38.5
1907	17	38.5
1908	64	38.5
1909	13	38.5
1910	29	40
1911	49	40
1912	17	40
1913	61	40
1914	56	40
1915	15	40
1916	43	40
1917	22	40
1918	44	40
1919	64	40
1920	26	41.9
1921	60	41.9
1922	56	41.9
1923	44	41.9
1924	31	41.9
1925	60	41.9
1926	29	41.9
1927	29	41.9

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

First to last qualifying date each year at Waynesville
Year	First date	Last date
1898	1898-05-19	1898-10-03
1900	1900-05-15	1900-10-05
1901	1901-06-11	1901-09-10
1902	1902-05-03	1902-09-09
1903	1903-05-17	1903-09-16
1904	1904-05-25	1904-09-29
1905	1905-06-07	1905-08-29
1906	1906-05-15	1906-09-18
1907	1907-06-22	1907-08-12
1908	1908-05-27	1908-10-19
1909	1909-06-27	1909-09-14
1910	1910-03-27	1910-10-04
1911	1911-05-18	1911-09-08
1912	1912-07-08	1912-09-10
1913	1913-06-06	1913-10-10
1914	1914-05-25	1914-09-22
1915	1915-04-25	1915-09-16
1916	1916-05-25	1916-10-08
1917	1917-06-26	1917-08-21
1918	1918-05-25	1918-08-23
1919	1919-05-29	1919-10-04
1920	1920-06-09	1920-10-22
1921	1921-05-23	1921-09-20
1922	1922-05-24	1922-10-06
1923	1923-05-31	1923-09-27
1924	1924-06-19	1924-09-01
1925	1925-04-23	1925-09-26
1926	1926-05-07	1926-09-15
1927	1927-05-09	1927-09-18

Every Fixed Threshold

Fixed thresholds at Waynesville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	64	1908	29
35 C (95 F): Days	15	17	1901	1
40 C (104 F): Days	1	1	1901	1
90 F (32.2 C): Days	28	38	1901	13
100 F (37.8 C): Days	4	3	1901	2
0 C (32 F): Ice days (max	29	45	1904	23
0 C (32 F): Frost days (min	29	139	1904	92
-10 C (14 F): Days with min	29	42	1904	14
-20 C (-4 F): Days with min	21	10	1912	1
20 C (68 F): Tropical nights (min	29	39	1921	12
25 C (77 F): Days with min	1	1	1906	1
10 mm (0.39 in): Days with 10 mm or more rain	34	46	1911	42
25 mm (0.98 in): Days with 25 mm or more rain	34	13	1905	13
50 mm (1.97 in): Days with 50 mm or more rain	21	3	1913	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1910	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 Waynesville 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).

Waynesville Threshold Days by Year (USC00338870)

Key Facts for Waynesville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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