Built 2026-10-19 (19 October 2026)

Norjeby Threshold Days by Year (SWE00137668)

3 fixed thresholds counted per year at Norjeby (SWE00137668): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Norjeby Thresholds

  • Norjeby: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1968 with 21.
  • Norjeby: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1959 with 4.
  • Norjeby: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1945 with 1.
  • 3 fixed thresholds have at least one qualifying day at Norjeby.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Norjeby Days per year at Norjeby with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1968. 01020301945: 161946: 131947: 101948: 101949: 141950: 111951: 121952: 171953: 61954: 171955: 111956: 131957: 121958: 181959: 141960: 151961: 131962: 101963: 111964: 71965: 171966: 171967: 161968: 211969: 121970: 191971: 111972: 101973: 131974: 141945194819511954195719601963196619691972
Days per year at Norjeby with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1968.
Days with 10 mm (0.39 in) or more of precipitation per year at Norjeby
YearDaysDecade average
19451612.6
19461312.6
19471012.6
19481012.6
19491412.6
19501113.1
19511213.1
19521713.1
1953613.1
19541713.1
19551113.1
19561313.1
19571213.1
19581813.1
19591413.1
19601513.9
19611313.9
19621013.9
19631113.9
1964713.9
19651713.9
19661713.9
19671613.9
19682113.9
19691213.9
19701913.4
19711113.4
19721013.4
19731313.4
19741413.4
First to last qualifying date each year at Norjeby For each year, a bar from the first to the last day at Norjeby meeting 10 mm (0.39 in). 1945: 18 January 1945 to 8 November 19451946: 1 February 1946 to 20 September 19461947: 19 July 1947 to 29 December 19471948: 4 January 1948 to 25 September 19481949: 6 April 1949 to 17 December 19491950: 12 January 1950 to 28 November 19501951: 5 January 1951 to 24 November 19511952: 13 May 1952 to 24 December 19521953: 27 January 1953 to 19 December 19531954: 15 January 1954 to 11 December 19541955: 9 February 1955 to 6 October 19551956: 12 January 1956 to 28 November 19561957: 8 February 1957 to 31 December 19571958: 9 January 1958 to 29 December 19581959: 10 April 1959 to 30 December 19591960: 16 February 1960 to 22 December 19601961: 3 April 1961 to 4 December 19611962: 22 January 1962 to 29 November 19621963: 23 April 1963 to 21 November 19631964: 22 April 1964 to 13 December 19641965: 17 April 1965 to 30 December 19651966: 1 January 1966 to 29 December 19661967: 21 January 1967 to 23 December 19671968: 11 January 1968 to 24 December 19681969: 18 January 1969 to 28 November 19691970: 22 March 1970 to 2 December 19701971: 24 March 1971 to 9 December 19711972: 7 February 1972 to 20 November 19721973: 12 February 1973 to 3 December 19731974: 14 January 1974 to 11 December 197419451949195319571961196519691973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Norjeby meeting 10 mm (0.39 in).
First to last qualifying date each year at Norjeby
YearFirst dateLast date
19451945-01-181945-11-08
19461946-02-011946-09-20
19471947-07-191947-12-29
19481948-01-041948-09-25
19491949-04-061949-12-17
19501950-01-121950-11-28
19511951-01-051951-11-24
19521952-05-131952-12-24
19531953-01-271953-12-19
19541954-01-151954-12-11
19551955-02-091955-10-06
19561956-01-121956-11-28
19571957-02-081957-12-31
19581958-01-091958-12-29
19591959-04-101959-12-30
19601960-02-161960-12-22
19611961-04-031961-12-04
19621962-01-221962-11-29
19631963-04-231963-11-21
19641964-04-221964-12-13
19651965-04-171965-12-30
19661966-01-011966-12-29
19671967-01-211967-12-23
19681968-01-111968-12-24
19691969-01-181969-11-28
19701970-03-221970-12-02
19711971-03-241971-12-09
19721972-02-071972-11-20
19731973-02-121973-12-03
19741974-01-141974-12-11

Every Fixed Threshold

Fixed thresholds at Norjeby
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3021196814
25 mm (0.98 in): Days with 25 mm or more rain21419591
50 mm (1.97 in): Days with 50 mm or more rain4119451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Norjeby 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).