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

Pennington Threshold Days by Year (USC00296728)

6 fixed thresholds counted per year at Pennington (USC00296728): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pennington Thresholds

  • Pennington: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1941 with 26.
  • Pennington: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1941 with 10.
  • Pennington: days with 10 cm (3.9 in) or more of snowfall in 21 years, most in 1940 with 6.
  • Pennington: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1930 with 4.
  • 6 fixed thresholds have at least one qualifying day at Pennington.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Pennington Days per year at Pennington with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1941. 01020301925: 151926: 151927: 121928: 141929: 121930: 141931: 151932: 111933: 81934: 51935: 171936: 81937: 131938: 141939: 141940: 101941: 261942: 181943: 91944: 131946: 121949: 141950: 121951: 91952: 61953: 121954: 121955: 131956: 61957: 181958: 151959: 1419251929193319371941194619521956
Days per year at Pennington with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Pennington
YearDaysDecade average
19251513.6
19261513.6
19271213.6
19281413.6
19291213.6
19301411.9
19311511.9
19321111.9
1933811.9
1934511.9
19351711.9
1936811.9
19371311.9
19381411.9
19391411.9
19401014.6
19412614.6
19421814.6
1943914.6
19441314.6
19461214.6
19491414.6
19501211.7
1951911.7
1952611.7
19531211.7
19541211.7
19551311.7
1956611.7
19571811.7
19581511.7
19591411.7
First to last qualifying date each year at Pennington For each year, a bar from the first to the last day at Pennington meeting 10 mm (0.39 in). 1925: 8 May 1925 to 14 October 19251926: 20 March 1926 to 8 December 19261927: 6 June 1927 to 31 August 19271928: 2 May 1928 to 18 November 19281929: 11 May 1929 to 13 October 19291930: 3 May 1930 to 19 November 19301931: 23 April 1931 to 20 October 19311932: 5 January 1932 to 21 October 19321933: 4 May 1933 to 12 September 19331934: 10 February 1934 to 17 October 19341935: 7 January 1935 to 20 October 19351936: 7 January 1936 to 20 September 19361937: 4 April 1937 to 13 December 19371938: 21 February 1938 to 20 December 19381939: 27 February 1939 to 25 December 19391940: 2 February 1940 to 13 December 19401941: 22 March 1941 to 30 October 19411942: 28 February 1942 to 17 October 19421943: 8 April 1943 to 9 December 19431944: 26 January 1944 to 15 August 19441946: 15 March 1946 to 6 November 19461949: 21 March 1949 to 27 August 19491950: 13 May 1950 to 6 September 19501951: 20 April 1951 to 28 October 19511952: 20 April 1952 to 25 November 19521953: 10 February 1953 to 2 December 19531954: 1 May 1954 to 7 October 19541955: 19 February 1955 to 25 September 19551956: 13 April 1956 to 19 August 19561957: 20 March 1957 to 17 October 19571958: 4 March 1958 to 29 December 19581959: 15 January 1959 to 26 December 195919251929193319371941194619521956JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pennington meeting 10 mm (0.39 in).
First to last qualifying date each year at Pennington
YearFirst dateLast date
19251925-05-081925-10-14
19261926-03-201926-12-08
19271927-06-061927-08-31
19281928-05-021928-11-18
19291929-05-111929-10-13
19301930-05-031930-11-19
19311931-04-231931-10-20
19321932-01-051932-10-21
19331933-05-041933-09-12
19341934-02-101934-10-17
19351935-01-071935-10-20
19361936-01-071936-09-20
19371937-04-041937-12-13
19381938-02-211938-12-20
19391939-02-271939-12-25
19401940-02-021940-12-13
19411941-03-221941-10-30
19421942-02-281942-10-17
19431943-04-081943-12-09
19441944-01-261944-08-15
19461946-03-151946-11-06
19491949-03-211949-08-27
19501950-05-131950-09-06
19511951-04-201951-10-28
19521952-04-201952-11-25
19531953-02-101953-12-02
19541954-05-011954-10-07
19551955-02-191955-09-25
19561956-04-131956-08-19
19571957-03-201957-10-17
19581958-03-041958-12-29
19591959-01-151959-12-26

Every Fixed Threshold

Fixed thresholds at Pennington
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3226194114
25 mm (0.98 in): Days with 25 mm or more rain301019411
50 mm (1.97 in): Days with 50 mm or more rain15419301
100 mm (3.94 in): Days with 100 mm or more rain3119281
10 cm (3.9 in): Days with 10 cm or more snowfall21619402
25 cm (9.8 in): Days with 25 cm or more snowfall5119261

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.

Download the Data

  • Data for Pennington 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).