Built 2026-10-19 (19 October 2026)

Mahroni Threshold Days by Year (IN023310202)

5 fixed thresholds counted per year at Mahroni (IN023310202): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mahroni Thresholds

  • Mahroni: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1919 with 41.
  • Mahroni: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1919 with 25.
  • Mahroni: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1926 with 11.
  • Mahroni: days with 100 mm (3.94 in) or more of precipitation in 40 years, most in 1916 with 4.
  • 5 fixed thresholds have at least one qualifying day at Mahroni.
66 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mahroni Days per year at Mahroni with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1919. 02040601901: 261902: 221903: 201904: 271905: 111906: 231907: 211908: 321909: 211910: 241911: 311912: 251913: 161914: 191915: 291916: 341917: 341918: 151919: 411920: 151921: 221922: 231923: 221924: 281925: 311926: 361927: 251928: 221929: 291930: 241931: 311932: 231933: 231934: 381935: 271936: 291937: 231938: 311939: 301940: 211941: 181942: 341943: 301944: 331945: 281946: 361947: 331948: 311949: 291950: 191951: 191952: 271953: 211954: 271955: 331956: 351957: 331958: 351959: 381960: 331961: 391962: 281963: 311964: 351967: 331968: 231901190819151922192919361943195019571964
Days per year at Mahroni with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1919.
Days with 10 mm (0.39 in) or more of precipitation per year at Mahroni
YearDaysDecade average
19012622.6
19022222.6
19032022.6
19042722.6
19051122.6
19062322.6
19072122.6
19083222.6
19092122.6
19102426.8
19113126.8
19122526.8
19131626.8
19141926.8
19152926.8
19163426.8
19173426.8
19181526.8
19194126.8
19201525.3
19212225.3
19222325.3
19232225.3
19242825.3
19253125.3
19263625.3
19272525.3
19282225.3
19292925.3
19302427.9
19313127.9
19322327.9
19332327.9
19343827.9
19352727.9
19362927.9
19372327.9
19383127.9
19393027.9
19402129.3
19411829.3
19423429.3
19433029.3
19443329.3
19452829.3
19463629.3
19473329.3
19483129.3
19492929.3
19501928.7
19511928.7
19522728.7
19532128.7
19542728.7
19553328.7
19563528.7
19573328.7
19583528.7
19593828.7
19603331.7
19613931.7
19622831.7
19633131.7
19643531.7
19673331.7
19682331.7
First to last qualifying date each year at Mahroni For each year, a bar from the first to the last day at Mahroni meeting 10 mm (0.39 in). 1901: 14 January 1901 to 24 September 19011902: 14 June 1902 to 1 November 19021903: 19 June 1903 to 9 October 19031904: 28 February 1904 to 21 December 19041905: 7 January 1905 to 27 September 19051906: 21 June 1906 to 2 October 19061907: 10 January 1907 to 26 August 19071908: 11 January 1908 to 7 September 19081909: 20 April 1909 to 26 December 19091910: 1 June 1910 to 10 November 19101911: 7 January 1911 to 24 November 19111912: 22 June 1912 to 23 November 19121913: 6 February 1913 to 31 August 19131914: 4 March 1914 to 17 September 19141915: 4 February 1915 to 7 October 19151916: 17 February 1916 to 26 November 19161917: 4 February 1917 to 26 October 19171918: 31 May 1918 to 30 November 19181919: 23 January 1919 to 4 October 19191920: 23 June 1920 to 11 September 19201921: 20 January 1921 to 5 September 19211922: 11 January 1922 to 13 November 19221923: 5 July 1923 to 30 September 19231924: 1 July 1924 to 27 September 19241925: 1 June 1925 to 10 November 19251926: 5 January 1926 to 7 October 19261927: 10 March 1927 to 20 December 19271928: 1 January 1928 to 1 December 19281929: 11 February 1929 to 3 September 19291930: 13 June 1930 to 30 October 19301931: 3 July 1931 to 16 October 19311932: 23 June 1932 to 23 September 19321933: 13 