Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Speculation Station Threshold Days by Year (ASN00042032)

4 fixed thresholds counted per year at Speculation Station (ASN00042032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Speculation Station Thresholds

  • Speculation Station: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1927 with 29.
  • Speculation Station: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1927 with 16.
  • Speculation Station: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1933 with 4.
  • Speculation Station: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1931 with 1.
  • 4 fixed thresholds have at least one qualifying day at Speculation Station.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Speculation Station Days per year at Speculation Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1927. 01020301919: 71920: 221921: 241922: 91923: 91924: 241925: 201926: 171927: 291928: 171929: 191930: 181931: 251932: 151933: 241934: 291935: 161936: 141937: 191938: 181939: 201940: 221941: 161942: 201943: 201944: 161945: 201946: 121947: 231948: 191949: 211950: 261951: 17191919231927193119351939194319471951
Days per year at Speculation Station with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1927.
Days with 10 mm (0.39 in) or more of precipitation per year at Speculation Station
YearDaysDecade average
191977
19202219
19212419
1922919
1923919
19242419
19252019
19261719
19272919
19281719
19291919
19301819.8
19312519.8
19321519.8
19332419.8
19342919.8
19351619.8
19361419.8
19371919.8
19381819.8
19392019.8
19402218.9
19411618.9
19422018.9
19432018.9
19441618.9
19452018.9
19461218.9
19472318.9
19481918.9
19492118.9
19502621.5
19511721.5
First to last qualifying date each year at Speculation Station For each year, a bar from the first to the last day at Speculation Station meeting 10 mm (0.39 in). 1919: 1 March 1919 to 4 December 19191920: 2 January 1920 to 9 December 19201921: 14 January 1921 to 31 December 19211922: 3 February 1922 to 22 December 19221923: 26 January 1923 to 27 December 19231924: 7 January 1924 to 31 December 19241925: 5 January 1925 to 30 December 19251926: 2 January 1926 to 21 December 19261927: 5 January 1927 to 28 December 19271928: 18 January 1928 to 23 December 19281929: 20 January 1929 to 31 December 19291930: 21 January 1930 to 23 November 19301931: 11 January 1931 to 10 December 19311932: 25 March 1932 to 16 December 19321933: 28 January 1933 to 26 December 19331934: 7 January 1934 to 26 December 19341935: 6 January 1935 to 14 December 19351936: 9 January 1936 to 24 December 19361937: 3 January 1937 to 21 November 19371938: 20 January 1938 to 28 November 19381939: 19 January 1939 to 3 October 19391940: 15 January 1940 to 21 December 19401941: 6 January 1941 to 27 November 19411942: 12 January 1942 to 31 December 19421943: 2 January 1943 to 28 December 19431944: 7 January 1944 to 29 November 19441945: 1 January 1945 to 8 December 19451946: 6 January 1946 to 30 December 19461947: 14 January 1947 to 26 December 19471948: 3 January 1948 to 31 December 19481949: 4 January 1949 to 17 December 19491950: 7 February 1950 to 25 November 19501951: 1 January 1951 to 20 December 19511919192419291934193919441949JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Speculation Station meeting 10 mm (0.39 in).
First to last qualifying date each year at Speculation Station
YearFirst dateLast date
19191919-03-011919-12-04
19201920-01-021920-12-09
19211921-01-141921-12-31
19221922-02-031922-12-22
19231923-01-261923-12-27
19241924-01-071924-12-31
19251925-01-051925-12-30
19261926-01-021926-12-21
19271927-01-051927-12-28
19281928-01-181928-12-23
19291929-01-201929-12-31
19301930-01-211930-11-23
19311931-01-111931-12-10
19321932-03-251932-12-16
19331933-01-281933-12-26
19341934-01-071934-12-26
19351935-01-061935-12-14
19361936-01-091936-12-24
19371937-01-031937-11-21
19381938-01-201938-11-28
19391939-01-191939-10-03
19401940-01-151940-12-21
19411941-01-061941-11-27
19421942-01-121942-12-31
19431943-01-021943-12-28
19441944-01-071944-11-29
19451945-01-011945-12-08
19461946-01-061946-12-30
19471947-01-141947-12-26
19481948-01-031948-12-31
19491949-01-041949-12-17
19501950-02-071950-11-25
19511951-01-011951-12-20

Every Fixed Threshold

Fixed thresholds at Speculation Station
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3329192717
25 mm (0.98 in): Days with 25 mm or more rain321619277
50 mm (1.97 in): Days with 50 mm or more rain27419331
100 mm (3.94 in): Days with 100 mm or more rain3119311

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

  • Data for Speculation Station 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).