Leola Threshold Days by Year (USC00034134)

19 fixed thresholds counted per year at Leola (USC00034134): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Leola Thresholds

Leola: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 2009 with 61.
Leola: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 2009 with 32.
Leola: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 2009 with 12.
Leola: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 2010 with 145.
19 fixed thresholds have at least one qualifying day at Leola.

Days at or above 30 C (86 F)

40 years with a qualifying day

Days per year at Leola with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 145 in 2010.

Days at or above 30 C (86 F) per year at Leola
Year	Days	Decade average
1963	134	108.7
1964	111	108.7
1965	113	108.7
1966	99	108.7
1967	97	108.7
1968	102	108.7
1969	105	108.7
1970	103	105.2
1971	102	105.2
1972	121	105.2
1973	103	105.2
1974	91	105.2
1975	111	105.2
1976	82	105.2
1977	134	105.2
1979	100	105.2
1980	125	104.6
1981	103	104.6
1982	106	104.6
1983	91	104.6
1984	100	104.6
1986	112	104.6
1987	95	104.6
1990	106	98.8
1991	85	98.8
1993	106	98.8
1995	98	98.8
2002	107	105.3
2003	95	105.3
2004	86	105.3
2005	126	105.3
2006	122	105.3
2007	117	105.3
2008	99	105.3
2009	90	105.3
2010	145	126.2
2011	133	126.2
2012	126	126.2
2013	115	126.2
2014	112	126.2

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

First to last qualifying date each year at Leola
Year	First date	Last date
1963	1963-03-28	1963-10-27
1964	1964-04-19	1964-10-17
1965	1965-04-07	1965-10-11
1966	1966-03-31	1966-10-09
1967	1967-03-11	1967-10-06
1968	1968-05-02	1968-10-15
1969	1969-04-16	1969-10-20
1970	1970-05-05	1970-10-05
1971	1971-05-07	1971-10-14
1972	1972-04-12	1972-10-16
1973	1973-05-09	1973-10-09
1974	1974-03-31	1974-09-20
1975	1975-04-18	1975-10-15
1976	1976-05-12	1976-10-04
1977	1977-04-10	1977-10-01
1979	1979-04-16	1979-10-21
1980	1980-04-21	1980-10-10
1981	1981-03-31	1981-10-05
1982	1982-03-19	1982-10-05
1983	1983-05-27	1983-10-03
1984	1984-04-24	1984-10-31
1986	1986-02-20	1986-10-04
1987	1987-04-17	1987-09-26
1990	1990-04-23	1990-10-06
1991	1991-05-12	1991-10-12
1993	1993-05-05	1993-10-07
1995	1995-03-22	1995-10-19
2002	2002-04-15	2002-10-07
2003	2003-04-14	2003-10-23
2004	2004-05-07	2004-10-20
2005	2005-04-29	2005-10-19
2006	2006-03-12	2006-10-18
2007	2007-04-02	2007-10-18
2008	2008-04-22	2008-09-30
2009	2009-04-23	2009-10-09
2010	2010-04-23	2010-10-28
2011	2011-04-04	2011-10-18
2012	2012-04-01	2012-10-06
2013	2013-04-10	2013-10-05
2014	2014-04-04	2014-10-27

Every Fixed Threshold

Fixed thresholds at Leola
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	40	145	2010	112
35 C (95 F): Days	40	80	1980	9
40 C (104 F): Days	9	13	1980	9
90 F (32.2 C): Days	40	117	2010	63
100 F (37.8 C): Days	26	44	1980	5
110 F (43.3 C): Days	1	1	2011	1
0 C (32 F): Ice days (max	29	10	1983	3
0 C (32 F): Frost days (min	39	88	2003	73
-10 C (14 F): Days with min	29	12	1964	7
-20 C (-4 F): Days with min	1	1	1966	1
20 C (68 F): Tropical nights (min	39	92	2010	69
25 C (77 F): Days with min	17	13	2011	1
10 mm (0.39 in): Days with 10 mm or more rain	63	61	2009	50
25 mm (0.98 in): Days with 25 mm or more rain	63	32	2009	14
50 mm (1.97 in): Days with 50 mm or more rain	63	12	2009	2
100 mm (3.94 in): Days with 100 mm or more rain	26	5	2009	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	2008	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	3	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Leola 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).

Leola Threshold Days by Year (USC00034134)

Key Facts for Leola Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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