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Built 2026-10-16 (16 October 2026)

Idar Threshold Days by Year

5 fixed thresholds counted per year at Idar (IN005160402): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Idar Thresholds

  • Idar: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1917 with 50.
  • Idar: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1944 with 23.
  • Idar: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1907 with 13.
  • Idar: days with 100 mm (3.94 in) or more of precipitation in 37 years, most in 1956 with 8.
  • 5 fixed thresholds have at least one qualifying day at Idar.
63 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Idar Days per year at Idar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1917. 02040601901: 161902: 171903: 231904: 101905: 131906: 351907: 291908: 391909: 241910: 331911: 111912: 271913: 281914: 271915: 81916: 221917: 501918: 61919: 271920: 221921: 281922: 291923: 91924: 251925: 161926: 391927: 271928: 251929: 191930: 221931: 271932: 161933: 401934: 281935: 231936: 151937: 261938: 201939: 101940: 191941: 211942: 231943: 251944: 371945: 311946: 281947: 261948: 161949: 241950: 231951: 131952: 211953: 291954: 271955: 281956: 341957: 181958: 251959: 351960: 221963: 281964: 181968: 9190119081915192219291936194319501957
Days per year at Idar with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Idar
YearDaysDecade average
19011622.9
19021722.9
19032322.9
19041022.9
19051322.9
19063522.9
19072922.9
19083922.9
19092422.9
19103323.9
19111123.9
19122723.9
19132823.9
19142723.9
1915823.9
19162223.9
19175023.9
1918623.9
19192723.9
19202223.9
19212823.9
19222923.9
1923923.9
19242523.9
19251623.9
19263923.9
19272723.9
19282523.9
19291923.9
19302222.7
19312722.7
19321622.7
19334022.7
19342822.7
19352322.7
19361522.7
19372622.7
19382022.7
19391022.7
19401925
19412125
19422325
19432525
19443725
19453125
19462825
19472625
19481625
19492425
19502325.3
19511325.3
19522125.3
19532925.3
19542725.3
19552825.3
19563425.3
19571825.3
19582525.3
19593525.3
19602219.3
19632819.3
19641819.3
1968919.3
First to last qualifying date each year at Idar For each year, a bar from the first to the last day at Idar meeting 10 mm (0.39 in). 1901: 5 May 1901 to 19 October 19011902: 6 July 1902 to 18 September 19021903: 13 July 1903 to 24 September 19031904: 3 March 1904 to 15 September 19041905: 29 June 1905 to 11 September 19051906: 15 February 1906 to 19 September 19061907: 5 February 1907 to 29 August 19071908: 15 June 1908 to 25 August 19081909: 13 June 1909 to 9 September 19091910: 5 June 1910 to 4 October 19101911: 13 March 1911 to 1 November 19111912: 19 June 1912 to 11 October 19121913: 20 May 1913 to 4 September 19131914: 8 June 1914 to 19 September 19141915: 15 June 1915 to 13 October 19151916: 2 June 1916 to 29 September 19161917: 10 April 1917 to 26 October 19171918: 20 June 1918 to 1 September 19181919: 7 May 1919 to 30 August 19191920: 14 May 1920 to 3 August 19201921: 12 June 1921 to 20 September 19211922: 16 June 1922 to 13 November 19221923: 8 July 1923 to 21 August 19231924: 6 June 1924 to 29 September 19241925: 2 June 1925 to 9 August 19251926: 29 June 1926 to 28 September 19261927: 24 June 1927 to 22 September 19271928: 10 June 1928 to 29 November 19281929: 16 June 1929 to 27 August 19291930: 9 June 1930 to 14 September 19301931: 3 July 1931 to 10 October 19311932: 23 June 1932 to 7 September 19321933: 16 April 1933 to 18 September 19331934: 18 June 1934 to 9 September 19341935: 29 January 1935 to 14 September 19351936: 18 June 1936 to 12 November 19361937: 11 February 1937 to 26 September 19371938: 8 June 1938 to 28 August 19381939: 11 July 1939 to 8 September 19391940: 18 January 1940 to 26 November 19401941: 26 February 1941 to 27 September 19411942: 15 May 1942 to 1 September 19421943: 13 June 1943 to 19 September 19431944: 5 January 1944 to 24 September 19441945: 8 January 1945 to 30 September 19451946: 11 June 1946 to 8 December 19461947: 3 July 1947 to 1 October 19471948: 19 January 1948 to 20 November 19481949: 2 June 1949 to 25 September 19491950: 5 July 1950 to 19 September 19501951: 20 July 1951 to 2 September 19511952: 23 June 1952 to 18 August 19521953: 5 January 1953 to 3 September 19531954: 10 June 1954 to 23 September 19541955: 25 June 1955 to 24 October 19551956: 18 June 1956 to 10 October 19561957: 2 June 1957 to 25 August 19571958: 10 June 1958 to 14 October 19581959: 19 April 1959 to 9 October 19591960: 17 June 1960 to 18 August 19601963: 8 June 1963 to 26 November 19631964: 26 June 1964 to 21 September 19641968: 5 July 1968 to 10 August 196819011909191719251933194119491957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Idar meeting 10 mm (0.39 in).
First to last qualifying date each year at Idar
YearFirst dateLast date
19011901-05-051901-10-19
19021902-07-061902-09-18
19031903-07-131903-09-24
19041904-03-031904-09-15
19051905-06-291905-09-11
19061906-02-151906-09-19
19071907-02-051907-08-29
19081908-06-151908-08-25
19091909-06-131909-09-09
19101910-06-051910-10-04
19111911-03-131911-11-01
19121912-06-191912-10-11
19131913-05-201913-09-04
19141914-06-081914-09-19
19151915-06-151915-10-13
19161916-06-021916-09-29
19171917-04-101917-10-26
19181918-06-201918-09-01
19191919-05-071919-08-30
19201920-05-141920-08-03
19211921-06-121921-09-20
19221922-06-161922-11-13
19231923-07-081923-08-21
19241924-06-061924-09-29
19251925-06-021925-08-09
19261926-06-291926-09-28
19271927-06-241927-09-22
19281928-06-101928-11-29
19291929-06-161929-08-27
19301930-06-091930-09-14
19311931-07-031931-10-10
19321932-06-231932-09-07
19331933-04-161933-09-18
19341934-06-181934-09-09
19351935-01-291935-09-14
19361936-06-181936-11-12
19371937-02-111937-09-26
19381938-06-081938-08-28
19391939-07-111939-09-08
19401940-01-181940-11-26
19411941-02-261941-09-27
19421942-05-151942-09-01
19431943-06-131943-09-19
19441944-01-051944-09-24
19451945-01-081945-09-30
19461946-06-111946-12-08
19471947-07-031947-10-01
19481948-01-191948-11-20
19491949-06-021949-09-25
19501950-07-051950-09-19
19511951-07-201951-09-02
19521952-06-231952-08-18
19531953-01-051953-09-03
19541954-06-101954-09-23
19551955-06-251955-10-24
19561956-06-181956-10-10
19571957-06-021957-08-25
19581958-06-101958-10-14
19591959-04-191959-10-09
19601960-06-171960-08-18
19631963-06-081963-11-26
19641964-06-261964-09-21
19681968-07-051968-08-10

Every Fixed Threshold

Fixed thresholds at Idar
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain635019179
25 mm (0.98 in): Days with 25 mm or more rain632319446
50 mm (1.97 in): Days with 50 mm or more rain601319074
100 mm (3.94 in): Days with 100 mm or more rain37819561
200 mm (7.87 in): Days with 200 mm or more rain12219371

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 Idar 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).