Built 2026-10-18 (18 October 2026)

Grassmere 1 Threshold Days by Year

3 fixed thresholds counted per year at Grassmere 1 (ASN00046008): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grassmere 1 Thresholds

  • Grassmere 1: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1911 with 17.
  • Grassmere 1: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1911 with 6.
  • Grassmere 1: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1939 with 2.
  • 3 fixed thresholds have at least one qualifying day at Grassmere 1.
51 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Grassmere 1 Days per year at Grassmere 1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1911. 051015201895: 61896: 21897: 51898: 31901: 71902: 41904: 71909: 31910: 61911: 171912: 61913: 61914: 91915: 81916: 91917: 131918: 31919: 31920: 91921: 71922: 21923: 31924: 31925: 121926: 61927: 31928: 81929: 41930: 91931: 51932: 61933: 71934: 41935: 31936: 91937: 41938: 31939: 81941: 51942: 81943: 21944: 41945: 71946: 61947: 71948: 21949: 81950: 101951: 51952: 61953: 4189519041914192019261932193819451951
Days per year at Grassmere 1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1911.
Days with 10 mm (0.39 in) or more of precipitation per year at Grassmere 1
YearDaysDecade average
189564
189624
189754
189834
190175.3
190245.3
190475.3
190935.3
191068
1911178
191268
191368
191498
191588
191698
1917138
191838
191938
192095.7
192175.7
192225.7
192335.7
192435.7
1925125.7
192665.7
192735.7
192885.7
192945.7
193095.8
193155.8
193265.8
193375.8
193445.8
193535.8
193695.8
193745.8
193835.8
193985.8
194155.4
194285.4
194325.4
194445.4
194575.4
194665.4
194775.4
194825.4
194985.4
1950106.3
195156.3
195266.3
195346.3
First to last qualifying date each year at Grassmere 1 For each year, a bar from the first to the last day at Grassmere 1 meeting 10 mm (0.39 in). 1895: 17 February 1895 to 6 December 18951896: 22 May 1896 to 24 July 18961897: 8 January 1897 to 18 June 18971898: 26 February 1898 to 30 August 18981901: 18 February 1901 to 25 August 19011902: 21 August 1902 to 16 December 19021904: 22 May 1904 to 16 December 19041909: 31 January 1909 to 24 June 19091910: 10 January 1910 to 4 November 19101911: 11 January 1911 to 16 December 19111912: 10 January 1912 to 26 December 19121913: 14 February 1913 to 28 October 19131914: 12 January 1914 to 22 December 19141915: 19 February 1915 to 14 December 19151916: 25 April 1916 to 22 November 19161917: 12 January 1917 to 21 November 19171918: 26 January 1918 to 16 May 19181919: 8 May 1919 to 28 December 19191920: 1 June 1920 to 6 December 19201921: 20 February 1921 to 26 December 19211922: 20 June 1922 to 17 December 19221923: 3 June 1923 to 30 July 19231924: 6 January 1924 to 6 November 19241925: 14 January 1925 to 15 November 19251926: 2 January 1926 to 29 August 19261927: 21 October 1927 to 19 December 19271928: 18 January 1928 to 27 July 19281929: 22 February 1929 to 27 December 19291930: 3 March 1930 to 7 December 19301931: 13 March 1931 to 26 September 19311932: 8 February 1932 to 30 November 19321933: 6 April 1933 to 26 December 19331934: 22 February 1934 to 8 November 19341935: 23 February 1935 to 26 September 19351936: 4 January 1936 to 25 October 19361937: 8 January 1937 to 12 June 19371938: 29 July 1938 to 24 October 19381939: 26 February 1939 to 4 November 19391941: 3 January 1941 to 27 December 19411942: 18 February 1942 to 30 October 19421943: 17 February 1943 to 19 November 19431944: 6 February 1944 to 10 August 19441945: 20 June 1945 to 26 October 19451946: 24 January 1946 to 27 December 19461947: 12 February 1947 to 31 October 19471948: 11 April 1948 to 29 December 19481949: 28 February 1949 to 25 October 19491950: 3 February 1950 to 22 December 19501951: 4 January 1951 to 24 December 19511952: 21 March 1952 to 27 October 19521953: 5 January 1953 to 13 October 195318951909191619231930193719451952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grassmere 1 meeting 10 mm (0.39 in).
First to last qualifying date each year at Grassmere 1
YearFirst dateLast date
18951895-02-171895-12-06
18961896-05-221896-07-24
18971897-01-081897-06-18
18981898-02-261898-08-30
19011901-02-181901-08-25
19021902-08-211902-12-16
19041904-05-221904-12-16
19091909-01-311909-06-24
19101910-01-101910-11-04
19111911-01-111911-12-16
19121912-01-101912-12-26
19131913-02-141913-10-28
19141914-01-121914-12-22
19151915-02-191915-12-14
19161916-04-251916-11-22
19171917-01-121917-11-21
19181918-01-261918-05-16
19191919-05-081919-12-28
19201920-06-011920-12-06
19211921-02-201921-12-26
19221922-06-201922-12-17
19231923-06-031923-07-30
19241924-01-061924-11-06
19251925-01-141925-11-15
19261926-01-021926-08-29
19271927-10-211927-12-19
19281928-01-181928-07-27
19291929-02-221929-12-27
19301930-03-031930-12-07
19311931-03-131931-09-26
19321932-02-081932-11-30
19331933-04-061933-12-26
19341934-02-221934-11-08
19351935-02-231935-09-26
19361936-01-041936-10-25
19371937-01-081937-06-12
19381938-07-291938-10-24
19391939-02-261939-11-04
19411941-01-031941-12-27
19421942-02-181942-10-30
19431943-02-171943-11-19
19441944-02-061944-08-10
19451945-06-201945-10-26
19461946-01-241946-12-27
19471947-02-121947-10-31
19481948-04-111948-12-29
19491949-02-281949-10-25
19501950-02-031950-12-22
19511951-01-041951-12-24
19521952-03-211952-10-27
19531953-01-051953-10-13

Every Fixed Threshold

Fixed thresholds at Grassmere 1
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain511719114
25 mm (0.98 in): Days with 25 mm or more rain36619111
50 mm (1.97 in): Days with 50 mm or more rain12219391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Grassmere 1 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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