Tlell Threshold Days by Year

10 fixed thresholds counted per year at Tlell (CA001058190): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tlell Thresholds

Tlell: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1968 with 49.
Tlell: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1983 with 7.
Tlell: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1971 with 136.
Tlell: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 1972 with 25.
10 fixed thresholds have at least one qualifying day at Tlell.

Nights at or below 0 C (32 F)

25 years with a qualifying day

Days per year at Tlell with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 136 in 1971.

Nights at or below 0 C (32 F) per year at Tlell
Year	Days	Decade average
1958	61	61
1960	79	85.7
1961	83	85.7
1962	77	85.7
1963	85	85.7
1964	95	85.7
1965	76	85.7
1966	74	85.7
1967	93	85.7
1968	106	85.7
1969	89	85.7
1970	81	96.9
1971	136	96.9
1972	122	96.9
1973	104	96.9
1974	87	96.9
1975	114	96.9
1976	82	96.9
1977	76	96.9
1978	76	96.9
1979	91	96.9
1980	73	73.3
1981	51	73.3
1982	108	73.3
1983	61	73.3

For each year, a bar from the first to the last day at Tlell meeting 0 C (32 F).

First to last qualifying date each year at Tlell
Year	First date	Last date
1958	1958-01-09	1958-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-05	1961-12-26
1962	1962-01-03	1962-12-31
1963	1963-01-02	1963-12-25
1964	1964-01-04	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-26
1967	1967-01-01	1967-12-29
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-26
1970	1970-01-01	1970-12-31
1971	1971-01-02	1971-12-31
1972	1972-01-01	1972-12-28
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-30
1975	1975-01-01	1975-12-31
1976	1976-01-06	1976-12-31
1977	1977-01-02	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-29
1980	1980-01-04	1980-12-31
1981	1981-01-29	1981-12-31
1982	1982-01-01	1982-12-30
1983	1983-01-03	1983-12-31

Every Fixed Threshold

Fixed thresholds at Tlell
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	1	1	1971	1
90 F (32.2 C): Days	1	1	1971	1
0 C (32 F): Ice days (max	23	25	1972	5
0 C (32 F): Frost days (min	25	136	1971	61
-10 C (14 F): Days with min	13	10	1969	4
10 mm (0.39 in): Days with 10 mm or more rain	33	49	1968	43
25 mm (0.98 in): Days with 25 mm or more rain	32	7	1983	7
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1951	1
10 cm (3.9 in): Days with 10 cm or more snowfall	21	7	1972	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

Data for Tlell 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Tlell Threshold Days by Year

Key Facts for Tlell Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

Related