Robstown Threshold Days by Year (USC00417677)

15 fixed thresholds counted per year at Robstown (USC00417677): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Robstown Thresholds

Robstown: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 2007 with 36.
Robstown: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1976 with 17.
Robstown: days with 50 mm (1.97 in) or more of precipitation in 73 years, most in 1928 with 9.
Robstown: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1989 with 202.
15 fixed thresholds have at least one qualifying day at Robstown.

Days at or above 30 C (86 F)

50 years with a qualifying day

Days per year at Robstown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 202 in 1989.

Days at or above 30 C (86 F) per year at Robstown
Year	Days	Decade average
1954	187	174.5
1955	186	174.5
1956	183	174.5
1957	160	174.5
1958	157	174.5
1959	174	174.5
1960	169	172.5
1961	169	172.5
1962	192	172.5
1963	199	172.5
1964	169	172.5
1965	177	172.5
1966	163	172.5
1967	166	172.5
1968	157	172.5
1969	164	172.5
1970	153	162.4
1971	162	162.4
1972	174	162.4
1973	165	162.4
1974	176	162.4
1975	173	162.4
1976	135	162.4
1977	159	162.4
1978	165	162.4
1984	185	191
1987	176	191
1988	201	191
1989	202	191
1990	166	160.1
1991	158	160.1
1992	145	160.1
1993	145	160.1
1994	164	160.1
1995	163	160.1
1996	178	160.1
1997	153	160.1
1998	160	160.1
1999	169	160.1
2000	176	167.3
2001	154	167.3
2002	170	167.3
2003	151	167.3
2004	159	167.3
2005	171	167.3
2006	188	167.3
2007	154	167.3
2008	169	167.3
2009	181	167.3
2010	158	158

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

First to last qualifying date each year at Robstown
Year	First date	Last date
1954	1954-01-21	1954-12-05
1955	1955-03-06	1955-12-25
1956	1956-02-18	1956-11-16
1957	1957-01-10	1957-11-03
1958	1958-04-04	1958-11-18
1959	1959-02-18	1959-11-30
1960	1960-02-10	1960-11-15
1961	1961-03-08	1961-12-10
1962	1962-02-09	1962-11-18
1963	1963-01-11	1963-11-08
1964	1964-03-09	1964-12-26
1965	1965-01-26	1965-11-27
1966	1966-03-03	1966-12-09
1967	1967-03-16	1967-11-27
1968	1968-04-04	1968-12-28
1969	1969-01-23	1969-11-13
1970	1970-03-26	1970-12-23
1971	1971-01-04	1971-11-03
1972	1972-01-23	1972-12-06
1973	1973-03-07	1973-12-31
1974	1974-01-11	1974-12-25
1975	1975-01-27	1975-11-10
1976	1976-02-18	1976-10-05
1977	1977-02-25	1977-12-06
1978	1978-03-01	1978-12-21
1984	1984-02-16	1984-12-22
1987	1987-03-19	1987-12-14
1988	1988-02-29	1988-12-28
1989	1989-01-05	1989-11-28
1990	1990-02-12	1990-11-28
1991	1991-03-02	1991-10-30
1992	1992-03-07	1992-10-31
1993	1993-02-16	1993-12-11
1994	1994-03-22	1994-11-28
1995	1995-03-21	1995-11-11
1996	1996-01-24	1996-11-22
1997	1997-01-05	1997-11-06
1998	1998-03-31	1998-10-18
1999	1999-01-22	1999-12-02
2000	2000-01-03	2000-11-03
2001	2001-02-25	2001-11-03
2002	2002-02-22	2002-10-13
2003	2003-02-04	2003-10-26
2004	2004-04-01	2004-12-10
2005	2005-02-15	2005-11-16
2006	2006-01-02	2006-11-15
2007	2007-02-25	2007-11-22
2008	2008-02-06	2008-12-28
2009	2009-02-28	2009-11-02
2010	2010-04-23	2010-12-22

Every Fixed Threshold

Fixed thresholds at Robstown
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	50	202	1989	158
35 C (95 F): Days	50	99	1962	38
40 C (104 F): Days	14	6	1962	1
90 F (32.2 C): Days	50	153	1962	121
100 F (37.8 C): Days	44	24	1977	3
0 C (32 F): Ice days (max	5	3	1989	1
0 C (32 F): Frost days (min	45	17	1963	8
20 C (68 F): Tropical nights (min	49	190	2000	140
25 C (77 F): Days with min	49	78	1998	52
10 mm (0.39 in): Days with 10 mm or more rain	77	36	2007	4
25 mm (0.98 in): Days with 25 mm or more rain	76	17	1976	6
50 mm (1.97 in): Days with 50 mm or more rain	73	9	1928	1
100 mm (3.94 in): Days with 100 mm or more rain	35	3	1928	1
200 mm (7.87 in): Days with 200 mm or more rain	1	2	1971	2
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	2004	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

Data for Robstown 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Robstown Threshold Days by Year (USC00417677)

Key Facts for Robstown Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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