Leader 2 Threshold Days by Year (CA004024161)

16 fixed thresholds counted per year at Leader 2 (CA004024161): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leader 2 Thresholds

Leader 2: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1975 with 15.
Leader 2: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1975 with 8.
Leader 2: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1981 with 33.
Leader 2: days with a maximum temperature at or above 90 F (32.2 C) in 18 years, most in 1971 with 20.
16 fixed thresholds have at least one qualifying day at Leader 2.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Leader 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 33 in 1981.

Days at or above 30 C (86 F) per year at Leader 2
Year	Days	Decade average
1953	28	25.3
1957	16	25.3
1958	32	25.3
1960	31	31
1970	32	20.6
1971	27	20.6
1972	21	20.6
1973	20	20.6
1974	15	20.6
1975	16	20.6
1976	14	20.6
1977	14	20.6
1978	19	20.6
1979	28	20.6
1980	17	22.3
1981	33	22.3
1982	16	22.3
1983	23	22.3

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

First to last qualifying date each year at Leader 2
Year	First date	Last date
1953	1953-05-06	1953-09-12
1957	1957-05-03	1957-10-02
1958	1958-05-11	1958-09-13
1960	1960-05-11	1960-09-04
1970	1970-05-16	1970-08-31
1971	1971-05-26	1971-09-06
1972	1972-05-17	1972-08-29
1973	1973-06-13	1973-08-22
1974	1974-06-19	1974-08-05
1975	1975-06-24	1975-09-15
1976	1976-06-19	1976-09-16
1977	1977-04-26	1977-08-18
1978	1978-06-05	1978-09-04
1979	1979-06-12	1979-09-15
1980	1980-04-20	1980-09-07
1981	1981-06-26	1981-09-19
1982	1982-05-25	1982-09-09
1983	1983-05-25	1983-09-26

Every Fixed Threshold

Fixed thresholds at Leader 2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	33	1981	23
35 C (95 F): Days	15	7	1971	4
90 F (32.2 C): Days	18	20	1971	10
100 F (37.8 C): Days	3	3	1971	3
0 C (32 F): Ice days (max	18	113	1971	98
0 C (32 F): Frost days (min	18	217	1970	195
-10 C (14 F): Days with min	18	122	1975	84
-20 C (-4 F): Days with min	18	63	1978	32
-30 C (-22 F): Days with min	18	23	1972	12
-40 C (-40 F): Days with min	9	3	1972	1
20 C (68 F): Tropical nights (min	6	1	1953	1
10 mm (0.39 in): Days with 10 mm or more rain	27	15	1975	10
25 mm (0.98 in): Days with 25 mm or more rain	18	3	1966	2
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1953	1
10 cm (3.9 in): Days with 10 cm or more snowfall	19	8	1975	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1957	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Leader 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).

Leader 2 Threshold Days by Year (CA004024161)

Key Facts for Leader 2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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