Allendale Threshold Days by Year (USC00380124)

14 fixed thresholds counted per year at Allendale (USC00380124): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allendale Thresholds

Allendale: nights with a minimum temperature at or below 0 C (32 F) in 17 years, most in 1910 with 51.
Allendale: nights with a minimum temperature at or above 20 C (68 F) in 17 years, most in 1906 with 121.
Allendale: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1903 with 51.
Allendale: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1912 with 22.
14 fixed thresholds have at least one qualifying day at Allendale.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at Allendale with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 145 in 1910.

Days at or above 30 C (86 F) per year at Allendale
Year	Days	Decade average
1899	124	124
1900	94	111.4
1902	118	111.4
1903	102	111.4
1904	105	111.4
1906	118	111.4
1908	112	111.4
1909	131	111.4
1910	145	128
1911	145	128
1912	119	128
1915	137	128
1916	121	128
1917	114	128
1919	115	128
1920	113	113

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

First to last qualifying date each year at Allendale
Year	First date	Last date
1899	1899-05-03	1899-10-20
1900	1900-04-30	1900-10-01
1902	1902-04-23	1902-10-04
1903	1903-05-21	1903-10-08
1904	1904-04-17	1904-10-12
1906	1906-04-11	1906-10-19
1908	1908-03-09	1908-09-29
1909	1909-03-10	1909-10-11
1910	1910-03-27	1910-10-22
1911	1911-03-14	1911-10-17
1912	1912-03-21	1912-10-11
1915	1915-04-19	1915-10-17
1916	1916-04-14	1916-10-20
1917	1917-04-18	1917-10-20
1919	1919-04-15	1919-11-02
1920	1920-04-21	1920-10-17

Every Fixed Threshold

Fixed thresholds at Allendale
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	145	1910	113
35 C (95 F): Days	16	62	1910	17
40 C (104 F): Days	1	1	1915	1
90 F (32.2 C): Days	16	114	1911	78
100 F (37.8 C): Days	8	11	1911	1
0 C (32 F): Ice days (max	4	4	1917	4
0 C (32 F): Frost days (min	17	51	1910	31
-10 C (14 F): Days with min	6	4	1917	1
20 C (68 F): Tropical nights (min	17	121	1906	83
25 C (77 F): Days with min	13	6	1899	1
10 mm (0.39 in): Days with 10 mm or more rain	17	51	1903	40
25 mm (0.98 in): Days with 25 mm or more rain	17	22	1912	15
50 mm (1.97 in): Days with 50 mm or more rain	16	6	1899	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1903	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Allendale 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).

Allendale Threshold Days by Year (USC00380124)

Key Facts for Allendale Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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