Grayville Threshold Days by Year (USC00113612)

17 fixed thresholds counted per year at Grayville (USC00113612): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grayville Thresholds

Grayville: days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 2007 with 113.
Grayville: days with a maximum temperature at or above 35 C (95 F) in 13 years, most in 2010 with 30.
Grayville: days with a maximum temperature at or above 90 F (32.2 C) in 13 years, most in 2010 with 72.
Grayville: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 2010 with 34.
17 fixed thresholds have at least one qualifying day at Grayville.

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at Grayville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 113 in 2007.

Days at or above 30 C (86 F) per year at Grayville
Year	Days	Decade average
1898	82	86
1899	90	86
1900	76	76
2002	97	78.1
2003	57	78.1
2005	86	78.1
2006	74	78.1
2007	113	78.1
2008	74	78.1
2009	46	78.1
2010	111	94.7
2011	85	94.7
2012	88	94.7

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

First to last qualifying date each year at Grayville
Year	First date	Last date
1898	1898-05-18	1898-10-03
1899	1899-04-28	1899-10-14
1900	1900-05-12	1900-09-26
2002	2002-04-19	2002-10-03
2003	2003-04-15	2003-09-20
2005	2005-05-11	2005-09-25
2006	2006-04-14	2006-10-05
2007	2007-05-01	2007-10-09
2008	2008-05-31	2008-10-13
2009	2009-05-16	2009-09-17
2010	2010-04-14	2010-10-13
2011	2011-04-10	2011-10-08
2012	2012-04-02	2012-09-12

Every Fixed Threshold

Fixed thresholds at Grayville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	113	2007	88
35 C (95 F): Days	13	30	2010	29
40 C (104 F): Days	2	8	2012	8
90 F (32.2 C): Days	13	72	2010	64
100 F (37.8 C): Days	5	14	2012	14
0 C (32 F): Ice days (max	13	34	2010	5
0 C (32 F): Frost days (min	13	105	2008	86
-10 C (14 F): Days with min	13	23	1899	3
-20 C (-4 F): Days with min	1	5	1899	5
20 C (68 F): Tropical nights (min	13	83	1900	41
25 C (77 F): Days with min	8	4	1898	3
10 mm (0.39 in): Days with 10 mm or more rain	13	53	2011	35
25 mm (0.98 in): Days with 25 mm or more rain	13	21	2011	16
50 mm (1.97 in): Days with 50 mm or more rain	11	5	2006	5
100 mm (3.94 in): Days with 100 mm or more rain	3	1	2005	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	3	2010	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	2012	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Grayville 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).

Grayville Threshold Days by Year (USC00113612)

Key Facts for Grayville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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