Lewis Run Threshold Days by Year (USC00364983)

5 fixed thresholds counted per year at Lewis Run (USC00364983): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lewis Run Thresholds

Lewis Run: days with 10 cm (3.9 in) or more of snowfall in 28 years, most in 1978 with 10.
Lewis Run: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1974 with 50.
Lewis Run: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1977 with 15.
Lewis Run: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 2004 with 5.
5 fixed thresholds have at least one qualifying day at Lewis Run.

Days with 10 mm (0.39 in) or more of precipitation

27 years with a qualifying day

Days per year at Lewis Run with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Lewis Run
Year	Days	Decade average
1972	37	39.6
1973	42	39.6
1974	50	39.6
1975	39	39.6
1976	40	39.6
1977	40	39.6
1978	36	39.6
1979	33	39.6
1980	33	37.1
1981	32	37.1
1982	34	37.1
1983	47	37.1
1984	42	37.1
1986	33	37.1
1987	43	37.1
1988	26	37.1
1989	44	37.1
1990	47	39.4
1996	47	39.4
1997	42	39.4
1998	27	39.4
1999	34	39.4
2000	30	37.2
2001	28	37.2
2002	45	37.2
2003	41	37.2
2004	42	37.2

For each year, a bar from the first to the last day at Lewis Run meeting 10 mm (0.39 in).

First to last qualifying date each year at Lewis Run
Year	First date	Last date
1972	1972-01-23	1972-12-22
1973	1973-01-04	1973-12-27
1974	1974-01-10	1974-12-25
1975	1975-01-09	1975-12-26
1976	1976-01-08	1976-12-07
1977	1977-03-05	1977-12-21
1978	1978-01-09	1978-12-25
1979	1979-01-01	1979-12-25
1980	1980-01-12	1980-12-03
1981	1981-02-02	1981-12-23
1982	1982-01-01	1982-12-28
1983	1983-02-01	1983-12-29
1984	1984-01-10	1984-12-30
1986	1986-01-20	1986-11-27
1987	1987-01-20	1987-12-29
1988	1988-02-02	1988-12-29
1989	1989-01-08	1989-11-16
1990	1990-01-01	1990-12-31
1996	1996-01-03	1996-12-24
1997	1997-01-06	1997-12-11
1998	1998-01-08	1998-12-22
1999	1999-01-03	1999-12-15
2000	2000-01-04	2000-12-17
2001	2001-03-05	2001-12-18
2002	2002-01-07	2002-12-20
2003	2003-01-02	2003-12-30
2004	2004-01-02	2004-12-24

Every Fixed Threshold

Fixed thresholds at Lewis Run
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	27	50	1974	42
25 mm (0.98 in): Days with 25 mm or more rain	27	15	1977	7
50 mm (1.97 in): Days with 50 mm or more rain	16	5	2004	5
10 cm (3.9 in): Days with 10 cm or more snowfall	28	10	1978	5
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1972	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

Data for Lewis Run 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).

Lewis Run Threshold Days by Year (USC00364983)

Key Facts for Lewis Run Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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