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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Rio Grande (Smn) Threshold Days by Year (MXN00032045)

13 fixed thresholds counted per year at Rio Grande (Smn) (MXN00032045): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rio Grande (Smn) Thresholds

  • Rio Grande (Smn): days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1959 with 30.
  • Rio Grande (Smn): days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1945 with 274.
  • Rio Grande (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 48 years, most in 1960 with 230.
  • Rio Grande (Smn): nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 2010 with 76.
  • 13 fixed thresholds have at least one qualifying day at Rio Grande (Smn).
48 years with a qualifying day
Days at or above 30 C (86 F) per year at Rio Grande (Smn) Days per year at Rio Grande (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 274 in 1945. 01002003001923: 1641924: 1641925: 2101926: 1511927: 1271928: 1271929: 1521930: 1441931: 1771932: 1591935: 491942: 1811943: 1981944: 1561945: 2741947: 2531948: 661949: 2291950: 2241951: 2071952: 2041955: 1921956: 1501957: 1641958: 1921959: 1811960: 2341961: 2151962: 1431963: 1391964: 1461991: 851992: 301993: 671994: 911995: 1071996: 841997: 531998: 1181999: 742000: 452005: 752006: 682007: 462009: 892010: 872011: 1552012: 1411923192819351947195219591964199520002010
Days per year at Rio Grande (Smn) with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 274 in 1945.
Days at or above 30 C (86 F) per year at Rio Grande (Smn)
YearDaysDecade average
1923164156.4
1924164156.4
1925210156.4
1926151156.4
1927127156.4
1928127156.4
1929152156.4
1930144132.3
1931177132.3
1932159132.3
193549132.3
1942181193.9
1943198193.9
1944156193.9
1945274193.9
1947253193.9
194866193.9
1949229193.9
1950224189.3
1951207189.3
1952204189.3
1955192189.3
1956150189.3
1957164189.3
1958192189.3
1959181189.3
1960234175.4
1961215175.4
1962143175.4
1963139175.4
1964146175.4
19918578.8
19923078.8
19936778.8
19949178.8
199510778.8
19968478.8
19975378.8
199811878.8
19997478.8
20004564.6
20057564.6
20066864.6
20074664.6
20098964.6
201087127.7
2011155127.7
2012141127.7
First to last qualifying date each year at Rio Grande (Smn) For each year, a bar from the first to the last day at Rio Grande (Smn) meeting 30 C (86 F). 1923: 10 March 1923 to 28 December 19231924: 2 January 1924 to 21 December 19241925: 9 January 1925 to 31 December 19251926: 16 February 1926 to 31 October 19261927: 3 March 1927 to 16 November 19271928: 4 March 1928 to 22 October 19281929: 20 January 1929 to 9 November 19291930: 10 February 1930 to 17 October 19301931: 28 March 1931 to 30 November 19311932: 4 February 1932 to 30 October 19321935: 25 March 1935 to 16 July 19351942: 1 April 1942 to 1 November 19421943: 23 February 1943 to 4 November 19431944: 17 February 1944 to 12 November 19441945: 18 February 1945 to 23 December 19451947: 1 March 1947 to 23 November 19471948: 29 April 1948 to 22 December 19481949: 21 January 1949 to 31 December 19491950: 10 February 1950 to 25 October 19501951: 19 February 1951 to 26 November 19511952: 1 January 1952 to 23 November 19521955: 10 February 1955 to 27 November 19551956: 10 February 1956 to 15 December 19561957: 4 February 1957 to 16 October 19571958: 7 March 1958 to 16 November 19581959: 2 May 1959 to 31 October 19591960: 15 April 1960 to 6 December 19601961: 30 January 1961 to 17 December 19611962: 17 March 1962 to 20 October 19621963: 20 March 1963 to 16 September 19631964: 21 March 1964 to 24 September 19641991: 5 March 1991 to 16 November 19911992: 20 March 1992 to 20 September 19921993: 18 March 1993 to 18 October 19931994: 21 February 1994 to 3 October 19941995: 21 March 1995 to 6 November 19951996: 22 February 1996 to 4 September 19961997: 22 April 1997 to 23 August 19971998: 24 March 1998 to 22 December 19981999: 5 April 1999 to 26 September 19992000: 24 March 2000 to 30 July 20002005: 28 March 2005 to 19 July 20052006: 7 March 2006 to 12 August 20062007: 28 February 2007 to 18 October 20072009: 24 March 2009 to 26 August 20092010: 3 April 2010 to 27 October 20102011: 16 February 2011 to 2 November 20112012: 29 February 2012 to 11 November 201219231929194319501958196419962006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rio Grande (Smn) meeting 30 C (86 F).
First to last qualifying date each year at Rio Grande (Smn)
YearFirst dateLast date
19231923-03-101923-12-28
19241924-01-021924-12-21
19251925-01-091925-12-31
19261926-02-161926-10-31
19271927-03-031927-11-16
19281928-03-041928-10-22
19291929-01-201929-11-09
19301930-02-101930-10-17
19311931-03-281931-11-30
19321932-02-041932-10-30
19351935-03-251935-07-16
19421942-04-011942-11-01
19431943-02-231943-11-04
19441944-02-171944-11-12
19451945-02-181945-12-23
19471947-03-011947-11-23
19481948-04-291948-12-22
19491949-01-211949-12-31
19501950-02-101950-10-25
19511951-02-191951-11-26
19521952-01-011952-11-23
19551955-02-101955-11-27
19561956-02-101956-12-15
19571957-02-041957-10-16
19581958-03-071958-11-16
19591959-05-021959-10-31
19601960-04-151960-12-06
19611961-01-301961-12-17
19621962-03-171962-10-20
19631963-03-201963-09-16
19641964-03-211964-09-24
19911991-03-051991-11-16
19921992-03-201992-09-20
19931993-03-181993-10-18
19941994-02-211994-10-03
19951995-03-211995-11-06
19961996-02-221996-09-04
19971997-04-221997-08-23
19981998-03-241998-12-22
19991999-04-051999-09-26
20002000-03-242000-07-30
20052005-03-282005-07-19
20062006-03-072006-08-12
20072007-02-282007-10-18
20092009-03-242009-08-26
20102010-04-032010-10-27
20112011-02-162011-11-02
20122012-02-292012-11-11

Every Fixed Threshold

Fixed thresholds at Rio Grande (Smn)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days482741945141
35 C (95 F): Days42218196016
40 C (104 F): Days1149194234
90 F (32.2 C): Days48230196050
100 F (37.8 C): Days2415419601
110 F (43.3 C): Days1519425
0 C (32 F): Frost days (min4676201022
-10 C (14 F): Days with min3219972
20 C (68 F): Tropical nights (min91519432
10 mm (0.39 in): Days with 10 mm or more rain503019598
25 mm (0.98 in): Days with 25 mm or more rain39919271
50 mm (1.97 in): Days with 50 mm or more rain9219961
100 mm (3.94 in): Days with 100 mm or more rain1119521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Rio Grande (Smn) 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).