Troy 18 N Threshold Days by Year (USC00248395)

13 fixed thresholds counted per year at Troy 18 N (USC00248395): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Troy 18 N Thresholds

Troy 18 N: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1974 with 44.
Troy 18 N: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1980 with 10.
Troy 18 N: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1974 with 215.
Troy 18 N: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1985 with 63.
13 fixed thresholds have at least one qualifying day at Troy 18 N.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Troy 18 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 49 in 1970.

Days at or above 30 C (86 F) per year at Troy 18 N
Year	Days	Decade average
1963	34	28.7
1968	20	28.7
1969	32	28.7
1970	49	31.1
1971	38	31.1
1972	27	31.1
1973	43	31.1
1974	23	31.1
1975	23	31.1
1976	19	31.1
1978	27	31.1
1980	13	30.1
1981	30	30.1
1982	17	30.1
1983	23	30.1
1984	41	30.1
1985	43	30.1
1986	44	30.1

For each year, a bar from the first to the last day at Troy 18 N meeting 30 C (86 F).

First to last qualifying date each year at Troy 18 N
Year	First date	Last date
1963	1963-06-14	1963-09-11
1968	1968-06-26	1968-08-04
1969	1969-06-04	1969-09-13
1970	1970-06-02	1970-09-01
1971	1971-06-22	1971-08-30
1972	1972-05-30	1972-08-30
1973	1973-05-15	1973-09-11
1974	1974-06-14	1974-08-30
1975	1975-07-02	1975-08-16
1976	1976-06-29	1976-09-02
1978	1978-06-05	1978-08-11
1980	1980-07-08	1980-08-12
1981	1981-07-04	1981-09-19
1982	1982-06-13	1982-08-26
1983	1983-05-28	1983-08-20
1984	1984-05-30	1984-09-06
1985	1985-05-24	1985-08-30
1986	1986-05-25	1986-08-30

Every Fixed Threshold

Fixed thresholds at Troy 18 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	49	1970	44
35 C (95 F): Days	13	10	1971	6
90 F (32.2 C): Days	18	33	1970	21
0 C (32 F): Ice days (max	18	71	1985	35
0 C (32 F): Frost days (min	19	215	1974	183
-10 C (14 F): Days with min	19	63	1985	17
-20 C (-4 F): Days with min	19	18	1972	3
-30 C (-22 F): Days with min	3	4	1968	3
10 mm (0.39 in): Days with 10 mm or more rain	21	44	1974	26
25 mm (0.98 in): Days with 25 mm or more rain	21	10	1980	5
50 mm (1.97 in): Days with 50 mm or more rain	7	2	1974	1
10 cm (3.9 in): Days with 10 cm or more snowfall	17	17	1971	3
25 cm (9.8 in): Days with 25 cm or more snowfall	8	3	1971	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 Troy 18 N 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).

Troy 18 N Threshold Days by Year (USC00248395)

Key Facts for Troy 18 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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