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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Mtn View Threshold Days by Year (USC00486555)

13 fixed thresholds counted per year at Mtn View (USC00486555): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mtn View Thresholds

  • Mtn View: days with a maximum temperature at or below 0 C (32 F) in 53 years, most in 2023 with 82.
  • Mtn View: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1971 with 240.
  • Mtn View: nights with a minimum temperature at or below -10 C (14 F) in 52 years, most in 1973 with 103.
  • Mtn View: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 2007 with 31.
  • 13 fixed thresholds have at least one qualifying day at Mtn View.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Mtn View Days per year at Mtn View with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 2007. 0102030401967: 11969: 31970: 111971: 61972: 61973: 51974: 51976: 101977: 51978: 111979: 141980: 91981: 111982: 61983: 71984: 21985: 91986: 71989: 121990: 141991: 31992: 131994: 191995: 81996: 91997: 41998: 91999: 12000: 182001: 152002: 182003: 172004: 12005: 122006: 142007: 312008: 72009: 72010: 82011: 52012: 142013: 192019: 52020: 102021: 202022: 152023: 52024: 122025: 122026: 301967197319791984199119972002200720122022
Days per year at Mtn View with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 2007.
Days at or above 30 C (86 F) per year at Mtn View
YearDaysDecade average
196712
196932
1970118.1
197168.1
197268.1
197358.1
197458.1
1976108.1
197758.1
1978118.1
1979148.1
198097.9
1981117.9
198267.9
198377.9
198427.9
198597.9
198677.9
1989127.9
1990148.9
199138.9
1992138.9
1994198.9
199588.9
199698.9
199748.9
199898.9
199918.9
20001814
20011514
20021814
20031714
2004114
20051214
20061414
20073114
2008714
2009714
2010810.2
2011510.2
20121410.2
20131910.2
2019510.2
20201014.9
20212014.9
20221514.9
2023514.9
20241214.9
20251214.9
20263014.9
First to last qualifying date each year at Mtn View For each year, a bar from the first to the last day at Mtn View meeting 30 C (86 F). 1967: 17 August 1967 to 17 August 19671969: 2 August 1969 to 24 August 19691970: 26 June 1970 to 25 August 19701971: 13 July 1971 to 15 August 19711972: 29 July 1972 to 11 August 19721973: 4 July 1973 to 11 July 19731974: 14 June 1974 to 13 July 19741976: 4 July 1976 to 5 September 19761977: 5 June 1977 to 5 September 19771978: 14 July 1978 to 6 September 19781979: 25 June 1979 to 7 September 19791980: 21 July 1980 to 14 August 19801981: 25 June 1981 to 25 August 19811982: 21 July 1982 to 22 August 19821983: 18 July 1983 to 8 August 19831984: 29 June 1984 to 6 July 19841985: 7 June 1985 to 30 August 19851986: 16 June 1986 to 18 August 19861989: 15 June 1989 to 31 July 19891990: 25 June 1990 to 12 September 19901991: 5 July 1991 to 13 July 19911992: 23 June 1992 to 21 August 19921994: 25 June 1994 to 18 August 19941995: 8 July 1995 to 2 September 19951996: 2 July 1996 to 13 August 19961997: 15 July 1997 to 3 August 19971998: 15 July 1998 to 4 September 19981999: 6 July 1999 to 6 July 19992000: 12 July 2000 to 14 August 20002001: 29 June 2001 to 27 August 20012002: 31 May 2002 to 30 July 20022003: 28 May 2003 to 15 August 20032004: 12 July 2004 to 12 July 20042005: 21 June 2005 to 21 July 20052006: 14 July 2006 to 22 August 20062007: 20 June 2007 to 14 August 20072008: 15 July 2008 to 24 August 20082009: 17 July 2009 to 22 August 20092010: 29 June 2010 to 27 August 20102011: 3 July 2011 to 25 August 20112012: 4 June 2012 to 9 August 20122013: 27 June 2013 to 18 August 20132019: 12 July 2019 to 4 September 20192020: 6 June 2020 to 6 September 20202021: 5 June 2021 to 15 August 20212022: 8 July 2022 to 8 September 20222023: 17 July 2023 to 31 July 20232024: 14 June 2024 to 8 August 20242025: 20 June 2025 to 21 August 20252026: 25 June 2026 to 28 August 202619671976198319922000200720192026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mtn View meeting 30 C (86 F).
First to last qualifying date each year at Mtn View
YearFirst dateLast date
19671967-08-171967-08-17
19691969-08-021969-08-24
19701970-06-261970-08-25
19711971-07-131971-08-15
19721972-07-291972-08-11
19731973-07-041973-07-11
19741974-06-141974-07-13
19761976-07-041976-09-05
19771977-06-051977-09-05
19781978-07-141978-09-06
19791979-06-251979-09-07
19801980-07-211980-08-14
19811981-06-251981-08-25
19821982-07-211982-08-22
19831983-07-181983-08-08
19841984-06-291984-07-06
19851985-06-071985-08-30
19861986-06-161986-08-18
19891989-06-151989-07-31
19901990-06-251990-09-12
19911991-07-051991-07-13
19921992-06-231992-08-21
19941994-06-251994-08-18
19951995-07-081995-09-02
19961996-07-021996-08-13
19971997-07-151997-08-03
19981998-07-151998-09-04
19991999-07-061999-07-06
20002000-07-122000-08-14
20012001-06-292001-08-27
20022002-05-312002-07-30
20032003-05-282003-08-15
20042004-07-122004-07-12
20052005-06-212005-07-21
20062006-07-142006-08-22
20072007-06-202007-08-14
20082008-07-152008-08-24
20092009-07-172009-08-22
20102010-06-292010-08-27
20112011-07-032011-08-25
20122012-06-042012-08-09
20132013-06-272013-08-18
20192019-07-122019-09-04
20202020-06-062020-09-06
20212021-06-052021-08-15
20222022-07-082022-09-08
20232023-07-172023-07-31
20242024-06-142024-08-08
20252025-06-202025-08-21
20262026-06-252026-08-28

Every Fixed Threshold

Fixed thresholds at Mtn View
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5031200730
90 F (32.2 C): Days227198910
0 C (32 F): Ice days (max538220237
0 C (32 F): Frost days (min522401971116
-10 C (14 F): Days with min52103197319
-20 C (-4 F): Days with min502719731
-30 C (-22 F): Days with min11319792
-40 C (-40 F): Days with min1119901
10 mm (0.39 in): Days with 10 mm or more rain501320114
25 mm (0.98 in): Days with 25 mm or more rain16320111
50 mm (1.97 in): Days with 50 mm or more rain1120131
10 cm (3.9 in): Days with 10 cm or more snowfall451220111
25 cm (9.8 in): Days with 25 cm or more snowfall6119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Mtn View 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).