Nara Visa Threshold Days by Year (USC00296040)

16 fixed thresholds counted per year at Nara Visa (USC00296040): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nara Visa Thresholds

Nara Visa: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1949 with 22.
Nara Visa: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1960 with 12.
Nara Visa: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1960 with 3.
Nara Visa: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 1918 with 3.
16 fixed thresholds have at least one qualifying day at Nara Visa.

Days at or above 30 C (86 F)

10 years with a qualifying day

Days per year at Nara Visa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 115 in 1911.

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

First to last qualifying date each year at Nara Visa
Year	First date	Last date
1906	1906-05-12	1906-10-03
1909	1909-04-16	1909-09-21
1910	1910-04-20	1910-10-26
1911	1911-05-06	1911-10-03
1915	1915-04-28	1915-10-10
1916	1916-03-06	1916-10-04
1917	1917-04-21	1917-10-15
1918	1918-04-26	1918-10-12
1920	1920-05-18	1920-10-09
1921	1921-05-12	1921-10-21

Every Fixed Threshold

Fixed thresholds at Nara Visa
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	10	115	1911	88
35 C (95 F): Days	10	48	1917	2
40 C (104 F): Days	4	2	1918	2
90 F (32.2 C): Days	10	87	1911	43
100 F (37.8 C): Days	7	15	1917	10
0 C (32 F): Ice days (max	10	19	1911	2
0 C (32 F): Frost days (min	10	146	1917	108
-10 C (14 F): Days with min	10	35	1918	9
-20 C (-4 F): Days with min	4	2	1918	2
20 C (68 F): Tropical nights (min	7	10	1911	2
10 mm (0.39 in): Days with 10 mm or more rain	32	22	1949	15
25 mm (0.98 in): Days with 25 mm or more rain	31	12	1960	4
50 mm (1.97 in): Days with 50 mm or more rain	12	3	1960	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1948	1
10 cm (3.9 in): Days with 10 cm or more snowfall	12	3	1918	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Nara Visa 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).

Year	Days	Decade average
1906	69	75.5
1909	82	75.5
1910	107	101.5
1911	115	101.5
1915	76	101.5
1916	108	101.5
1917	104	101.5
1918	99	101.5
1920	76	82
1921	88	82

Nara Visa Threshold Days by Year (USC00296040)

Key Facts for Nara Visa Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related