Breien Threshold Days by Year (USC00321052)

19 fixed thresholds counted per year at Breien (USC00321052): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Breien Thresholds

Breien: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1993 with 22.
Breien: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1977 with 6.
Breien: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1988 with 72.
Breien: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1988 with 61.
19 fixed thresholds have at least one qualifying day at Breien.

Days at or above 30 C (86 F)

30 years with a qualifying day

Days per year at Breien with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 72 in 1988.

Days at or above 30 C (86 F) per year at Breien
Year	Days	Decade average
1960	62	46.7
1961	68	46.7
1962	30	46.7
1963	55	46.7
1964	48	46.7
1965	22	46.7
1969	42	46.7
1972	35	39.4
1973	49	39.4
1974	52	39.4
1975	14	39.4
1977	47	39.4
1985	42	55.3
1987	47	55.3
1988	72	55.3
1989	60	55.3
1990	66	40.8
1991	42	40.8
1992	29	40.8
1993	11	40.8
1994	34	40.8
1995	41	40.8
1996	46	40.8
1997	55	40.8
1998	57	40.8
1999	27	40.8
2000	47	55.3
2001	53	55.3
2002	62	55.3
2003	59	55.3

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

First to last qualifying date each year at Breien
Year	First date	Last date
1960	1960-05-12	1960-10-08
1961	1961-04-19	1961-09-18
1962	1962-04-24	1962-10-14
1963	1963-05-07	1963-10-05
1964	1964-05-20	1964-09-17
1965	1965-05-01	1965-08-16
1969	1969-05-14	1969-09-14
1972	1972-05-17	1972-09-19
1973	1973-05-31	1973-09-09
1974	1974-06-03	1974-09-26
1975	1975-05-16	1975-09-16
1977	1977-04-09	1977-09-05
1985	1985-04-29	1985-09-05
1987	1987-04-28	1987-10-03
1988	1988-04-07	1988-09-07
1989	1989-04-22	1989-09-30
1990	1990-04-21	1990-10-05
1991	1991-05-13	1991-10-16
1992	1992-04-30	1992-10-01
1993	1993-05-13	1993-09-11
1994	1994-04-17	1994-09-19
1995	1995-06-14	1995-09-29
1996	1996-06-09	1996-09-09
1997	1997-05-17	1997-10-03
1998	1998-05-17	1998-09-18
1999	1999-06-21	1999-09-22
2000	2000-05-05	2000-09-28
2001	2001-04-28	2001-10-01
2002	2002-05-28	2002-09-17
2003	2003-06-15	2003-10-19

Every Fixed Threshold

Fixed thresholds at Breien
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	30	72	1988	59
35 C (95 F): Days	28	38	1988	23
40 C (104 F): Days	13	5	1988	4
90 F (32.2 C): Days	30	61	1988	41
100 F (37.8 C): Days	23	13	1988	11
110 F (43.3 C): Days	2	2	2002	2
0 C (32 F): Ice days (max	30	97	1996	71
0 C (32 F): Frost days (min	29	211	2002	192
-10 C (14 F): Days with min	29	107	1996	99
-20 C (-4 F): Days with min	29	54	1985	38
-30 C (-22 F): Days with min	27	22	1996	3
-40 C (-40 F): Days with min	7	3	1996	3
20 C (68 F): Tropical nights (min	28	10	2002	6
25 C (77 F): Days with min	3	1	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	35	22	1993	12
25 mm (0.98 in): Days with 25 mm or more rain	33	6	1977	3
50 mm (1.97 in): Days with 50 mm or more rain	15	3	1993	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	5	1992	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

Data for Breien 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).

Breien Threshold Days by Year (USC00321052)

Key Facts for Breien Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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