April 1933 to 20 October 19331934: 29 January 1934 to 25 September 19341935: 28 January 1935 to 20 September 19351936: 19 February 1936 to 14 November 19361937: 20 June 1937 to 15 September 19371938: 25 January 1938 to 12 October 19381939: 14 June 1939 to 14 September 19391940: 19 January 1940 to 19 October 19401941: 27 February 1941 to 21 September 19411942: 16 January 1942 to 15 September 19421943: 8 January 1943 to 19 October 19431944: 19 February 1944 to 3 November 19441945: 15 January 1945 to 17 September 19451946: 16 February 1946 to 30 November 19461947: 5 January 1947 to 22 December 19471948: 5 January 1948 to 23 November 19481949: 10 June 1949 to 11 October 19491950: 24 January 1950 to 25 December 19501951: 26 March 1951 to 13 September 19511952: 21 June 1952 to 26 August 19521953: 12 January 1953 to 12 September 19531954: 9 January 1954 to 18 September 19541955: 22 January 1955 to 13 October 19551956: 10 January 1956 to 10 October 19561957: 18 January 1957 to 15 September 19571958: 15 March 1958 to 2 October 19581959: 17 January 1959 to 11 October 19591960: 2 January 1960 to 8 October 19601961: 1 January 1961 to 13 October 19611962: 25 January 1962 to 5 December 19621963: 15 January 1963 to 19 November 19631964: 26 March 1964 to 25 September 19641967: 15 June 1967 to 28 December 19671968: 6 January 1968 to 30 September 196819011910191919281937194619551964JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mahroni meeting 10 mm (0.39 in).
First to last qualifying date each year at Mahroni
YearFirst dateLast date
19011901-01-141901-09-24
19021902-06-141902-11-01
19031903-06-191903-10-09
19041904-02-281904-12-21
19051905-01-071905-09-27
19061906-06-211906-10-02
19071907-01-101907-08-26
19081908-01-111908-09-07
19091909-04-201909-12-26
19101910-06-011910-11-10
19111911-01-071911-11-24
19121912-06-221912-11-23
19131913-02-061913-08-31
19141914-03-041914-09-17
19151915-02-041915-10-07
19161916-02-171916-11-26
19171917-02-041917-10-26
19181918-05-311918-11-30
19191919-01-231919-10-04
19201920-06-231920-09-11
19211921-01-201921-09-05
19221922-01-111922-11-13
19231923-07-051923-09-30
19241924-07-011924-09-27
19251925-06-011925-11-10
19261926-01-051926-10-07
19271927-03-101927-12-20
19281928-01-011928-12-01
19291929-02-111929-09-03
19301930-06-131930-10-30
19311931-07-031931-10-16
19321932-06-231932-09-23
19331933-04-131933-10-20
19341934-01-291934-09-25
19351935-01-281935-09-20
19361936-02-191936-11-14
19371937-06-201937-09-15
19381938-01-251938-10-12
19391939-06-141939-09-14
19401940-01-191940-10-19
19411941-02-271941-09-21
19421942-01-161942-09-15
19431943-01-081943-10-19
19441944-02-191944-11-03
19451945-01-151945-09-17
19461946-02-161946-11-30
19471947-01-051947-12-22
19481948-01-051948-11-23
19491949-06-101949-10-11
19501950-01-241950-12-25
19511951-03-261951-09-13
19521952-06-211952-08-26
19531953-01-121953-09-12
19541954-01-091954-09-18
19551955-01-221955-10-13
19561956-01-101956-10-10
19571957-01-181957-09-15
19581958-03-151958-10-02
19591959-01-171959-10-11
19601960-01-021960-10-08
19611961-01-011961-10-13
19621962-01-251962-12-05
19631963-01-151963-11-19
19641964-03-261964-09-25
19671967-06-151967-12-28
19681968-01-061968-09-30

Every Fixed Threshold

Fixed thresholds at Mahroni
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6641191923
25 mm (0.98 in): Days with 25 mm or more rain662519199
50 mm (1.97 in): Days with 50 mm or more rain651119263
100 mm (3.94 in): Days with 100 mm or more rain40419161
200 mm (7.87 in): Days with 200 mm or more rain5119161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Mahroni 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).