Ricardo Threshold Days by Year (USC00417580)

15 fixed thresholds counted per year at Ricardo (USC00417580): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ricardo Thresholds

Ricardo: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1919 with 37.
Ricardo: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1919 with 16.
Ricardo: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1914 with 6.
Ricardo: days with 100 mm (3.94 in) or more of precipitation in 21 years, most in 1919 with 2.
15 fixed thresholds have at least one qualifying day at Ricardo.

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at Ricardo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 209 in 1925.

Days at or above 30 C (86 F) per year at Ricardo
Year	Days	Decade average
1910	203	179.1
1914	174	179.1
1915	183	179.1
1916	207	179.1
1917	192	179.1
1918	174	179.1
1919	121	179.1
1920	146	176
1921	153	176
1923	165	176
1924	199	176
1925	209	176
1926	184	176

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

First to last qualifying date each year at Ricardo
Year	First date	Last date
1910	1910-01-12	1910-11-26
1914	1914-01-09	1914-10-20
1915	1915-03-24	1915-12-31
1916	1916-01-08	1916-12-25
1917	1917-01-09	1917-11-30
1918	1918-01-27	1918-11-14
1919	1919-02-11	1919-11-08
1920	1920-03-10	1920-10-31
1921	1921-02-21	1921-12-30
1923	1923-01-07	1923-12-26
1924	1924-02-02	1924-12-18
1925	1925-01-16	1925-12-02
1926	1926-02-08	1926-12-08

Every Fixed Threshold

Fixed thresholds at Ricardo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	209	1925	184
35 C (95 F): Days	13	93	1915	78
40 C (104 F): Days	8	5	1914	2
90 F (32.2 C): Days	13	174	1925	136
100 F (37.8 C): Days	12	28	1914	16
0 C (32 F): Ice days (max	1	1	1924	1
0 C (32 F): Frost days (min	13	34	1925	16
-10 C (14 F): Days with min	1	1	1918	1
20 C (68 F): Tropical nights (min	13	148	1918	115
25 C (77 F): Days with min	9	5	1915	2
10 mm (0.39 in): Days with 10 mm or more rain	55	37	1919	12
25 mm (0.98 in): Days with 25 mm or more rain	55	16	1919	2
50 mm (1.97 in): Days with 50 mm or more rain	43	6	1914	1
100 mm (3.94 in): Days with 100 mm or more rain	21	2	1919	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1919	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

Data for Ricardo 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).

Ricardo Threshold Days by Year (USC00417580)

Key Facts for Ricardo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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