Byrdstown 1 W Threshold Days by Year (USC00401312)

15 fixed thresholds counted per year at Byrdstown 1 W (USC00401312): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Byrdstown 1 W Thresholds

Byrdstown 1 W: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1950 with 60.
Byrdstown 1 W: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1950 with 23.
Byrdstown 1 W: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1945 with 6.
Byrdstown 1 W: nights with a minimum temperature at or below 0 C (32 F) in 17 years, most in 1917 with 100.
15 fixed thresholds have at least one qualifying day at Byrdstown 1 W.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at Byrdstown 1 W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1911.

Days at or above 30 C (86 F) per year at Byrdstown 1 W
Year	Days	Decade average
1897	57	76.7
1898	79	76.7
1899	94	76.7
1900	83	65
1902	70	65
1903	54	65
1909	53	65
1911	104	83.3
1912	63	83.3
1913	101	83.3
1914	96	83.3
1915	70	83.3
1916	67	83.3
1917	70	83.3
1918	78	83.3
1919	101	83.3

For each year, a bar from the first to the last day at Byrdstown 1 W meeting 30 C (86 F).

First to last qualifying date each year at Byrdstown 1 W
Year	First date	Last date
1897	1897-04-24	1897-10-14
1898	1898-05-01	1898-10-02
1899	1899-04-27	1899-09-18
1900	1900-05-07	1900-10-30
1902	1902-04-25	1902-09-23
1903	1903-05-17	1903-09-17
1909	1909-04-18	1909-09-22
1911	1911-05-10	1911-10-07
1912	1912-05-10	1912-10-09
1913	1913-05-03	1913-10-10
1914	1914-04-23	1914-09-26
1915	1915-04-18	1915-09-28
1916	1916-05-10	1916-10-07
1917	1917-04-17	1917-10-17
1918	1918-05-06	1918-10-05
1919	1919-04-09	1919-10-10

Every Fixed Threshold

Fixed thresholds at Byrdstown 1 W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	104	1911	101
35 C (95 F): Days	14	33	1913	9
90 F (32.2 C): Days	16	72	1913	56
100 F (37.8 C): Days	3	4	1914	1
0 C (32 F): Ice days (max	16	19	1899	4
0 C (32 F): Frost days (min	17	100	1917	89
-10 C (14 F): Days with min	17	20	1917	6
-20 C (-4 F): Days with min	9	5	1899	3
20 C (68 F): Tropical nights (min	17	53	1913	21
25 C (77 F): Days with min	8	3	1912	2
10 mm (0.39 in): Days with 10 mm or more rain	30	60	1950	60
25 mm (0.98 in): Days with 25 mm or more rain	30	23	1950	23
50 mm (1.97 in): Days with 50 mm or more rain	26	6	1945	3
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1900	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1941	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 Byrdstown 1 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).

Byrdstown 1 W Threshold Days by Year (USC00401312)

Key Facts for Byrdstown 1 W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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