Janov Stan Threshold Days by Year (RSM00023463)

13 fixed thresholds counted per year at Janov Stan (RSM00023463): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Janov Stan Thresholds

Janov Stan: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1968 with 268.
Janov Stan: nights with a minimum temperature at or below -10 C (14 F) in 52 years, most in 1998 with 212.
Janov Stan: nights with a minimum temperature at or below -20 C (-4 F) in 52 years, most in 1966 with 161.
Janov Stan: nights with a minimum temperature at or below -30 C (-22 F) in 52 years, most in 1960 with 109.
13 fixed thresholds have at least one qualifying day at Janov Stan.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at Janov Stan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2012.

Days at or above 30 C (86 F) per year at Janov Stan
Year	Days	Decade average
1959	2	2
1967	8	6.3
1968	5	6.3
1969	6	6.3
1973	2	2.4
1975	4	2.4
1976	1	2.4
1977	4	2.4
1979	1	2.4
1981	2	3.4
1982	5	3.4
1983	5	3.4
1984	5	3.4
1986	2	3.4
1987	4	3.4
1989	1	3.4
1990	8	4.3
1992	2	4.3
1998	5	4.3
1999	2	4.3
2000	2	5.5
2001	4	5.5
2002	13	5.5
2003	3	5.5
2004	8	5.5
2005	2	5.5
2006	5	5.5
2007	11	5.5
2008	1	5.5
2009	6	5.5
2011	3	8.2
2012	16	8.2
2013	10	8.2
2014	5	8.2
2015	4	8.2
2016	11	8.2

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

First to last qualifying date each year at Janov Stan
Year	First date	Last date
1959	1959-06-27	1959-06-28
1967	1967-07-06	1967-07-16
1968	1968-07-13	1968-07-18
1969	1969-07-04	1969-07-10
1973	1973-07-13	1973-07-14
1975	1975-07-08	1975-07-22
1976	1976-06-26	1976-06-26
1977	1977-06-27	1977-06-30
1979	1979-07-05	1979-07-05
1981	1981-06-19	1981-06-20
1982	1982-07-29	1982-08-10
1983	1983-06-24	1983-06-29
1984	1984-06-12	1984-06-25
1986	1986-06-19	1986-06-20
1987	1987-07-08	1987-07-13
1989	1989-07-21	1989-07-21
1990	1990-07-05	1990-07-17
1992	1992-07-06	1992-07-07
1998	1998-08-10	1998-08-17
1999	1999-07-15	1999-07-28
2000	2000-06-15	2000-06-16
2001	2001-08-04	2001-08-07
2002	2002-06-18	2002-07-28
2003	2003-06-25	2003-07-08
2004	2004-06-13	2004-06-27
2005	2005-07-25	2005-07-26
2006	2006-06-26	2006-07-22
2007	2007-06-24	2007-07-20
2008	2008-09-02	2008-09-02
2009	2009-07-08	2009-07-19
2011	2011-05-29	2011-06-07
2012	2012-06-07	2012-07-27
2013	2013-07-15	2013-07-25
2014	2014-06-15	2014-07-03
2015	2015-06-06	2015-07-19
2016	2016-06-09	2016-07-22

Every Fixed Threshold

Fixed thresholds at Janov Stan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	16	2012	11
35 C (95 F): Days	4	2	2013	2
90 F (32.2 C): Days	19	9	2012	3
0 C (32 F): Ice days (max	49	216	1998	178
0 C (32 F): Frost days (min	52	268	1968	243
-10 C (14 F): Days with min	52	212	1998	166
-20 C (-4 F): Days with min	52	161	1966	100
-30 C (-22 F): Days with min	52	109	1960	57
-40 C (-40 F): Days with min	52	54	1969	7
20 C (68 F): Tropical nights (min	5	1	1984	1
10 mm (0.39 in): Days with 10 mm or more rain	52	12	1986	2
25 mm (0.98 in): Days with 25 mm or more rain	18	3	1986	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

Data for Janov Stan 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).

Janov Stan Threshold Days by Year (RSM00023463)

Key Facts for Janov Stan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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