St Paul Threshold Days by Year (USC00217377)

18 fixed thresholds counted per year at St Paul (USC00217377): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Paul Thresholds

St Paul: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1988 with 62.
St Paul: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1996 with 104.
St Paul: nights with a minimum temperature at or below 0 C (32 F) in 44 years, most in 1996 with 172.
St Paul: nights with a minimum temperature at or below -10 C (14 F) in 44 years, most in 1978 with 92.
18 fixed thresholds have at least one qualifying day at St Paul.

Days at or above 30 C (86 F)

44 years with a qualifying day

Days per year at St Paul with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1988.

Days at or above 30 C (86 F) per year at St Paul
Year	Days	Decade average
1957	23	27.7
1958	20	27.7
1959	40	27.7
1960	24	25.3
1961	26	25.3
1962	17	25.3
1963	26	25.3
1964	39	25.3
1965	12	25.3
1966	37	25.3
1967	10	25.3
1968	28	25.3
1969	34	25.3
1970	41	29
1971	24	29
1972	23	29
1973	25	29
1974	23	29
1975	31	29
1976	44	29
1977	27	29
1978	32	29
1979	20	29
1980	41	39.2
1981	23	39.2
1982	36	39.2
1983	53	39.2
1984	34	39.2
1985	31	39.2
1986	29	39.2
1987	51	39.2
1988	62	39.2
1989	32	39.2
1990	30	17.9
1991	19	17.9
1993	10	17.9
1994	11	17.9
1995	25	17.9
1996	11	17.9
1997	15	17.9
1999	22	17.9
2000	17	22
2002	27	22
2005	22	22

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

First to last qualifying date each year at St Paul
Year	First date	Last date
1957	1957-06-20	1957-09-02
1958	1958-05-10	1958-08-20
1959	1959-05-01	1959-09-09
1960	1960-07-20	1960-09-07
1961	1961-06-27	1961-09-10
1962	1962-04-25	1962-08-27
1963	1963-05-07	1963-08-20
1964	1964-04-16	1964-09-03
1965	1965-06-27	1965-08-15
1966	1966-05-26	1966-09-01
1967	1967-06-30	1967-08-16
1968	1968-04-30	1968-10-15
1969	1969-05-27	1969-09-15
1970	1970-04-29	1970-09-05
1971	1971-06-04	1971-09-08
1972	1972-05-17	1972-08-29
1973	1973-06-09	1973-08-30
1974	1974-06-29	1974-08-21
1975	1975-05-20	1975-07-31
1976	1976-06-06	1976-09-13
1977	1977-04-10	1977-08-27
1978	1978-06-10	1978-09-11
1979	1979-05-17	1979-09-05
1980	1980-04-21	1980-09-09
1981	1981-06-07	1981-09-13
1982	1982-06-27	1982-09-11
1983	1983-06-10	1983-09-27
1984	1984-05-31	1984-09-20
1985	1985-04-18	1985-09-19
1986	1986-05-29	1986-09-26
1987	1987-04-18	1987-09-27
1988	1988-05-21	1988-09-17
1989	1989-06-19	1989-09-18
1990	1990-05-07	1990-09-13
1991	1991-04-06	1991-08-30
1993	1993-08-09	1993-08-27
1994	1994-05-19	1994-07-19
1995	1995-06-16	1995-08-30
1996	1996-06-12	1996-09-04
1997	1997-06-23	1997-10-03
1999	1999-06-05	1999-09-03
2000	2000-05-04	2000-09-18
2002	2002-04-15	2002-09-09
2005	2005-06-08	2005-09-22

Every Fixed Threshold

Fixed thresholds at St Paul
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	44	62	1988	22
35 C (95 F): Days	20	16	1988	1
40 C (104 F): Days	1	1	1988	1
90 F (32.2 C): Days	42	47	1988	4
100 F (37.8 C): Days	5	5	1988	1
0 C (32 F): Ice days (max	44	104	1996	78
0 C (32 F): Frost days (min	44	172	1996	147
-10 C (14 F): Days with min	44	92	1978	74
-20 C (-4 F): Days with min	44	39	1963	10
-30 C (-22 F): Days with min	18	5	1970	5
20 C (68 F): Tropical nights (min	44	32	1983	17
25 C (77 F): Days with min	15	3	1986	1
10 mm (0.39 in): Days with 10 mm or more rain	43	35	1985	22
25 mm (0.98 in): Days with 25 mm or more rain	43	12	2002	6
50 mm (1.97 in): Days with 50 mm or more rain	27	4	1978	2
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1965	1
10 cm (3.9 in): Days with 10 cm or more snowfall	43	9	1983	3
25 cm (9.8 in): Days with 25 cm or more snowfall	5	3	1982	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

Data for St Paul 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).

St Paul Threshold Days by Year (USC00217377)

Key Facts for St Paul Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related