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Built 2026-10-19 (19 October 2026)

Las Vegas Wwtp Threshold Days by Year (USC00294862)

13 fixed thresholds counted per year at Las Vegas Wwtp (USC00294862): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Las Vegas Wwtp Thresholds

  • Las Vegas Wwtp: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1986 with 25.
  • Las Vegas Wwtp: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2000 with 93.
  • Las Vegas Wwtp: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 2003 with 48.
  • Las Vegas Wwtp: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1997 with 23.
  • 13 fixed thresholds have at least one qualifying day at Las Vegas Wwtp.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Las Vegas Wwtp Days per year at Las Vegas Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 2000. 02550751001984: 271985: 341986: 241987: 311988: 161989: 311990: 301991: 201992: 211993: 371995: 591996: 521997: 331998: 491999: 292000: 932001: 712002: 832003: 802004: 382005: 532006: 542007: 442008: 392009: 452010: 512022: 432025: 322026: 871984198719901993199720002003200620092025
Days per year at Las Vegas Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 2000.
Days at or above 30 C (86 F) per year at Las Vegas Wwtp
YearDaysDecade average
19842727.2
19853427.2
19862427.2
19873127.2
19881627.2
19893127.2
19903036.7
19912036.7
19922136.7
19933736.7
19955936.7
19965236.7
19973336.7
19984936.7
19992936.7
20009360
20017160
20028360
20038060
20043860
20055360
20065460
20074460
20083960
20094560
20105151
20224354
20253254
20268754
First to last qualifying date each year at Las Vegas Wwtp For each year, a bar from the first to the last day at Las Vegas Wwtp meeting 30 C (86 F). 1984: 13 May 1984 to 11 September 19841985: 8 June 1985 to 2 September 19851986: 15 June 1986 to 23 August 19861987: 16 June 1987 to 22 August 19871988: 21 June 1988 to 14 August 19881989: 9 May 1989 to 12 August 19891990: 5 June 1990 to 1 September 19901991: 16 May 1991 to 29 August 19911992: 18 June 1992 to 10 September 19921993: 13 June 1993 to 13 August 19931995: 13 June 1995 to 8 September 19951996: 13 May 1996 to 19 August 19961997: 19 June 1997 to 30 August 19971998: 30 May 1998 to 29 September 19981999: 24 June 1999 to 4 September 19992000: 5 May 2000 to 5 October 20002001: 17 May 2001 to 1 October 20012002: 30 May 2002 to 13 September 20022003: 18 May 2003 to 8 September 20032004: 2 June 2004 to 18 September 20042005: 21 May 2005 to 31 August 20052006: 20 May 2006 to 14 August 20062007: 18 June 2007 to 17 September 20072008: 31 May 2008 to 29 August 20082009: 18 June 2009 to 24 August 20092010: 5 June 2010 to 2 October 20102022: 28 May 2022 to 21 September 20222025: 14 June 2025 to 27 September 20252026: 22 March 2026 to 15 September 202619841988199219972001200520092026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Las Vegas Wwtp meeting 30 C (86 F).
First to last qualifying date each year at Las Vegas Wwtp
YearFirst dateLast date
19841984-05-131984-09-11
19851985-06-081985-09-02
19861986-06-151986-08-23
19871987-06-161987-08-22
19881988-06-211988-08-14
19891989-05-091989-08-12
19901990-06-051990-09-01
19911991-05-161991-08-29
19921992-06-181992-09-10
19931993-06-131993-08-13
19951995-06-131995-09-08
19961996-05-131996-08-19
19971997-06-191997-08-30
19981998-05-301998-09-29
19991999-06-241999-09-04
20002000-05-052000-10-05
20012001-05-172001-10-01
20022002-05-302002-09-13
20032003-05-182003-09-08
20042004-06-022004-09-18
20052005-05-212005-08-31
20062006-05-202006-08-14
20072007-06-182007-09-17
20082008-05-312008-08-29
20092009-06-182009-08-24
20102010-06-052010-10-02
20222022-05-282022-09-21
20252025-06-142025-09-27
20262026-03-222026-09-15

Every Fixed Threshold

Fixed thresholds at Las Vegas Wwtp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2993200087
35 C (95 F): Days121020036
90 F (32.2 C): Days2948200347
0 C (32 F): Ice days (max282319974
0 C (32 F): Frost days (min282231995108
-10 C (14 F): Days with min2889200239
-20 C (-4 F): Days with min252019875
-30 C (-22 F): Days with min2319901
10 mm (0.39 in): Days with 10 mm or more rain3025198616
25 mm (0.98 in): Days with 25 mm or more rain28719995
50 mm (1.97 in): Days with 50 mm or more rain9219971
10 cm (3.9 in): Days with 10 cm or more snowfall24619971
25 cm (9.8 in): Days with 25 cm or more snowfall9119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1984.

Download the Data

  • Data for Las Vegas Wwtp 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).