Melville Threshold Days by Year

16 fixed thresholds counted per year at Melville (USC00325833): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Melville Thresholds

Melville: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1901 with 23.
Melville: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1921 with 10.
Melville: nights with a minimum temperature at or below 0 C (32 F) in 15 years, most in 1929 with 225.
Melville: nights with a minimum temperature at or below -10 C (14 F) in 15 years, most in 1929 with 121.
16 fixed thresholds have at least one qualifying day at Melville.

Days at or above 30 C (86 F)

14 years with a qualifying day

Days per year at Melville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1928.

Days at or above 30 C (86 F) per year at Melville
Year	Days	Decade average
1898	20	20
1899	20	20
1900	37	30.5
1901	24	30.5
1911	31	31
1921	21	29.2
1922	16	29.2
1923	19	29.2
1924	14	29.2
1925	35	29.2
1926	32	29.2
1927	14	29.2
1928	59	29.2
1929	53	29.2

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

First to last qualifying date each year at Melville
Year	First date	Last date
1898	1898-06-16	1898-09-27
1899	1899-06-17	1899-09-02
1900	1900-04-20	1900-09-01
1901	1901-05-01	1901-09-03
1911	1911-05-17	1911-09-16
1921	1921-05-21	1921-09-01
1922	1922-06-05	1922-09-27
1923	1923-06-16	1923-09-03
1924	1924-07-07	1924-08-30
1925	1925-05-19	1925-09-06
1926	1926-04-20	1926-09-16
1927	1927-06-27	1927-09-14
1928	1928-05-23	1928-09-12
1929	1929-06-10	1929-09-01

Every Fixed Threshold

Fixed thresholds at Melville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	14	59	1928	53
35 C (95 F): Days	12	15	1929	15
40 C (104 F): Days	2	2	1929	2
90 F (32.2 C): Days	14	32	1929	32
100 F (37.8 C): Days	3	7	1929	7
0 C (32 F): Ice days (max	14	111	1928	83
0 C (32 F): Frost days (min	15	225	1929	225
-10 C (14 F): Days with min	15	121	1929	121
-20 C (-4 F): Days with min	15	74	1929	74
-30 C (-22 F): Days with min	15	19	1899	13
-40 C (-40 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	11	13	1929	13
25 C (77 F): Days with min	1	2	1929	2
10 mm (0.39 in): Days with 10 mm or more rain	24	23	1901	16
25 mm (0.98 in): Days with 25 mm or more rain	23	10	1921	7
50 mm (1.97 in): Days with 50 mm or more rain	9	2	1952	2

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 Melville 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Melville Threshold Days by Year

Key Facts for Melville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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