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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Misawa Threshold Days by Year

16 fixed thresholds counted per year at Misawa (JAW00044402): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Misawa Thresholds

  • Misawa: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1955 with 29.
  • Misawa: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1977 with 47.
  • Misawa: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1952 with 140.
  • Misawa: nights with a minimum temperature at or above 20 C (68 F) in 22 years, most in 1950 with 42.
  • 16 fixed thresholds have at least one qualifying day at Misawa.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Misawa Days per year at Misawa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1955. 01020301949: 141950: 231951: 271952: 71953: 121954: 101955: 291956: 101957: 51958: 111959: 101960: 191961: 81962: 151963: 41964: 91965: 51966: 71967: 81977: 31978: 151979: 619491952195519581961196419671979
Days per year at Misawa with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1955.
Days at or above 30 C (86 F) per year at Misawa
YearDaysDecade average
19491414
19502314.4
19512714.4
1952714.4
19531214.4
19541014.4
19552914.4
19561014.4
1957514.4
19581114.4
19591014.4
1960199.4
196189.4
1962159.4
196349.4
196499.4
196559.4
196679.4
196789.4
197738
1978158
197968
First to last qualifying date each year at Misawa For each year, a bar from the first to the last day at Misawa meeting 30 C (86 F). 1949: 17 July 1949 to 30 August 19491950: 1 July 1950 to 22 August 19501951: 22 July 1951 to 30 August 19511952: 22 July 1952 to 1 September 19521953: 17 June 1953 to 18 August 19531954: 29 July 1954 to 15 September 19541955: 1 July 1955 to 30 August 19551956: 21 May 1956 to 10 September 19561957: 31 July 1957 to 25 August 19571958: 24 June 1958 to 28 August 19581959: 22 July 1959 to 29 August 19591960: 1 July 1960 to 22 September 19601961: 28 July 1961 to 5 September 19611962: 12 July 1962 to 14 September 19621963: 28 July 1963 to 1 August 19631964: 7 July 1964 to 16 August 19641965: 8 August 1965 to 28 August 19651966: 28 July 1966 to 1 September 19661967: 23 July 1967 to 26 August 19671977: 25 July 1977 to 31 July 19771978: 5 July 1978 to 23 August 19781979: 30 July 1979 to 27 August 197919491952195519581961196419671979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Misawa meeting 30 C (86 F).
First to last qualifying date each year at Misawa
YearFirst dateLast date
19491949-07-171949-08-30
19501950-07-011950-08-22
19511951-07-221951-08-30
19521952-07-221952-09-01
19531953-06-171953-08-18
19541954-07-291954-09-15
19551955-07-011955-08-30
19561956-05-211956-09-10
19571957-07-311957-08-25
19581958-06-241958-08-28
19591959-07-221959-08-29
19601960-07-011960-09-22
19611961-07-281961-09-05
19621962-07-121962-09-14
19631963-07-281963-08-01
19641964-07-071964-08-16
19651965-08-081965-08-28
19661966-07-281966-09-01
19671967-07-231967-08-26
19771977-07-251977-07-31
19781978-07-051978-08-23
19791979-07-301979-08-27

Every Fixed Threshold

Fixed thresholds at Misawa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days222919556
35 C (95 F): Days5219502
90 F (32.2 C): Days201019501
0 C (32 F): Ice days (max2247197712
0 C (32 F): Frost days (min22140195299
-10 C (14 F): Days with min1614197814
-20 C (-4 F): Days with min1119781
20 C (68 F): Tropical nights (min2242195011
25 C (77 F): Days with min4119511
10 mm (0.39 in): Days with 10 mm or more rain2251197951
25 mm (0.98 in): Days with 25 mm or more rain2219195819
50 mm (1.97 in): Days with 50 mm or more rain20619773
100 mm (3.94 in): Days with 100 mm or more rain3119521
10 cm (3.9 in): Days with 10 cm or more snowfall221619607
25 cm (9.8 in): Days with 25 cm or more snowfall17419583
50 cm (19.7 in): Days with 50 cm or more snowfall4119521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Misawa 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 . Last revised (2025-12-31).