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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Unaha Threshold Days by Year (RSM00031199)

3 fixed thresholds counted per year at Unaha (RSM00031199): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Unaha Thresholds

  • Unaha: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1972 with 26.
  • Unaha: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1972 with 8.
  • Unaha: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1939 with 1.
  • 3 fixed thresholds have at least one qualifying day at Unaha.
54 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Unaha Days per year at Unaha with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1972. 0102030401938: 201939: 171940: 151941: 101942: 121943: 161944: 141945: 131946: 211947: 81948: 161949: 231950: 191951: 221952: 151953: 141954: 141955: 181956: 311957: 201958: 251959: 271960: 171961: 281962: 191963: 201964: 161965: 161966: 151967: 201968: 211969: 141970: 131971: 151972: 261973: 81974: 171975: 221976: 151977: 201978: 211980: 161981: 201982: 301983: 181984: 211985: 221986: 111987: 151988: 201989: 211990: 181991: 91992: 16193819441950195619621968197419811987
Days per year at Unaha with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1972.
Days with 10 mm (0.39 in) or more of precipitation per year at Unaha
YearDaysDecade average
19382018.5
19391718.5
19401514.8
19411014.8
19421214.8
19431614.8
19441414.8
19451314.8
19462114.8
1947814.8
19481614.8
19492314.8
19501920.5
19512220.5
19521520.5
19531420.5
19541420.5
19551820.5
19563120.5
19572020.5
19582520.5
19592720.5
19601718.6
19612818.6
19621918.6
19632018.6
19641618.6
19651618.6
19661518.6
19672018.6
19682118.6
19691418.6
19701317.4
19711517.4
19722617.4
1973817.4
19741717.4
19752217.4
19761517.4
19772017.4
19782117.4
19801619.4
19812019.4
19823019.4
19831819.4
19842119.4
19852219.4
19861119.4
19871519.4
19882019.4
19892119.4
19901814.3
1991914.3
19921614.3
First to last qualifying date each year at Unaha For each year, a bar from the first to the last day at Unaha meeting 10 mm (0.39 in). 1938: 10 April 1938 to 1 September 19381939: 27 April 1939 to 7 October 19391940: 23 April 1940 to 30 September 19401941: 4 May 1941 to 4 September 19411942: 23 May 1942 to 16 October 19421943: 20 May 1943 to 3 November 19431944: 3 May 1944 to 5 September 19441945: 31 March 1945 to 22 October 19451946: 28 March 1946 to 8 November 19461947: 3 June 1947 to 7 September 19471948: 9 May 1948 to 12 October 19481949: 5 May 1949 to 25 October 19491950: 7 March 1950 to 9 October 19501951: 5 April 1951 to 7 October 19511952: 18 May 1952 to 2 October 19521953: 21 May 1953 to 31 August 19531954: 30 March 1954 to 28 September 19541955: 26 April 1955 to 29 December 19551956: 22 April 1956 to 5 November 19561957: 23 May 1957 to 8 October 19571958: 13 March 1958 to 10 November 19581959: 28 March 1959 to 5 November 19591960: 23 April 1960 to 11 September 19601961: 12 May 1961 to 7 November 19611962: 16 April 1962 to 21 September 19621963: 20 March 1963 to 24 October 19631964: 9 April 1964 to 21 October 19641965: 4 June 1965 to 25 October 19651966: 19 April 1966 to 28 October 19661967: 8 April 1967 to 28 September 19671968: 8 April 1968 to 5 November 19681969: 25 March 1969 to 1 November 19691970: 2 May 1970 to 9 November 19701971: 21 April 1971 to 5 September 19711972: 18 April 1972 to 23 September 19721973: 10 April 1973 to 12 October 19731974: 21 April 1974 to 24 September 19741975: 24 April 1975 to 11 November 19751976: 20 May 1976 to 20 October 19761977: 22 June 1977 to 5 November 19771978: 13 April 1978 to 17 October 19781980: 4 April 1980 to 4 October 19801981: 23 April 1981 to 4 October 19811982: 23 April 1982 to 22 November 19821983: 28 April 1983 to 14 October 19831984: 17 April 1984 to 23 September 19841985: 21 April 1985 to 29 October 19851986: 9 April 1986 to 22 September 19861987: 2 June 1987 to 28 October 19871988: 14 March 1988 to 9 November 19881989: 30 March 1989 to 24 September 19891990: 26 April 1990 to 10 September 19901991: 25 April 1991 to 10 September 19911992: 8 April 1992 to 20 October 199219381945195219591966197319811988JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Unaha meeting 10 mm (0.39 in).
First to last qualifying date each year at Unaha
YearFirst dateLast date
19381938-04-101938-09-01
19391939-04-271939-10-07
19401940-04-231940-09-30
19411941-05-041941-09-04
19421942-05-231942-10-16
19431943-05-201943-11-03
19441944-05-031944-09-05
19451945-03-311945-10-22
19461946-03-281946-11-08
19471947-06-031947-09-07
19481948-05-091948-10-12
19491949-05-051949-10-25
19501950-03-071950-10-09
19511951-04-051951-10-07
19521952-05-181952-10-02
19531953-05-211953-08-31
19541954-03-301954-09-28
19551955-04-261955-12-29
19561956-04-221956-11-05
19571957-05-231957-10-08
19581958-03-131958-11-10
19591959-03-281959-11-05
19601960-04-231960-09-11
19611961-05-121961-11-07
19621962-04-161962-09-21
19631963-03-201963-10-24
19641964-04-091964-10-21
19651965-06-041965-10-25
19661966-04-191966-10-28
19671967-04-081967-09-28
19681968-04-081968-11-05
19691969-03-251969-11-01
19701970-05-021970-11-09
19711971-04-211971-09-05
19721972-04-181972-09-23
19731973-04-101973-10-12
19741974-04-211974-09-24
19751975-04-241975-11-11
19761976-05-201976-10-20
19771977-06-221977-11-05
19781978-04-131978-10-17
19801980-04-041980-10-04
19811981-04-231981-10-04
19821982-04-231982-11-22
19831983-04-281983-10-14
19841984-04-171984-09-23
19851985-04-211985-10-29
19861986-04-091986-09-22
19871987-06-021987-10-28
19881988-03-141988-11-09
19891989-03-301989-09-24
19901990-04-261990-09-10
19911991-04-251991-09-10
19921992-04-081992-10-20

Every Fixed Threshold

Fixed thresholds at Unaha
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5426197216
25 mm (0.98 in): Days with 25 mm or more rain51819723
50 mm (1.97 in): Days with 50 mm or more rain14119391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

  • Data for Unaha 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).