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

Las Vegas Exp Plot Threshold Days by Year (USC00294858)

14 fixed thresholds counted per year at Las Vegas Exp Plot (USC00294858): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Las Vegas Exp Plot Thresholds

  • Las Vegas Exp Plot: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1914 with 23.
  • Las Vegas Exp Plot: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1925 with 7.
  • Las Vegas Exp Plot: days with 10 cm (3.9 in) or more of snowfall in 9 years, most in 1918 with 6.
  • Las Vegas Exp Plot: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1919 with 2.
  • 14 fixed thresholds have at least one qualifying day at Las Vegas Exp Plot.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Las Vegas Exp Plot Days per year at Las Vegas Exp Plot with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1939. 02040601939: 581940: 401941: 41942: 251943: 441944: 30193919401941194219431944
Days per year at Las Vegas Exp Plot with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1939.
Days at or above 30 C (86 F) per year at Las Vegas Exp Plot
YearDaysDecade average
19395858
19404028.6
1941428.6
19422528.6
19434428.6
19443028.6
First to last qualifying date each year at Las Vegas Exp Plot For each year, a bar from the first to the last day at Las Vegas Exp Plot meeting 30 C (86 F). 1939: 19 May 1939 to 7 September 19391940: 3 May 1940 to 9 September 19401941: 2 June 1941 to 12 August 19411942: 16 June 1942 to 9 August 19421943: 9 June 1943 to 12 September 19431944: 19 June 1944 to 23 September 1944193919401941194219431944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Las Vegas Exp Plot meeting 30 C (86 F).
First to last qualifying date each year at Las Vegas Exp Plot
YearFirst dateLast date
19391939-05-191939-09-07
19401940-05-031940-09-09
19411941-06-021941-08-12
19421942-06-161942-08-09
19431943-06-091943-09-12
19441944-06-191944-09-23

Every Fixed Threshold

Fixed thresholds at Las Vegas Exp Plot
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days658193930
35 C (95 F): Days3119391
90 F (32.2 C): Days518193915
0 C (32 F): Ice days (max5919391
0 C (32 F): Frost days (min61821944182
-10 C (14 F): Days with min660194460
-20 C (-4 F): Days with min5419394
-30 C (-22 F): Days with min1119431
10 mm (0.39 in): Days with 10 mm or more rain202319149
25 mm (0.98 in): Days with 25 mm or more rain17719251
50 mm (1.97 in): Days with 50 mm or more rain8219192
10 cm (3.9 in): Days with 10 cm or more snowfall9619182
25 cm (9.8 in): Days with 25 cm or more snowfall4319193
50 cm (19.7 in): Days with 50 cm or more snowfall1119191

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Las Vegas Exp Plot 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).