Rector 3 SSW Threshold Days by Year

17 fixed thresholds counted per year at Rector 3 SSW (USC00367338): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rector 3 SSW Thresholds

Rector 3 SSW: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2005 with 57.
Rector 3 SSW: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1978 with 49.
Rector 3 SSW: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1983 with 49.
Rector 3 SSW: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1979 with 16.
17 fixed thresholds have at least one qualifying day at Rector 3 SSW.

Days at or above 30 C (86 F)

30 years with a qualifying day

Days per year at Rector 3 SSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 2005.

Days at or above 30 C (86 F) per year at Rector 3 SSW
Year	Days	Decade average
1976	16	21.5
1977	26	21.5
1978	26	21.5
1979	18	21.5
1980	33	29.5
1981	16	29.5
1982	25	29.5
1983	47	29.5
1984	24	29.5
1985	18	29.5
1986	24	29.5
1987	37	29.5
1988	50	29.5
1989	21	29.5
1990	26	31.4
1991	55	31.4
1992	11	31.4
1993	44	31.4
1994	26	31.4
1996	21	31.4
1997	25	31.4
1998	29	31.4
1999	46	31.4
2000	15	32.6
2001	36	32.6
2002	55	32.6
2003	18	32.6
2004	20	32.6
2005	57	32.6
2006	27	32.6

For each year, a bar from the first to the last day at Rector 3 SSW meeting 30 C (86 F).

First to last qualifying date each year at Rector 3 SSW
Year	First date	Last date
1976	1976-04-18	1976-09-10
1977	1977-05-21	1977-09-03
1978	1978-05-30	1978-09-22
1979	1979-05-09	1979-09-07
1980	1980-05-30	1980-09-14
1981	1981-06-03	1981-08-29
1982	1982-05-07	1982-09-15
1983	1983-05-08	1983-09-21
1984	1984-05-23	1984-09-23
1985	1985-04-23	1985-09-10
1986	1986-04-29	1986-09-30
1987	1987-05-29	1987-08-22
1988	1988-05-31	1988-08-29
1989	1989-05-20	1989-09-22
1990	1990-04-27	1990-08-29
1991	1991-05-14	1991-09-19
1992	1992-05-18	1992-08-28
1993	1993-05-11	1993-09-15
1994	1994-06-13	1994-08-13
1996	1996-05-19	1996-08-24
1997	1997-06-21	1997-09-19
1998	1998-04-01	1998-09-27
1999	1999-05-31	1999-09-13
2000	2000-05-08	2000-09-11
2001	2001-04-24	2001-09-10
2002	2002-04-17	2002-09-21
2003	2003-07-02	2003-08-29
2004	2004-04-21	2004-08-30
2005	2005-06-06	2005-10-07
2006	2006-05-30	2006-08-27

Every Fixed Threshold

Fixed thresholds at Rector 3 SSW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	30	57	2005	27
35 C (95 F): Days	6	7	1988	1
90 F (32.2 C): Days	29	35	1988	12
100 F (37.8 C): Days	1	1	1988	1
0 C (32 F): Ice days (max	30	49	1978	13
0 C (32 F): Frost days (min	25	176	1994	135
-10 C (14 F): Days with min	25	57	1989	8
-20 C (-4 F): Days with min	22	13	1981	4
-30 C (-22 F): Days with min	3	4	1994	4
20 C (68 F): Tropical nights (min	16	11	2006	11
10 mm (0.39 in): Days with 10 mm or more rain	30	49	1983	34
25 mm (0.98 in): Days with 25 mm or more rain	30	16	1979	9
50 mm (1.97 in): Days with 50 mm or more rain	17	2	1979	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2004	1
10 cm (3.9 in): Days with 10 cm or more snowfall	14	7	1994	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1994	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1994	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

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Data for Rector 3 SSW 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Rector 3 SSW Threshold Days by Year

Key Facts for Rector 3 SSW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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