Raystown Lake 2 Threshold Days by Year (USC00367312)

18 fixed thresholds counted per year at Raystown Lake 2 (USC00367312): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Raystown Lake 2 Thresholds

Raystown Lake 2: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 2004 with 45.
Raystown Lake 2: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 2011 with 15.
Raystown Lake 2: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1983 with 62.
Raystown Lake 2: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1983 with 40.
18 fixed thresholds have at least one qualifying day at Raystown Lake 2.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Raystown Lake 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1983.

Days at or above 30 C (86 F) per year at Raystown Lake 2
Year	Days	Decade average
1975	35	27.6
1976	17	27.6
1977	34	27.6
1978	32	27.6
1979	20	27.6
1980	42	37
1981	23	37
1982	30	37
1983	62	37
1984	31	37
1985	31	37
1986	37	37
1987	39	37
1988	51	37
1989	24	37
1990	22	30.1
1991	54	30.1
1992	13	30.1
1993	43	30.1
1994	30	30.1
1995	43	30.1
1996	11	30.1
1997	23	30.1
1998	32	30.1
2002	48	35.5
2003	15	35.5
2004	20	35.5
2005	50	35.5
2006	32	35.5
2007	53	35.5
2008	44	35.5
2009	22	35.5
2011	46	46

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

First to last qualifying date each year at Raystown Lake 2
Year	First date	Last date
1975	1975-05-21	1975-08-27
1976	1976-04-18	1976-08-27
1977	1977-05-18	1977-09-06
1978	1978-05-27	1978-09-22
1979	1979-05-09	1979-09-05
1980	1980-06-02	1980-09-23
1981	1981-05-26	1981-08-15
1982	1982-05-13	1982-09-15
1983	1983-06-12	1983-09-21
1984	1984-06-06	1984-09-12
1985	1985-04-22	1985-09-24
1986	1986-05-18	1986-10-01
1987	1987-05-24	1987-08-20
1988	1988-05-30	1988-08-29
1989	1989-06-02	1989-09-11
1990	1990-04-27	1990-09-03
1991	1991-05-15	1991-09-19
1992	1992-05-03	1992-08-27
1993	1993-05-12	1993-09-16
1994	1994-05-31	1994-08-03
1995	1995-06-20	1995-09-11
1996	1996-05-19	1996-08-24
1997	1997-06-21	1997-08-17
1998	1998-05-20	1998-09-28
2002	2002-04-17	2002-09-11
2003	2003-06-25	2003-08-30
2004	2004-05-11	2004-08-30
2005	2005-05-12	2005-09-23
2006	2006-05-30	2006-08-26
2007	2007-05-16	2007-10-10
2008	2008-05-27	2008-09-15
2009	2009-04-26	2009-08-27
2011	2011-05-26	2011-09-06

Every Fixed Threshold

Fixed thresholds at Raystown Lake 2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	62	1983	46
35 C (95 F): Days	17	13	1988	9
40 C (104 F): Days	2	1	1988	1
90 F (32.2 C): Days	33	40	1983	28
100 F (37.8 C): Days	2	3	1988	2
0 C (32 F): Ice days (max	33	53	1977	27
0 C (32 F): Frost days (min	29	150	1980	119
-10 C (14 F): Days with min	29	53	1977	15
-20 C (-4 F): Days with min	11	6	1977	1
20 C (68 F): Tropical nights (min	28	30	2002	25
25 C (77 F): Days with min	3	3	2011	3
10 mm (0.39 in): Days with 10 mm or more rain	34	45	2004	44
25 mm (0.98 in): Days with 25 mm or more rain	34	15	2011	15
50 mm (1.97 in): Days with 50 mm or more rain	20	4	1996	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1996	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	5	1986	3
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1987	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	2003	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

Data for Raystown Lake 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Raystown Lake 2 Threshold Days by Year (USC00367312)

Key Facts for Raystown Lake 2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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