Boyd Threshold Days by Year (USC00410996)

16 fixed thresholds counted per year at Boyd (USC00410996): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boyd Thresholds

Boyd: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1990 with 38.
Boyd: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1997 with 18.
Boyd: days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1974 with 6.
Boyd: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1963 with 167.
16 fixed thresholds have at least one qualifying day at Boyd.

Days at or above 30 C (86 F)

17 years with a qualifying day

Days per year at Boyd with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 167 in 1963.

Days at or above 30 C (86 F) per year at Boyd
Year	Days	Decade average
1958	120	126.5
1959	133	126.5
1960	139	127.6
1961	110	127.6
1962	134	127.6
1963	167	127.6
1964	114	127.6
1965	130	127.6
1966	115	127.6
1967	126	127.6
1968	114	127.6
1969	127	127.6
1970	108	121.4
1971	119	121.4
1972	143	121.4
1974	112	121.4
1975	125	121.4

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

First to last qualifying date each year at Boyd
Year	First date	Last date
1958	1958-04-05	1958-10-25
1959	1959-02-18	1959-10-26
1960	1960-03-23	1960-11-16
1961	1961-04-21	1961-09-30
1962	1962-02-13	1962-10-16
1963	1963-02-02	1963-11-08
1964	1964-04-03	1964-10-18
1965	1965-04-04	1965-11-27
1966	1966-03-23	1966-10-14
1967	1967-03-04	1967-10-14
1968	1968-04-14	1968-10-31
1969	1969-01-09	1969-10-21
1970	1970-05-11	1970-10-23
1971	1971-03-13	1971-10-30
1972	1972-03-23	1972-10-19
1974	1974-03-03	1974-10-19
1975	1975-01-28	1975-10-24

Every Fixed Threshold

Fixed thresholds at Boyd
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	17	167	1963	125
35 C (95 F): Days	17	87	1963	35
40 C (104 F): Days	12	12	1964	4
90 F (32.2 C): Days	17	124	1963	91
100 F (37.8 C): Days	17	38	1963	1
0 C (32 F): Ice days (max	15	10	1963	1
0 C (32 F): Frost days (min	17	92	1963	72
-10 C (14 F): Days with min	15	14	1963	2
20 C (68 F): Tropical nights (min	17	106	1963	46
25 C (77 F): Days with min	15	16	1969	3
10 mm (0.39 in): Days with 10 mm or more rain	47	38	1990	21
25 mm (0.98 in): Days with 25 mm or more rain	47	18	1997	6
50 mm (1.97 in): Days with 50 mm or more rain	46	6	1974	1
100 mm (3.94 in): Days with 100 mm or more rain	17	3	1981	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

Data for Boyd 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).

Boyd Threshold Days by Year (USC00410996)

Key Facts for Boyd Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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