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Built 2026-10-19 (19 October 2026)

Mancos 1SW Threshold Days by Year (USC00055327)

13 fixed thresholds counted per year at Mancos 1SW (USC00055327): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mancos 1SW Thresholds

  • Mancos 1SW: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1905 with 26.
  • Mancos 1SW: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1984 with 6.
  • Mancos 1SW: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 2008 with 12.
  • Mancos 1SW: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 2025 with 62.
  • 13 fixed thresholds have at least one qualifying day at Mancos 1SW.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Mancos 1SW Days per year at Mancos 1SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2025. 0204060801899: 501900: 451903: 191904: 61905: 381906: 141907: 121908: 71909: 191910: 221911: 31912: 31913: 271915: 111916: 131917: 31918: 31991: 241992: 181993: 291997: 51998: 141999: 52000: 272001: 312002: 582003: 402004: 222005: 302006: 342007: 482008: 342009: 372010: 212011: 492012: 382013: 412014: 282015: 292016: 422017: 402018: 432019: 532020: 562021: 452022: 392023: 402024: 422025: 622026: 641899190619111917199720022007201220172022
Days per year at Mancos 1SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 2025.
Days at or above 30 C (86 F) per year at Mancos 1SW
YearDaysDecade average
18995050
19004520
19031920
1904620
19053820
19061420
19071220
1908720
19091920
19102210.6
1911310.6
1912310.6
19132710.6
19151110.6
19161310.6
1917310.6
1918310.6
19912415.8
19921815.8
19932915.8
1997515.8
19981415.8
1999515.8
20002736.1
20013136.1
20025836.1
20034036.1
20042236.1
20053036.1
20063436.1
20074836.1
20083436.1
20093736.1
20102138.4
20114938.4
20123838.4
20134138.4
20142838.4
20152938.4
20164238.4
20174038.4
20184338.4
20195338.4
20205649.7
20214549.7
20223949.7
20234049.7
20244249.7
20256249.7
20266449.7
First to last qualifying date each year at Mancos 1SW For each year, a bar from the first to the last day at Mancos 1SW meeting 30 C (86 F). 1899: 11 June 1899 to 30 September 18991900: 30 May 1900 to 29 August 19001903: 26 June 1903 to 24 August 19031904: 10 July 1904 to 6 August 19041905: 21 June 1905 to 4 September 19051906: 9 June 1906 to 10 August 19061907: 2 July 1907 to 23 August 19071908: 5 July 1908 to 6 September 19081909: 4 June 1909 to 18 July 19091910: 29 May 1910 to 22 August 19101911: 27 June 1911 to 19 August 19111912: 3 June 1912 to 9 August 19121913: 1 June 1913 to 10 September 19131915: 20 June 1915 to 28 August 19151916: 17 June 1916 to 24 July 19161917: 13 July 1917 to 15 July 19171918: 10 June 1918 to 15 June 19181991: 18 June 1991 to 30 August 19911992: 22 June 1992 to 21 August 19921993: 14 June 1993 to 24 August 19931997: 14 July 1997 to 18 July 19971998: 28 June 1998 to 23 August 19981999: 24 June 1999 to 5 July 19992000: 29 May 2000 to 16 September 20002001: 7 June 2001 to 27 August 20012002: 30 May 2002 to 27 August 20022003: 27 May 2003 to 19 August 20032004: 6 June 2004 to 12 August 20042005: 20 June 2005 to 1 August 20052006: 4 June 2006 to 11 August 20062007: 15 June 2007 to 29 August 20072008: 21 June 2008 to 28 August 20082009: 30 June 2009 to 29 August 20092010: 5 June 2010 to 16 August 20102011: 22 June 2011 to 30 August 20112012: 1 July 2012 to 31 August 20122013: 8 June 2013 to 7 September 20132014: 23 June 2014 to 20 September 20142015: 19 June 2015 to 30 August 20152016: 5 June 2016 to 20 August 20162017: 7 June 2017 to 8 September 20172018: 5 June 2018 to 15 September 20182019: 28 June 2019 to 7 September 20192020: 29 May 2020 to 6 September 20202021: 4 June 2021 to 11 September 20212022: 8 June 2022 to 9 September 20222023: 26 June 2023 to 2 September 20232024: 5 June 2024 to 21 August 20242025: 1 June 2025 to 9 September 20252026: 5 June 2026 to 30 August 202618991908191619982005201220192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mancos 1SW meeting 30 C (86 F).
First to last qualifying date each year at Mancos 1SW
YearFirst dateLast date
18991899-06-111899-09-30
19001900-05-301900-08-29
19031903-06-261903-08-24
19041904-07-101904-08-06
19051905-06-211905-09-04
19061906-06-091906-08-10
19071907-07-021907-08-23
19081908-07-051908-09-06
19091909-06-041909-07-18
19101910-05-291910-08-22
19111911-06-271911-08-19
19121912-06-031912-08-09
19131913-06-011913-09-10
19151915-06-201915-08-28
19161916-06-171916-07-24
19171917-07-131917-07-15
19181918-06-101918-06-15
19911991-06-181991-08-30
19921992-06-221992-08-21
19931993-06-141993-08-24
19971997-07-141997-07-18
19981998-06-281998-08-23
19991999-06-241999-07-05
20002000-05-292000-09-16
20012001-06-072001-08-27
20022002-05-302002-08-27
20032003-05-272003-08-19
20042004-06-062004-08-12
20052005-06-202005-08-01
20062006-06-042006-08-11
20072007-06-152007-08-29
20082008-06-212008-08-28
20092009-06-302009-08-29
20102010-06-052010-08-16
20112011-06-222011-08-30
20122012-07-012012-08-31
20132013-06-082013-09-07
20142014-06-232014-09-20
20152015-06-192015-08-30
20162016-06-052016-08-20
20172017-06-072017-09-08
20182018-06-052018-09-15
20192019-06-282019-09-07
20202020-05-292020-09-06
20212021-06-042021-09-11
20222022-06-082022-09-09
20232023-06-262023-09-02
20242024-06-052024-08-21
20252025-06-012025-09-09
20262026-06-052026-08-30

Every Fixed Threshold

Fixed thresholds at Mancos 1SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5062202564
35 C (95 F): Days10320218
90 F (32.2 C): Days4227190042
0 C (32 F): Ice days (max503020082
0 C (32 F): Frost days (min502191899105
-10 C (14 F): Days with min5084190319
-20 C (-4 F): Days with min441619092
-30 C (-22 F): Days with min5218991
10 mm (0.39 in): Days with 10 mm or more rain832619053
25 mm (0.98 in): Days with 25 mm or more rain62619841
50 mm (1.97 in): Days with 50 mm or more rain2119631
10 cm (3.9 in): Days with 10 cm or more snowfall551220081
25 cm (9.8 in): Days with 25 cm or more snowfall17219131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

  • Data for Mancos 1SW 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 (2026-10-17).