Allen's Rch Threshold Days by Year (USC00420050)

15 fixed thresholds counted per year at Allen's Rch (USC00420050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allen's Rch Thresholds

Allen's Rch: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1971 with 10.
Allen's Rch: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1988 with 86.
Allen's Rch: days with a maximum temperature at or above 35 C (95 F) in 26 years, most in 1964 with 23.
Allen's Rch: days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 1971 with 55.
15 fixed thresholds have at least one qualifying day at Allen's Rch.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Allen's Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 1988.

Days at or above 30 C (86 F) per year at Allen's Rch
Year	Days	Decade average
1963	58	62.7
1964	69	62.7
1966	64	62.7
1967	66	62.7
1968	50	62.7
1969	69	62.7
1970	71	67.5
1971	74	67.5
1972	56	67.5
1973	62	67.5
1974	77	67.5
1975	51	67.5
1976	70	67.5
1977	79	67.5
1980	63	64.6
1981	71	64.6
1982	51	64.6
1983	56	64.6
1984	69	64.6
1985	64	64.6
1986	59	64.6
1987	62	64.6
1988	86	64.6
1989	65	64.6
1990	75	67
1999	59	67

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

First to last qualifying date each year at Allen's Rch
Year	First date	Last date
1963	1963-06-02	1963-09-30
1964	1964-05-16	1964-09-13
1966	1966-05-29	1966-09-22
1967	1967-05-22	1967-09-27
1968	1968-06-02	1968-09-11
1969	1969-05-25	1969-09-07
1970	1970-05-17	1970-09-03
1971	1971-06-14	1971-09-13
1972	1972-05-18	1972-08-28
1973	1973-05-18	1973-08-30
1974	1974-05-27	1974-09-10
1975	1975-06-28	1975-09-09
1976	1976-05-14	1976-09-06
1977	1977-05-31	1977-09-08
1980	1980-06-09	1980-09-30
1981	1981-06-08	1981-09-19
1982	1982-06-27	1982-09-04
1983	1983-06-18	1983-09-18
1984	1984-05-13	1984-09-10
1985	1985-06-06	1985-09-01
1986	1986-05-31	1986-09-05
1987	1987-05-14	1987-09-23
1988	1988-05-26	1988-09-10
1989	1989-05-07	1989-09-07
1990	1990-05-22	1990-09-16
1999	1999-06-18	1999-09-09

Every Fixed Threshold

Fixed thresholds at Allen's Rch
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	86	1988	59
35 C (95 F): Days	26	23	1964	7
40 C (104 F): Days	4	1	1963	1
90 F (32.2 C): Days	26	55	1971	37
100 F (37.8 C): Days	13	6	1989	2
0 C (32 F): Ice days (max	26	38	1984	5
0 C (32 F): Frost days (min	26	205	1970	183
-10 C (14 F): Days with min	26	73	1976	31
-20 C (-4 F): Days with min	25	18	1989	1
-30 C (-22 F): Days with min	5	4	1990	4
20 C (68 F): Tropical nights (min	4	3	1989	3
10 mm (0.39 in): Days with 10 mm or more rain	29	10	1971	9
25 mm (0.98 in): Days with 25 mm or more rain	11	2	1971	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	5	1983	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1964	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Allen's Rch 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).

Allen's Rch Threshold Days by Year (USC00420050)

Key Facts for Allen's Rch Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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