Blaine Threshold Days by Year (USC00140877)

17 fixed thresholds counted per year at Blaine (USC00140877): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blaine Thresholds

Blaine: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1993 with 49.
Blaine: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1993 with 22.
Blaine: days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1993 with 8.
Blaine: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1983 with 6.
17 fixed thresholds have at least one qualifying day at Blaine.

Days at or above 30 C (86 F)

23 years with a qualifying day

Days per year at Blaine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 1956.

Days at or above 30 C (86 F) per year at Blaine
Year	Days	Decade average
1956	93	67.8
1957	54	67.8
1958	53	67.8
1959	71	67.8
1960	60	56.5
1961	50	56.5
1962	57	56.5
1963	81	56.5
1964	66	56.5
1965	40	56.5
1966	57	56.5
1967	48	56.5
1968	55	56.5
1969	51	56.5
1970	68	62
1971	68	62
1972	59	62
1973	62	62
1974	52	62
1976	65	62
1977	61	62
1978	75	62
1979	48	62

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

First to last qualifying date each year at Blaine
Year	First date	Last date
1956	1956-04-02	1956-10-13
1957	1957-05-02	1957-09-02
1958	1958-05-28	1958-10-17
1959	1959-05-02	1959-09-23
1960	1960-04-23	1960-10-12
1961	1961-04-20	1961-09-11
1962	1962-04-21	1962-10-12
1963	1963-05-09	1963-10-20
1964	1964-04-17	1964-09-10
1965	1965-04-23	1965-10-11
1966	1966-05-06	1966-10-13
1967	1967-03-30	1967-10-04
1968	1968-03-31	1968-10-31
1969	1969-05-05	1969-10-03
1970	1970-04-28	1970-09-21
1971	1971-04-13	1971-10-02
1972	1972-04-07	1972-10-02
1973	1973-05-19	1973-09-24
1974	1974-05-14	1974-09-19
1976	1976-06-10	1976-10-12
1977	1977-05-16	1977-09-19
1978	1978-05-25	1978-09-19
1979	1979-05-10	1979-10-09

Every Fixed Threshold

Fixed thresholds at Blaine
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	23	93	1956	48
35 C (95 F): Days	23	35	1956	3
40 C (104 F): Days	6	4	1956	1
90 F (32.2 C): Days	23	59	1978	23
100 F (37.8 C): Days	17	14	1956	1
0 C (32 F): Ice days (max	23	61	1960	50
0 C (32 F): Frost days (min	23	148	1970	128
-10 C (14 F): Days with min	23	51	1960	48
-20 C (-4 F): Days with min	23	17	1963	17
20 C (68 F): Tropical nights (min	23	38	1977	31
25 C (77 F): Days with min	7	9	1977	1
10 mm (0.39 in): Days with 10 mm or more rain	49	49	1993	4
25 mm (0.98 in): Days with 25 mm or more rain	49	22	1993	3
50 mm (1.97 in): Days with 50 mm or more rain	44	8	1993	1
100 mm (3.94 in): Days with 100 mm or more rain	8	3	1973	1
10 cm (3.9 in): Days with 10 cm or more snowfall	29	6	1983	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1983	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

Data for Blaine 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).

Blaine Threshold Days by Year (USC00140877)

Key Facts for Blaine Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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