Lytton 2 Threshold Days by Year (CA001114745)

18 fixed thresholds counted per year at Lytton 2 (CA001114745): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lytton 2 Thresholds

Lytton 2: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1939 with 24.
Lytton 2: days with 10 cm (3.9 in) or more of snowfall in 24 years, most in 1933 with 9.
Lytton 2: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1927 with 123.
Lytton 2: nights with a minimum temperature at or below -10 C (14 F) in 23 years, most in 1937 with 43.
18 fixed thresholds have at least one qualifying day at Lytton 2.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at Lytton 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1947.

Days at or above 30 C (86 F) per year at Lytton 2
Year	Days	Decade average
1926	39	39.8
1927	36	39.8
1928	41	39.8
1929	43	39.8
1930	35	38.6
1931	42	38.6
1932	30	38.6
1933	35	38.6
1934	46	38.6
1935	33	38.6
1936	50	38.6
1937	38	38.6
1938	41	38.6
1939	36	38.6
1940	45	40.5
1941	39	40.5
1942	41	40.5
1943	27	40.5
1944	37	40.5
1945	42	40.5
1946	42	40.5
1947	51	40.5

For each year, a bar from the first to the last day at Lytton 2 meeting 30 C (86 F).

First to last qualifying date each year at Lytton 2
Year	First date	Last date
1926	1926-04-26	1926-09-04
1927	1927-06-05	1927-08-22
1928	1928-05-19	1928-09-04
1929	1929-05-21	1929-09-16
1930	1930-05-14	1930-09-04
1931	1931-05-11	1931-08-29
1932	1932-05-28	1932-09-10
1933	1933-06-12	1933-09-08
1934	1934-04-20	1934-09-04
1935	1935-05-27	1935-09-09
1936	1936-04-17	1936-09-06
1937	1937-05-02	1937-09-17
1938	1938-05-20	1938-09-13
1939	1939-05-13	1939-08-27
1940	1940-05-22	1940-09-11
1941	1941-05-11	1941-08-21
1942	1942-05-21	1942-09-25
1943	1943-06-08	1943-09-11
1944	1944-05-14	1944-09-12
1945	1945-05-29	1945-09-01
1946	1946-05-03	1946-09-11
1947	1947-04-16	1947-09-30

Every Fixed Threshold

Fixed thresholds at Lytton 2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	51	1947	51
35 C (95 F): Days	22	19	1942	11
40 C (104 F): Days	5	4	1941	4
90 F (32.2 C): Days	22	34	1942	24
100 F (37.8 C): Days	19	7	1938	3
110 F (43.3 C): Days	1	2	1941	2
0 C (32 F): Ice days (max	22	61	1927	24
0 C (32 F): Frost days (min	23	123	1927	132
-10 C (14 F): Days with min	23	43	1937	25
-20 C (-4 F): Days with min	13	10	1929	2
20 C (68 F): Tropical nights (min	17	8	1940	3
25 C (77 F): Days with min	1	1	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	25	24	1939	18
25 mm (0.98 in): Days with 25 mm or more rain	20	7	1941	2
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1937	1
10 cm (3.9 in): Days with 10 cm or more snowfall	24	9	1933	4
25 cm (9.8 in): Days with 25 cm or more snowfall	12	5	1933	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1937	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Lytton 2 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).

Lytton 2 Threshold Days by Year (CA001114745)

Key Facts for Lytton 2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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