Rankin Threshold Days by Year (USC00417431)

15 fixed thresholds counted per year at Rankin (USC00417431): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rankin Thresholds

Rankin: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1971 with 21.
Rankin: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1974 with 9.
Rankin: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1963 with 171.
Rankin: days with a maximum temperature at or above 35 C (95 F) in 18 years, most in 1977 with 95.
15 fixed thresholds have at least one qualifying day at Rankin.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Rankin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 171 in 1963.

Days at or above 30 C (86 F) per year at Rankin
Year	Days	Decade average
1963	171	142.3
1964	145	142.3
1965	150	142.3
1966	132	142.3
1967	140	142.3
1968	128	142.3
1969	130	142.3
1970	132	138.6
1971	123	138.6
1972	149	138.6
1973	134	138.6
1974	135	138.6
1975	143	138.6
1976	118	138.6
1977	157	138.6
1978	148	138.6
1979	147	138.6
1980	147	147

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

First to last qualifying date each year at Rankin
Year	First date	Last date
1963	1963-03-23	1963-11-07
1964	1964-04-02	1964-10-17
1965	1965-04-07	1965-11-25
1966	1966-03-15	1966-10-13
1967	1967-03-03	1967-10-26
1968	1968-04-16	1968-10-31
1969	1969-04-07	1969-10-11
1970	1970-04-11	1970-10-07
1971	1971-03-13	1971-09-26
1972	1972-02-21	1972-10-18
1973	1973-04-20	1973-11-08
1974	1974-03-01	1974-09-12
1975	1975-03-20	1975-10-14
1976	1976-02-09	1976-10-03
1977	1977-03-10	1977-10-29
1978	1978-03-20	1978-10-12
1979	1979-02-14	1979-10-26
1980	1980-02-28	1980-11-08

Every Fixed Threshold

Fixed thresholds at Rankin
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	171	1963	147
35 C (95 F): Days	18	95	1977	86
40 C (104 F): Days	8	17	1980	17
90 F (32.2 C): Days	18	136	1963	123
100 F (37.8 C): Days	18	47	1980	47
0 C (32 F): Ice days (max	11	6	1963	2
0 C (32 F): Frost days (min	18	71	1963	51
-10 C (14 F): Days with min	15	10	1963	1
20 C (68 F): Tropical nights (min	18	99	1977	85
25 C (77 F): Days with min	7	5	1969	2
10 mm (0.39 in): Days with 10 mm or more rain	21	21	1971	4
25 mm (0.98 in): Days with 25 mm or more rain	21	9	1974	1
50 mm (1.97 in): Days with 50 mm or more rain	12	3	1972	2
100 mm (3.94 in): Days with 100 mm or more rain	2	2	1974	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Rankin 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).

Rankin Threshold Days by Year (USC00417431)

Key Facts for Rankin Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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