Foldens Threshold Days by Year (CA006142420)

12 fixed thresholds counted per year at Foldens (CA006142420): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Foldens Thresholds

Foldens: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1978 with 92.
Foldens: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1978 with 165.
Foldens: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1978 with 67.
Foldens: nights with a minimum temperature at or below -20 C (-4 F) in 19 years, most in 1970 with 9.
12 fixed thresholds have at least one qualifying day at Foldens.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Foldens with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1971.

Days at or above 30 C (86 F) per year at Foldens
Year	Days	Decade average
1964	12	9.4
1965	6	9.4
1966	12	9.4
1967	4	9.4
1969	13	9.4
1970	6	7
1971	15	7
1972	6	7
1973	14	7
1974	4	7
1975	6	7
1976	2	7
1977	7	7
1978	8	7
1979	2	7
1980	1	4.7
1981	3	4.7
1983	10	4.7

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

First to last qualifying date each year at Foldens
Year	First date	Last date
1964	1964-06-13	1964-07-28
1965	1965-06-28	1965-09-18
1966	1966-06-23	1966-07-25
1967	1967-06-12	1967-06-16
1969	1969-05-29	1969-09-01
1970	1970-07-03	1970-08-26
1971	1971-06-27	1971-09-08
1972	1972-07-12	1972-07-23
1973	1973-06-11	1973-09-04
1974	1974-07-08	1974-08-21
1975	1975-06-22	1975-08-02
1976	1976-06-10	1976-06-15
1977	1977-05-21	1977-09-01
1978	1978-05-27	1978-09-06
1979	1979-07-13	1979-07-14
1980	1980-06-26	1980-06-26
1981	1981-07-07	1981-07-09
1983	1983-06-13	1983-09-10

Every Fixed Threshold

Fixed thresholds at Foldens
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	15	1971	10
90 F (32.2 C): Days	8	4	1973	1
0 C (32 F): Ice days (max	19	92	1978	64
0 C (32 F): Frost days (min	19	165	1978	150
-10 C (14 F): Days with min	19	67	1978	33
-20 C (-4 F): Days with min	19	9	1970	2
20 C (68 F): Tropical nights (min	19	13	1973	13
10 mm (0.39 in): Days with 10 mm or more rain	19	37	1983	37
25 mm (0.98 in): Days with 25 mm or more rain	19	10	1981	10
50 mm (1.97 in): Days with 50 mm or more rain	12	2	1964	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1974	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	4	1973	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

Data for Foldens 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Foldens Threshold Days by Year (CA006142420)

Key Facts for Foldens Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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