Built 2026-10-19 (19 October 2026)

Layton 3 NW Threshold Days by Year (USC00284735)

19 fixed thresholds counted per year at Layton 3 NW (USC00284735): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Layton 3 NW Thresholds

  • Layton 3 NW: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1956 with 177.
  • Layton 3 NW: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1905 with 68.
  • Layton 3 NW: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1945 with 56.
  • Layton 3 NW: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1952 with 19.
  • 19 fixed thresholds have at least one qualifying day at Layton 3 NW.
56 years with a qualifying day
Days at or above 30 C (86 F) per year at Layton 3 NW Days per year at Layton 3 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1955. 02040601901: 491902: 141903: 161904: 151905: 231906: 271907: 191908: 431909: 261910: 301911: 401912: 311916: 351917: 81918: 311919: 281920: 151921: 391922: 271923: 321924: 261925: 271926: 241927: 141928: 261929: 421930: 361931: 401933: 391934: 321935: 311936: 461938: 361939: 401940: 241941: 431942: 221943: 481944: 441945: 261946: 271947: 391948: 321949: 551950: 221951: 321952: 511953: 531954: 441955: 571956: 321957: 511958: 301959: 471960: 191961: 331901190719161922192819351942194819541960
Days per year at Layton 3 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1955.
Days at or above 30 C (86 F) per year at Layton 3 NW
YearDaysDecade average
19014925.8
19021425.8
19031625.8
19041525.8
19052325.8
19062725.8
19071925.8
19084325.8
19092625.8
19103029
19114029
19123129
19163529
1917829
19183129
19192829
19201527.2
19213927.2
19222727.2
19233227.2
19242627.2
19252727.2
19262427.2
19271427.2
19282627.2
19294227.2
19303637.5
19314037.5
19333937.5
19343237.5
19353137.5
19364637.5
19383637.5
19394037.5
19402436
19414336
19422236
19434836
19444436
19452636
19462736
19473936
19483236
19495536
19502241.9
19513241.9
19525141.9
19535341.9
19544441.9
19555741.9
19563241.9
19575141.9
19583041.9
19594741.9
19601926
19613326
First to last qualifying date each year at Layton 3 NW For each year, a bar from the first to the last day at Layton 3 NW meeting 30 C (86 F). 1901: 30 April 1901 to 15 September 19011902: 22 April 1902 to 1 September 19021903: 30 April 1903 to 14 September 19031904: 25 May 1904 to 3 September 19041905: 15 June 1905 to 1 October 19051906: 17 May 1906 to 19 September 19061907: 14 May 1907 to 20 August 19071908: 28 May 1908 to 17 October 19081909: 21 June 1909 to 14 September 19091910: 20 June 1910 to 6 September 19101911: 11 May 1911 to 23 August 19111912: 21 May 1912 to 10 September 19121916: 1 July 1916 to 14 September 19161917: 23 July 1917 to 13 August 19171918: 6 May 1918 to 25 August 19181919: 29 May 1919 to 3 October 19191920: 28 May 1920 to 26 September 19201921: 22 May 1921 to 7 September 19211922: 10 April 1922 to 6 October 19221923: 21 April 1923 to 25 September 19231924: 22 June 1924 to 2 September 19241925: 23 May 1925 to 12 September 19251926: 3 July 1926 to 25 September 19261927: 10 June 1927 to 2 October 19271928: 4 May 1928 to 12 October 19281929: 6 April 1929 to 10 September 19291930: 5 May 1930 to 16 September 19301931: 28 May 1931 to 22 September 19311933: 20 May 1933 to 6 September 19331934: 5 May 1934 to 14 August 19341935: 27 April 1935 to 26 August 19351936: 8 May 1936 to 12 September 19361938: 28 April 1938 to 17 October 19381939: 25 April 1939 to 