Rodeo Threshold Days by Year (USC00297534)

14 fixed thresholds counted per year at Rodeo (USC00297534): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rodeo Thresholds

Rodeo: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1926 with 20.
Rodeo: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1941 with 5.
Rodeo: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1956 with 157.
Rodeo: days with a maximum temperature at or above 35 C (95 F) in 16 years, most in 1945 with 80.
14 fixed thresholds have at least one qualifying day at Rodeo.

Days at or above 30 C (86 F)

16 years with a qualifying day

Days per year at Rodeo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 157 in 1956.

Days at or above 30 C (86 F) per year at Rodeo
Year	Days	Decade average
1933	138	132.1
1934	145	132.1
1935	93	132.1
1936	137	132.1
1937	150	132.1
1938	122	132.1
1939	140	132.1
1940	139	141
1941	115	141
1942	139	141
1943	146	141
1944	151	141
1945	148	141
1947	149	141
1955	150	153.5
1956	157	153.5

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

First to last qualifying date each year at Rodeo
Year	First date	Last date
1933	1933-05-18	1933-10-09
1934	1934-05-05	1934-10-04
1935	1935-04-14	1935-10-11
1936	1936-04-12	1936-10-18
1937	1937-04-14	1937-10-09
1938	1938-04-18	1938-10-15
1939	1939-04-09	1939-10-01
1940	1940-04-19	1940-10-17
1941	1941-05-06	1941-09-26
1942	1942-04-21	1942-10-11
1943	1943-03-29	1943-10-19
1944	1944-05-10	1944-10-17
1945	1945-04-23	1945-11-04
1947	1947-05-01	1947-10-11
1955	1955-05-04	1955-10-21
1956	1956-03-25	1956-10-22

Every Fixed Threshold

Fixed thresholds at Rodeo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	16	157	1956	157
35 C (95 F): Days	16	80	1945	80
40 C (104 F): Days	12	8	1934	1
90 F (32.2 C): Days	16	134	1956	134
100 F (37.8 C): Days	16	35	1934	24
0 C (32 F): Frost days (min	16	132	1947	131
-10 C (14 F): Days with min	11	13	1956	13
20 C (68 F): Tropical nights (min	16	40	1947	6
25 C (77 F): Days with min	2	10	1947	10
10 mm (0.39 in): Days with 10 mm or more rain	57	20	1926	7
25 mm (0.98 in): Days with 25 mm or more rain	48	5	1941	1
50 mm (1.97 in): Days with 50 mm or more rain	10	1	1917	1
10 cm (3.9 in): Days with 10 cm or more snowfall	8	2	1931	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1944	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

Data for Rodeo 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).

Rodeo Threshold Days by Year (USC00297534)

Key Facts for Rodeo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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