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Built 2026-10-19 (19 October 2026)

Greenland Rch Threshold Days by Year (USC00043603)

14 fixed thresholds counted per year at Greenland Rch (USC00043603): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenland Rch Thresholds

  • Greenland Rch: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1934 with 237.
  • Greenland Rch: days with a maximum temperature at or above 35 C (95 F) in 47 years, most in 1928 with 194.
  • Greenland Rch: days with a maximum temperature at or above 40 C (104 F) in 47 years, most in 1928 with 137.
  • Greenland Rch: days with a maximum temperature at or above 45 C (113 F) in 47 years, most in 1924 with 85.
  • 14 fixed thresholds have at least one qualifying day at Greenland Rch.
47 years with a qualifying day
Days at or above 30 C (86 F) per year at Greenland Rch Days per year at Greenland Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 237 in 1934. 01002003001912: 2101913: 2221914: 2231915: 2171916: 2011917: 2051918: 1831919: 1811920: 1621921: 1801922: 1861923: 2011924: 1961925: 2101926: 2121927: 1911928: 2291929: 2111930: 2281931: 2281932: 2251933: 2061934: 2371935: 1911936: 2191937: 2131938: 1881939: 2111940: 2091941: 1861942: 1981943: 2041944: 2121945: 2081946: 2131947: 2181948: 2001949: 2041950: 2331951: 2131952: 2151953: 2111954: 2191955: 2051956: 1991959: 2211960: 2181912191719221927193219371942194719521959
Days per year at Greenland Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 237 in 1934.
Days at or above 30 C (86 F) per year at Greenland Rch
YearDaysDecade average
1912210205.3
1913222205.3
1914223205.3
1915217205.3
1916201205.3
1917205205.3
1918183205.3
1919181205.3
1920162197.8
1921180197.8
1922186197.8
1923201197.8
1924196197.8
1925210197.8
1926212197.8
1927191197.8
1928229197.8
1929211197.8
1930228214.6
1931228214.6
1932225214.6
1933206214.6
1934237214.6
1935191214.6
1936219214.6
1937213214.6
1938188214.6
1939211214.6
1940209205.2
1941186205.2
1942198205.2
1943204205.2
1944212205.2
1945208205.2
1946213205.2
1947218205.2
1948200205.2
1949204205.2
1950233214.5
1951213214.5
1952215214.5
1953211214.5
1954219214.5
1955205214.5
1956199214.5
1959221214.5
1960218218
First to last qualifying date each year at Greenland Rch For each year, a bar from the first to the last day at Greenland Rch meeting 30 C (86 F). 1912: 1 February 1912 to 24 November 19121913: 15 February 1913 to 11 November 19131914: 5 March 1914 to 10 November 19141915: 14 March 1915 to 5 November 19151916: 8 March 1916 to 25 October 19161917: 25 March 1917 to 4 November 19171918: 25 March 1918 to 31 October 19181919: 29 March 1919 to 15 October 19191920: 6 April 1920 to 16 October 19201921: 13 February 1921 to 11 November 19211922: 15 March 1922 to 27 November 19221923: 18 February 1923 to 5 November 19231924: 1 April 1924 to 3 November 19241925: 3 March 1925 to 1 November 19251926: 27 February 1926 to 7 November 19261927: 19 February 1927 to 6 December 19271928: 11 March 1928 to 2 November 19281929: 5 March 1929 to 5 November 19291930: 13 February 1930 to 11 November 19301931: 17 February 1931 to 8 November 19311932: 25 February 1932 to 21 November 19321933: 1 April 1933 to 24 November 19331934: 3 March 1934 to 11 November 19341935: 2 February 1935 to 29 October 19351936: 1 March 1936 to 21 November 19361937: 7 March 1937 to 6 November 19371938: 10 March 1938 to 30 October 19381939: 15 March 1939 to 6 November 19391940: 18 March 1940 to 25 October 19401941: 19 March 1941 to 7 November 19411942: 29 March 1942 to 3 November 19421943: 22 February 1943 to 5 November 19431944: 9 March 1944 to 4 November 19441945: 14 February 1945 to 18 November 19451946: 7 March 1946 to 3 November 19461947: 23 February 1947 to 1 November 19471948: 1 April 1948 to 3 November 19481949: 16 March 1949 to 4 December 19491950: 19 February 1950 to 23 November 19501951: 13 March 1951 to 7 November 19511952: 25 March 1952 to 8 November 19521953: 5 March 1953 to 13 November 19531954: 31 January 1954 to 26 November 19541955: 9 March 1955 to 11 November 19551956: 4 March 1956 to 11 November 19561959: 2 March 1959 to 28 October 19591960: 7 March 1960 to 30 October 196019121918192419301936194219481954JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenland Rch meeting 30 C (86 F).
First to last qualifying date each year at Greenland Rch
YearFirst dateLast date
19121912-02-011912-11-24
19131913-02-151913-11-11
19141914-03-051914-11-10
19151915-03-141915-11-05
19161916-03-081916-10-25
19171917-03-251917-11-04
19181918-03-251918-10-31
19191919-03-291919-10-15
19201920-04-061920-10-16
19211921-02-131921-11-11
19221922-03-151922-11-27
19231923-02-181923-11-05
19241924-04-011924-11-03
19251925-03-031925-11-01
19261926-02-271926-11-07
19271927-02-191927-12-06
19281928-03-111928-11-02
19291929-03-051929-11-05
19301930-02-131930-11-11
19311931-02-171931-11-08
19321932-02-251932-11-21
19331933-04-011933-11-24
19341934-03-031934-11-11
19351935-02-021935-10-29
19361936-03-011936-11-21
19371937-03-071937-11-06
19381938-03-101938-10-30
19391939-03-151939-11-06
19401940-03-181940-10-25
19411941-03-191941-11-07
19421942-03-291942-11-03
19431943-02-221943-11-05
19441944-03-091944-11-04
19451945-02-141945-11-18
19461946-03-071946-11-03
19471947-02-231947-11-01
19481948-04-011948-11-03
19491949-03-161949-12-04
19501950-02-191950-11-23
19511951-03-131951-11-07
19521952-03-251952-11-08
19531953-03-051953-11-13
19541954-01-311954-11-26
19551955-03-091955-11-11
19561956-03-041956-11-11
19591959-03-021959-10-28
19601960-03-071960-10-30

Every Fixed Threshold

Fixed thresholds at Greenland Rch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days472371934218
35 C (95 F): Days471941928176
40 C (104 F): Days471371928135
45 C (113 F): Days4785192481
50 C (122 F): Days433319179
90 F (32.2 C): Days472211928208
100 F (37.8 C): Days471601960160
110 F (43.3 C): Days47109192499
120 F (48.9 C): Days4752191716
0 C (32 F): Frost days (min365819284
20 C (68 F): Tropical nights (min381721959162
25 C (77 F): Days with min381191960119
10 mm (0.39 in): Days with 10 mm or more rain24519131
25 mm (0.98 in): Days with 25 mm or more rain2119271

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Greenland Rch 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).