Green Lane Threshold Days by Year (USC00363488)

17 fixed thresholds counted per year at Green Lane (USC00363488): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Green Lane Thresholds

Green Lane: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1983 with 46.
Green Lane: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1993 with 21.
Green Lane: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1984 with 4.
Green Lane: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 1991 with 92.
17 fixed thresholds have at least one qualifying day at Green Lane.

Days at or above 30 C (86 F)

14 years with a qualifying day

Days per year at Green Lane with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 92 in 1991.

Days at or above 30 C (86 F) per year at Green Lane
Year	Days	Decade average
1980	89	73.7
1981	67	73.7
1983	87	73.7
1984	68	73.7
1985	77	73.7
1986	68	73.7
1987	73	73.7
1988	73	73.7
1989	61	73.7
1990	71	74.6
1991	92	74.6
1992	56	74.6
1993	80	74.6
1994	74	74.6

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

First to last qualifying date each year at Green Lane
Year	First date	Last date
1980	1980-05-06	1980-09-24
1981	1981-05-23	1981-09-15
1983	1983-04-29	1983-09-21
1984	1984-05-23	1984-09-26
1985	1985-04-20	1985-09-21
1986	1986-05-02	1986-10-01
1987	1987-05-11	1987-09-12
1988	1988-05-24	1988-09-24
1989	1989-05-19	1989-09-22
1990	1990-04-27	1990-09-12
1991	1991-04-09	1991-09-19
1992	1992-05-03	1992-09-23
1993	1993-05-10	1993-09-16
1994	1994-04-26	1994-09-18

Every Fixed Threshold

Fixed thresholds at Green Lane
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	14	92	1991	74
35 C (95 F): Days	14	33	1988	14
40 C (104 F): Days	1	3	1988	3
90 F (32.2 C): Days	14	67	1983	51
100 F (37.8 C): Days	8	12	1988	4
0 C (32 F): Ice days (max	14	21	1989	16
0 C (32 F): Frost days (min	8	92	1988	86
-10 C (14 F): Days with min	8	21	1994	21
-20 C (-4 F): Days with min	1	3	1994	3
20 C (68 F): Tropical nights (min	8	46	1994	46
25 C (77 F): Days with min	2	1	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	20	46	1983	32
25 mm (0.98 in): Days with 25 mm or more rain	20	21	1993	8
50 mm (1.97 in): Days with 50 mm or more rain	17	4	1984	3
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1985	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	3	2016	3
25 cm (9.8 in): Days with 25 cm or more snowfall	1	2	2016	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

Data for Green Lane 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Green Lane Threshold Days by Year (USC00363488)

Key Facts for Green Lane Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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