Monument 2 Threshold Days by Year (USC00355711)

16 fixed thresholds counted per year at Monument 2 (USC00355711): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monument 2 Thresholds

Monument 2: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1983 with 15.
Monument 2: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1987 with 94.
Monument 2: days with a maximum temperature at or above 35 C (95 F) in 26 years, most in 1986 with 44.
Monument 2: days with a maximum temperature at or above 90 F (32.2 C) in 26 years, most in 1987 with 72.
16 fixed thresholds have at least one qualifying day at Monument 2.

Days at or above 30 C (86 F)

26 years with a qualifying day

Days per year at Monument 2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1987.

Days at or above 30 C (86 F) per year at Monument 2
Year	Days	Decade average
1962	58	64.6
1963	55	64.6
1965	42	64.6
1966	71	64.6
1967	93	64.6
1968	60	64.6
1969	73	64.6
1970	80	69.7
1971	62	69.7
1972	68	69.7
1973	78	69.7
1974	80	69.7
1975	68	69.7
1976	49	69.7
1977	78	69.7
1978	53	69.7
1979	81	69.7
1980	65	74.3
1981	73	74.3
1982	68	74.3
1983	56	74.3
1984	77	74.3
1985	61	74.3
1986	86	74.3
1987	94	74.3
1988	89	74.3

For each year, a bar from the first to the last day at Monument 2 meeting 30 C (86 F).

First to last qualifying date each year at Monument 2
Year	First date	Last date
1962	1962-06-09	1962-10-02
1963	1963-05-21	1963-10-03
1965	1965-05-29	1965-10-10
1966	1966-05-03	1966-09-23
1967	1967-05-17	1967-09-29
1968	1968-04-30	1968-10-01
1969	1969-05-09	1969-09-13
1970	1970-05-04	1970-10-05
1971	1971-06-21	1971-10-06
1972	1972-05-14	1972-09-16
1973	1973-05-13	1973-09-14
1974	1974-06-01	1974-10-02
1975	1975-05-14	1975-10-03
1976	1976-05-02	1976-10-01
1977	1977-04-24	1977-09-14
1978	1978-06-04	1978-09-27
1979	1979-05-22	1979-10-08
1980	1980-04-28	1980-10-08
1981	1981-05-30	1981-10-02
1982	1982-05-25	1982-09-24
1983	1983-05-24	1983-09-26
1984	1984-05-14	1984-10-09
1985	1985-05-20	1985-08-29
1986	1986-04-22	1986-09-08
1987	1987-04-23	1987-10-09
1988	1988-04-13	1988-10-12

Every Fixed Threshold

Fixed thresholds at Monument 2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	26	94	1987	89
35 C (95 F): Days	26	44	1986	40
40 C (104 F): Days	17	7	1967	3
90 F (32.2 C): Days	26	72	1987	61
100 F (37.8 C): Days	24	22	1971	8
110 F (43.3 C): Days	2	1	1972	1
0 C (32 F): Ice days (max	25	28	1985	9
0 C (32 F): Frost days (min	25	175	1985	145
-10 C (14 F): Days with min	25	51	1985	16
-20 C (-4 F): Days with min	14	11	1979	1
-30 C (-22 F): Days with min	1	3	1962	3
20 C (68 F): Tropical nights (min	4	2	1975	2
10 mm (0.39 in): Days with 10 mm or more rain	43	15	1983	7
25 mm (0.98 in): Days with 25 mm or more rain	14	1	1969	1
10 cm (3.9 in): Days with 10 cm or more snowfall	22	3	1975	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

Data for Monument 2 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).

Monument 2 Threshold Days by Year (USC00355711)

Key Facts for Monument 2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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