Ecum Secum Threshold Days by Year

13 fixed thresholds counted per year at Ecum Secum (CA008201700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ecum Secum Thresholds

Ecum Secum: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 1970 with 66.
Ecum Secum: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1972 with 193.
Ecum Secum: nights with a minimum temperature at or below -10 C (14 F) in 42 years, most in 1943 with 60.
Ecum Secum: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1983 with 65.
13 fixed thresholds have at least one qualifying day at Ecum Secum.

Days at or above 30 C (86 F)

6 years with a qualifying day

Days per year at Ecum Secum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1943.

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

First to last qualifying date each year at Ecum Secum
Year	First date	Last date
1943	1943-06-25	1943-06-25
1949	1949-08-09	1949-08-09
1963	1963-06-25	1963-06-25
1968	1968-07-16	1968-07-16
1976	1976-08-23	1976-08-23
1978	1978-07-19	1978-07-19

Every Fixed Threshold

Fixed thresholds at Ecum Secum
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	6	1	1943	1
90 F (32.2 C): Days	1	1	1968	1
0 C (32 F): Ice days (max	42	66	1970	35
0 C (32 F): Frost days (min	42	193	1972	145
-10 C (14 F): Days with min	42	60	1943	33
-20 C (-4 F): Days with min	39	13	1961	2
10 mm (0.39 in): Days with 10 mm or more rain	42	65	1983	65
25 mm (0.98 in): Days with 25 mm or more rain	42	25	1979	21
50 mm (1.97 in): Days with 50 mm or more rain	38	7	1943	7
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1968	1
10 cm (3.9 in): Days with 10 cm or more snowfall	42	14	1956	4
25 cm (9.8 in): Days with 25 cm or more snowfall	16	2	1958	1
50 cm (19.7 in): Days with 50 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 1943.

Download the Data

Data for Ecum Secum 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Ecum Secum Threshold Days by Year

Key Facts for Ecum Secum Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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