Built 2026-10-19 (19 October 2026)

Menza Threshold Days by Year (RSM00030938)

3 fixed thresholds counted per year at Menza (RSM00030938): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Menza Thresholds

  • Menza: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1950 with 17.
  • Menza: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1960 with 4.
  • Menza: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1949 with 1.
  • 3 fixed thresholds have at least one qualifying day at Menza.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Menza Days per year at Menza with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1950. 01020301938: 91939: 111940: 131941: 151942: 81943: 121944: 61945: 141948: 111949: 81950: 171951: 121952: 141953: 81954: 91955: 101956: 71957: 91958: 111959: 121960: 121961: 91962: 101963: 61964: 161965: 71966: 111967: 111968: 71969: 111971: 91972: 81973: 131974: 61975: 71976: 111977: 111978: 101979: 91980: 81981: 101982: 61983: 151984: 111985: 151986: 91987: 91988: 221989: 131990: 171991: 131992: 13193819441952195819641971197719831989
Days per year at Menza with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Menza
YearDaysDecade average
1938910
19391110
19401310.9
19411510.9
1942810.9
19431210.9
1944610.9
19451410.9
19481110.9
1949810.9
19501710.9
19511210.9
19521410.9
1953810.9
1954910.9
19551010.9
1956710.9
1957910.9
19581110.9
19591210.9
19601210
1961910
19621010
1963610
19641610
1965710
19661110
19671110
1968710
19691110
197199.3
197289.3
1973139.3
197469.3
197579.3
1976119.3
1977119.3
1978109.3
197999.3
1980811.8
19811011.8
1982611.8
19831511.8
19841111.8
19851511.8
1986911.8
1987911.8
19882211.8
19891311.8
19901714.3
19911314.3
19921314.3
First to last qualifying date each year at Menza For each year, a bar from the first to the last day at Menza meeting 10 mm (0.39 in). 1938: 13 May 1938 to 16 September 19381939: 14 April 1939 to 2 October 19391940: 26 June 1940 to 13 September 19401941: 20 May 1941 to 2 September 19411942: 4 June 1942 to 10 September 19421943: 23 May 1943 to 5 October 19431944: 26 April 1944 to 14 September 19441945: 21 June 1945 to 11 October 19451948: 11 June 1948 to 13 September 19481949: 13 July 1949 to 23 September 19491950: 14 May 1950 to 7 September 19501951: 26 March 1951 to 29 August 19511952: 5 May 1952 to 7 October 19521953: 18 May 1953 to 17 October 19531954: 10 July 1954 to 15 September 19541955: 17 June 1955 to 16 September 19551956: 24 June 1956 to 29 August 19561957: 27 May 1957 to 28 August 19571958: 1 June 1958 to 27 September 19581959: 30 April 1959 to 9 October 19591960: 5 June 1960 to 12 September 19601961: 11 June 1961 to 18 November 19611962: 2 July 1962 to 5 September 19621963: 1 July 1963 to 12 September 19631964: 17 May 1964 to 23 September 19641965: 29 May 1965 to 1 September 19651966: 25 May 1966 to 12 October 19661967: 6 May 1967 to 31 August 19671968: 22 May 1968 to 2 August 19681969: 8 June 1969 to 30 August 19691971: 31 May 1971 to 26 July 19711972: 24 May 1972 to 20 September 19721973: 11 May 1973 to 1 September 19731974: 5 June 1974 to 27 September 19741975: 3 June 1975 to 2 October 19751976: 23 May 1976 to 25 September 19761977: 22 May 1977 to 30 September 19771978: 14 May 1978 to 24 August 19781979: 21 June 1979 to 20 August 19791980: 13 July 1980 to 14 September 19801981: 26 April 1981 to 10 September 19811982: 19 June 1982 to 16 August 19821983: 26 April 1983 to 10 September 19831984: 21 May 1984 to 28 September 19841985: 1 May 1985 to 25 August 19851986: 25 April 1986 to 9 September 19861987: 24 June 1987 to 12 September 19871988: 29 May 1988 to 16 October 19881989: 8 June 1989 to 27 September 19891990: 3 June 1990 to 26 September 19901991: 6 May 1991 to 30 September 19911992: 24 May 1992 to 21 October 199219381945195419611968197619831990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Menza meeting 10 mm (0.39 in).
First to last qualifying date each year at Menza
YearFirst dateLast date
19381938-05-131938-09-16
19391939-04-141939-10-02
19401940-06-261940-09-13
19411941-05-201941-09-02
19421942-06-041942-09-10
19431943-05-231943-10-05
19441944-04-261944-09-14
19451945-06-211945-10-11
19481948-06-111948-09-13
19491949-07-131949-09-23
19501950-05-141950-09-07
19511951-03-261951-08-29
19521952-05-051952-10-07
19531953-05-181953-10-17
19541954-07-101954-09-15
19551955-06-171955-09-16
19561956-06-241956-08-29
19571957-05-271957-08-28
19581958-06-011958-09-27
19591959-04-301959-10-09
19601960-06-051960-09-12
19611961-06-111961-11-18
19621962-07-021962-09-05
19631963-07-011963-09-12
19641964-05-171964-09-23
19651965-05-291965-09-01
19661966-05-251966-10-12
19671967-05-061967-08-31
19681968-05-221968-08-02
19691969-06-081969-08-30
19711971-05-311971-07-26
19721972-05-241972-09-20
19731973-05-111973-09-01
19741974-06-051974-09-27
19751975-06-031975-10-02
19761976-05-231976-09-25
19771977-05-221977-09-30
19781978-05-141978-08-24
19791979-06-211979-08-20
19801980-07-131980-09-14
19811981-04-261981-09-10
19821982-06-191982-08-16
19831983-04-261983-09-10
19841984-05-211984-09-28
19851985-05-011985-08-25
19861986-04-251986-09-09
19871987-06-241987-09-12
19881988-05-291988-10-16
19891989-06-081989-09-27
19901990-06-031990-09-26
19911991-05-061991-09-30
19921992-05-241992-10-21

Every Fixed Threshold

Fixed thresholds at Menza
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5217195013
25 mm (0.98 in): Days with 25 mm or more rain41419601
50 mm (1.97 in): Days with 50 mm or more rain3119491

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 Menza 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).