Modena Threshold Days by Year (USW00023177)

17 fixed thresholds counted per year at Modena (USW00023177): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Modena Thresholds

Modena: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1949 with 14.
Modena: days with a maximum temperature at or above 30 C (86 F) in 45 years, most in 1974 with 108.
Modena: days with a maximum temperature at or above 35 C (95 F) in 45 years, most in 1961 with 31.
Modena: days with a maximum temperature at or above 90 F (32.2 C) in 45 years, most in 1974 with 74.
17 fixed thresholds have at least one qualifying day at Modena.

Days at or above 30 C (86 F)

45 years with a qualifying day

Days per year at Modena with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 108 in 1974.

Days at or above 30 C (86 F) per year at Modena
Year	Days	Decade average
1948	61	55.5
1949	50	55.5
1950	74	80.4
1951	84	80.4
1952	93	80.4
1953	85	80.4
1954	66	80.4
1955	68	80.4
1956	90	80.4
1957	74	80.4
1958	84	80.4
1959	86	80.4
1960	93	77.4
1961	70	77.4
1962	81	77.4
1963	76	77.4
1964	76	77.4
1965	53	77.4
1966	91	77.4
1967	76	77.4
1968	78	77.4
1969	80	77.4
1970	73	77.9
1971	76	77.9
1972	65	77.9
1973	76	77.9
1974	108	77.9
1975	70	77.9
1976	66	77.9
1977	89	77.9
1984	60	72.2
1985	79	72.2
1986	77	72.2
1987	79	72.2
1988	77	72.2
1989	61	72.2
1990	78	67.2
1991	62	67.2
1992	61	67.2
1993	65	67.2
1995	60	67.2
1996	94	67.2
1997	73	67.2
1998	34	67.2
1999	78	67.2

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

First to last qualifying date each year at Modena
Year	First date	Last date
1948	1948-06-29	1948-09-21
1949	1949-06-12	1949-09-24
1950	1950-05-21	1950-10-12
1951	1951-05-25	1951-09-26
1952	1952-05-27	1952-10-05
1953	1953-06-10	1953-09-25
1954	1954-05-06	1954-09-21
1955	1955-05-21	1955-09-14
1956	1956-05-17	1956-09-26
1957	1957-06-01	1957-09-15
1958	1958-05-18	1958-09-21
1959	1959-05-12	1959-10-24
1960	1960-05-10	1960-09-27
1961	1961-06-07	1961-09-10
1962	1962-06-09	1962-09-20
1963	1963-05-18	1963-10-02
1964	1964-06-14	1964-10-07
1965	1965-06-20	1965-10-10
1966	1966-05-25	1966-09-24
1967	1967-05-21	1967-09-21
1968	1968-05-28	1968-10-02
1969	1969-05-29	1969-09-29
1970	1970-05-16	1970-09-11
1971	1971-06-14	1971-09-14
1972	1972-05-27	1972-08-24
1973	1973-06-06	1973-09-13
1974	1974-05-08	1974-09-25
1975	1975-05-14	1975-09-29
1976	1976-05-14	1976-09-04
1977	1977-05-30	1977-09-10
1984	1984-05-13	1984-09-28
1985	1985-06-05	1985-09-01
1986	1986-05-25	1986-09-07
1987	1987-06-03	1987-10-04
1988	1988-06-03	1988-09-09
1989	1989-05-08	1989-10-10
1990	1990-06-03	1990-09-16
1991	1991-06-10	1991-09-25
1992	1992-06-04	1992-09-29
1993	1993-06-14	1993-09-28
1995	1995-05-20	1995-09-17
1996	1996-05-11	1996-10-10
1997	1997-05-14	1997-09-08
1998	1998-06-26	1998-09-03
1999	1999-06-12	1999-10-12

Every Fixed Threshold

Fixed thresholds at Modena
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	45	108	1974	78
35 C (95 F): Days	45	31	1961	7
40 C (104 F): Days	2	2	1985	2
90 F (32.2 C): Days	45	74	1974	44
100 F (37.8 C): Days	20	8	1971	1
0 C (32 F): Ice days (max	45	55	1949	1
0 C (32 F): Frost days (min	45	215	1971	139
-10 C (14 F): Days with min	45	77	1964	17
-20 C (-4 F): Days with min	38	32	1949	3
-30 C (-22 F): Days with min	5	2	1989	2
20 C (68 F): Tropical nights (min	12	3	1999	1
10 mm (0.39 in): Days with 10 mm or more rain	47	14	1949	13
25 mm (0.98 in): Days with 25 mm or more rain	27	4	1984	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1970	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	11	1949	2
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1949	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1975	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Modena 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).

Modena Threshold Days by Year (USW00023177)

Key Facts for Modena Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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