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Built 2026-10-19 (19 October 2026)

Lower Mill Creek Threshold Days by Year (USC00425229)

16 fixed thresholds counted per year at Lower Mill Creek (USC00425229): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lower Mill Creek Thresholds

  • Lower Mill Creek: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1918 with 143.
  • Lower Mill Creek: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1949 with 42.
  • Lower Mill Creek: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1933 with 85.
  • Lower Mill Creek: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1933 with 57.
  • 16 fixed thresholds have at least one qualifying day at Lower Mill Creek.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Lower Mill Creek Days per year at Lower Mill Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1933. 02550751001914: 421915: 571917: 621918: 491919: 711920: 421923: 521924: 691925: 531926: 551927: 411928: 201929: 531930: 461932: 661933: 851934: 791935: 691936: 581937: 481938: 311939: 461940: 671941: 301942: 611943: 601944: 431945: 331946: 451947: 421948: 621949: 501950: 401951: 491952: 57191419191925192919341938194219461950
Days per year at Lower Mill Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1933.
Days at or above 30 C (86 F) per year at Lower Mill Creek
YearDaysDecade average
19144256.2
19155756.2
19176256.2
19184956.2
19197156.2
19204248.1
19235248.1
19246948.1
19255348.1
19265548.1
19274148.1
19282048.1
19295348.1
19304658.7
19326658.7
19338558.7
19347958.7
19356958.7
19365858.7
19374858.7
19383158.7
19394658.7
19406749.3
19413049.3
19426149.3
19436049.3
19444349.3
19453349.3
19464549.3
19474249.3
19486249.3
19495049.3
19504048.7
19514948.7
19525748.7
First to last qualifying date each year at Lower Mill Creek For each year, a bar from the first to the last day at Lower Mill Creek meeting 30 C (86 F). 1914: 12 June 1914 to 19 September 19141915: 16 June 1915 to 21 September 19151917: 8 June 1917 to 20 September 19171918: 7 June 1918 to 15 October 19181919: 20 May 1919 to 11 September 19191920: 21 June 1920 to 23 August 19201923: 11 June 1923 to 12 September 19231924: 12 June 1924 to 14 September 19241925: 28 May 1925 to 30 August 19251926: 6 June 1926 to 30 August 19261927: 15 May 1927 to 5 August 19271928: 25 June 1928 to 22 August 19281929: 14 June 1929 to 19 September 19291930: 7 June 1930 to 30 August 19301932: 14 June 1932 to 17 September 19321933: 30 May 1933 to 20 September 19331934: 6 May 1934 to 18 September 19341935: 7 June 1935 to 21 September 19351936: 13 May 1936 to 9 September 19361937: 20 June 1937 to 19 September 19371938: 5 June 1938 to 18 September 19381939: 13 June 1939 to 1 September 19391940: 12 June 1940 to 11 September 19401941: 17 June 1941 to 27 August 19411942: 22 May 1942 to 9 September 19421943: 27 May 1943 to 17 September 19431944: 24 June 1944 to 21 September 19441945: 6 July 1945 to 15 September 19451946: 3 June 1946 to 13 September 19461947: 3 May 1947 to 25 September 19471948: 16 May 1948 to 16 September 19481949: 15 June 1949 to 27 September 19491950: 21 June 1950 to 13 October 19501951: 27 May 1951 to 18 September 19511952: 7 June 1952 to 3 October 19521914192019271933193819431948JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lower Mill Creek meeting 30 C (86 F).
First to last qualifying date each year at Lower Mill Creek
YearFirst dateLast date
19141914-06-121914-09-19
19151915-06-161915-09-21
19171917-06-081917-09-20
19181918-06-071918-10-15
19191919-05-201919-09-11
19201920-06-211920-08-23
19231923-06-111923-09-12
19241924-06-121924-09-14
19251925-05-281925-08-30
19261926-06-061926-08-30
19271927-05-151927-08-05
19281928-06-251928-08-22
19291929-06-141929-09-19
19301930-06-071930-08-30
19321932-06-141932-09-17
19331933-05-301933-09-20
19341934-05-061934-09-18
19351935-06-071935-09-21
19361936-05-131936-09-09
19371937-06-201937-09-19
19381938-06-051938-09-18
19391939-06-131939-09-01
19401940-06-121940-09-11
19411941-06-171941-08-27
19421942-05-221942-09-09
19431943-05-271943-09-17
19441944-06-241944-09-21
19451945-07-061945-09-15
19461946-06-031946-09-13
19471947-05-031947-09-25
19481948-05-161948-09-16
19491949-06-151949-09-27
19501950-06-211950-10-13
19511951-05-271951-09-18
19521952-06-071952-10-03

Every Fixed Threshold

Fixed thresholds at Lower Mill Creek
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3585193357
35 C (95 F): Days322319332
90 F (32.2 C): Days3557193318
100 F (37.8 C): Days5319252
0 C (32 F): Ice days (max3545194917
0 C (32 F): Frost days (min371431918121
-10 C (14 F): Days with min3742194924
-20 C (-4 F): Days with min6519372
20 C (68 F): Tropical nights (min352219366
25 C (77 F): Days with min5219151
10 mm (0.39 in): Days with 10 mm or more rain2129194119
25 mm (0.98 in): Days with 25 mm or more rain20619441
50 mm (1.97 in): Days with 50 mm or more rain4119381
10 cm (3.9 in): Days with 10 cm or more snowfall141419446
25 cm (9.8 in): Days with 25 cm or more snowfall7219442
50 cm (19.7 in): Days with 50 cm or more snowfall10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for Lower Mill Creek 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).