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Built 2026-10-17 (17 October 2026)

Elwell Threshold Days by Year

4 fixed thresholds counted per year at Elwell (ASN00036019): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Elwell Thresholds

  • Elwell: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1956 with 31.
  • Elwell: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1955 with 18.
  • Elwell: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1954 with 8.
  • Elwell: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1955 with 2.
  • 4 fixed thresholds have at least one qualifying day at Elwell.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Elwell Days per year at Elwell with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1956. 0102030401915: 71916: 171917: 221918: 181919: 111920: 201921: 141922: 121923: 51924: 161925: 101926: 81927: 141928: 91929: 41930: 101931: 81932: 71942: 191943: 91944: 151945: 141946: 91947: 141949: 151954: 251955: 301956: 311957: 101958: 151959: 91971: 201972: 111973: 131974: 211975: 201976: 121977: 161915191919231927193119441949195719721976
Days per year at Elwell with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1956.
Days with 10 mm (0.39 in) or more of precipitation per year at Elwell
YearDaysDecade average
1915715
19161715
19172215
19181815
19191115
19202011.2
19211411.2
19221211.2
1923511.2
19241611.2
19251011.2
1926811.2
19271411.2
1928911.2
1929411.2
1930108.3
193188.3
193278.3
19421913.6
1943913.6
19441513.6
19451413.6
1946913.6
19471413.6
19491513.6
19542520
19553020
19563120
19571020
19581520
1959920
19712016.1
19721116.1
19731316.1
19742116.1
19752016.1
19761216.1
19771616.1
First to last qualifying date each year at Elwell For each year, a bar from the first to the last day at Elwell meeting 10 mm (0.39 in). 1915: 21 January 1915 to 28 December 19151916: 27 January 1916 to 31 December 19161917: 1 January 1917 to 24 December 19171918: 5 January 1918 to 25 December 19181919: 12 January 1919 to 7 December 19191920: 20 January 1920 to 8 December 19201921: 15 January 1921 to 27 November 19211922: 31 January 1922 to 27 December 19221923: 21 January 1923 to 6 December 19231924: 12 February 1924 to 15 December 19241925: 12 January 1925 to 19 November 19251926: 9 September 1926 to 26 December 19261927: 23 January 1927 to 24 December 19271928: 1 February 1928 to 27 December 19281929: 9 February 1929 to 3 December 19291930: 18 January 1930 to 11 October 19301931: 19 January 1931 to 5 December 19311932: 14 January 1932 to 23 December 19321942: 17 January 1942 to 28 December 19421943: 1 January 1943 to 20 December 19431944: 8 February 1944 to 27 December 19441945: 2 February 1945 to 19 October 19451946: 7 January 1946 to 30 December 19461947: 30 January 1947 to 1 December 19471949: 27 January 1949 to 20 December 19491954: 1 January 1954 to 16 December 19541955: 24 January 1955 to 17 December 19551956: 12 January 1956 to 23 December 19561957: 9 January 1957 to 31 December 19571958: 28 January 1958 to 17 December 19581959: 25 January 1959 to 19 December 19591971: 15 January 1971 to 26 December 19711972: 5 January 1972 to 1 June 19721973: 14 January 1973 to 28 December 19731974: 2 January 1974 to 16 December 19741975: 3 January 1975 to 30 December 19751976: 12 January 1976 to 19 December 19761977: 20 January 1977 to 20 December 197719151920192519301944195419591975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Elwell meeting 10 mm (0.39 in).
First to last qualifying date each year at Elwell
YearFirst dateLast date
19151915-01-211915-12-28
19161916-01-271916-12-31
19171917-01-011917-12-24
19181918-01-051918-12-25
19191919-01-121919-12-07
19201920-01-201920-12-08
19211921-01-151921-11-27
19221922-01-311922-12-27
19231923-01-211923-12-06
19241924-02-121924-12-15
19251925-01-121925-11-19
19261926-09-091926-12-26
19271927-01-231927-12-24
19281928-02-011928-12-27
19291929-02-091929-12-03
19301930-01-181930-10-11
19311931-01-191931-12-05
19321932-01-141932-12-23
19421942-01-171942-12-28
19431943-01-011943-12-20
19441944-02-081944-12-27
19451945-02-021945-10-19
19461946-01-071946-12-30
19471947-01-301947-12-01
19491949-01-271949-12-20
19541954-01-011954-12-16
19551955-01-241955-12-17
19561956-01-121956-12-23
19571957-01-091957-12-31
19581958-01-281958-12-17
19591959-01-251959-12-19
19711971-01-151971-12-26
19721972-01-051972-06-01
19731973-01-141973-12-28
19741974-01-021974-12-16
19751975-01-031975-12-30
19761976-01-121976-12-19
19771977-01-201977-12-20

Every Fixed Threshold

Fixed thresholds at Elwell
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3831195616
25 mm (0.98 in): Days with 25 mm or more rain381819555
50 mm (1.97 in): Days with 50 mm or more rain32819541
100 mm (3.94 in): Days with 100 mm or more rain12219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Elwell 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).