10 October 19391940: 4 June 1940 to 21 September 19401941: 20 April 1941 to 6 October 19411942: 30 April 1942 to 17 September 19421943: 8 May 1943 to 28 September 19431944: 4 May 1944 to 3 September 19441945: 14 April 1945 to 8 September 19451946: 25 May 1946 to 7 October 19461947: 13 May 1947 to 23 October 19471948: 10 May 1948 to 29 September 19481949: 5 May 1949 to 11 October 19491950: 6 June 1950 to 1 October 19501951: 15 May 1951 to 5 October 19511952: 6 June 1952 to 18 September 19521953: 10 May 1953 to 5 September 19531954: 31 May 1954 to 13 October 19541955: 5 May 1955 to 22 August 19551956: 13 May 1956 to 29 August 19561957: 26 April 1957 to 22 September 19571958: 26 June 1958 to 16 September 19581959: 12 May 1959 to 4 October 19591960: 23 April 1960 to 1 September 19601961: 6 June 1961 to 24 September 196119011908191819251933194119481955JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Layton 3 NW meeting 30 C (86 F).
First to last qualifying date each year at Layton 3 NW
YearFirst dateLast date
19011901-04-301901-09-15
19021902-04-221902-09-01
19031903-04-301903-09-14
19041904-05-251904-09-03
19051905-06-151905-10-01
19061906-05-171906-09-19
19071907-05-141907-08-20
19081908-05-281908-10-17
19091909-06-211909-09-14
19101910-06-201910-09-06
19111911-05-111911-08-23
19121912-05-211912-09-10
19161916-07-011916-09-14
19171917-07-231917-08-13
19181918-05-061918-08-25
19191919-05-291919-10-03
19201920-05-281920-09-26
19211921-05-221921-09-07
19221922-04-101922-10-06
19231923-04-211923-09-25
19241924-06-221924-09-02
19251925-05-231925-09-12
19261926-07-031926-09-25
19271927-06-101927-10-02
19281928-05-041928-10-12
19291929-04-061929-09-10
19301930-05-051930-09-16
19311931-05-281931-09-22
19331933-05-201933-09-06
19341934-05-051934-08-14
19351935-04-271935-08-26
19361936-05-081936-09-12
19381938-04-281938-10-17
19391939-04-251939-10-10
19401940-06-041940-09-21
19411941-04-201941-10-06
19421942-04-301942-09-17
19431943-05-081943-09-28
19441944-05-041944-09-03
19451945-04-141945-09-08
19461946-05-251946-10-07
19471947-05-131947-10-23
19481948-05-101948-09-29
19491949-05-051949-10-11
19501950-06-061950-10-01
19511951-05-151951-10-05
19521952-06-061952-09-18
19531953-05-101953-09-05
19541954-05-311954-10-13
19551955-05-051955-08-22
19561956-05-131956-08-29
19571957-04-261957-09-22
19581958-06-261958-09-16
19591959-05-121959-10-04
19601960-04-231960-09-01
19611961-06-061961-09-24

Every Fixed Threshold

Fixed thresholds at Layton 3 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5657195533
35 C (95 F): Days421719531
40 C (104 F): Days2119531
90 F (32.2 C): Days5636195510
100 F (37.8 C): Days12719534
0 C (32 F): Ice days (max5668190426
0 C (32 F): Frost days (min581771956153
-10 C (14 F): Days with min5868190544
-20 C (-4 F): Days with min5617190417
-30 C (-22 F): Days with min7319043
20 C (68 F): Tropical nights (min541519383
25 C (77 F): Days with min1119181
10 mm (0.39 in): Days with 10 mm or more rain5756194539
25 mm (0.98 in): Days with 25 mm or more rain571919526
50 mm (1.97 in): Days with 50 mm or more rain46619202
100 mm (3.94 in): Days with 100 mm or more rain5219031
10 cm (3.9 in): Days with 10 cm or more snowfall371219167
25 cm (9.8 in): Days with 25 cm or more snowfall14319582
50 cm (19.7 in): Days with 50 cm or more snowfall2119261

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Layton 3 NW 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).