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Built 2026-10-19 (19 October 2026)

Pallamallawa 2 Threshold Days by Year (ASN00053057)

4 fixed thresholds counted per year at Pallamallawa 2 (ASN00053057): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pallamallawa 2 Thresholds

  • Pallamallawa 2: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1903 with 28.
  • Pallamallawa 2: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1921 with 11.
  • Pallamallawa 2: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1910 with 4.
  • Pallamallawa 2: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1910 with 2.
  • 4 fixed thresholds have at least one qualifying day at Pallamallawa 2.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Pallamallawa 2 Days per year at Pallamallawa 2 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1903. 01020301896: 221897: 161898: 131899: 151900: 191901: 131902: 91903: 281904: 201905: 161906: 211907: 201908: 191909: 211910: 171911: 151912: 191913: 151914: 191915: 131916: 231917: 211918: 111919: 101920: 231921: 281922: 191923: 131924: 211925: 151926: 151927: 161928: 161929: 141930: 171931: 23189619001904190819121916192019241928
Days per year at Pallamallawa 2 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1903.
Days with 10 mm (0.39 in) or more of precipitation per year at Pallamallawa 2
YearDaysDecade average
18962216.5
18971616.5
18981316.5
18991516.5
19001918.6
19011318.6
1902918.6
19032818.6
19042018.6
19051618.6
19062118.6
19072018.6
19081918.6
19092118.6
19101716.3
19111516.3
19121916.3
19131516.3
19141916.3
19151316.3
19162316.3
19172116.3
19181116.3
19191016.3
19202318
19212818
19221918
19231318
19242118
19251518
19261518
19271618
19281618
19291418
19301720
19312320
First to last qualifying date each year at Pallamallawa 2 For each year, a bar from the first to the last day at Pallamallawa 2 meeting 10 mm (0.39 in). 1896: 23 January 1896 to 16 December 18961897: 10 January 1897 to 21 December 18971898: 5 January 1898 to 24 December 18981899: 15 January 1899 to 20 October 18991900: 8 January 1900 to 5 December 19001901: 24 January 1901 to 1 December 19011902: 3 February 1902 to 7 December 19021903: 26 January 1903 to 21 December 19031904: 23 January 1904 to 19 December 19041905: 15 January 1905 to 5 December 19051906: 10 January 1906 to 30 November 19061907: 4 January 1907 to 28 December 19071908: 13 January 1908 to 25 October 19081909: 21 January 1909 to 25 December 19091910: 6 January 1910 to 12 December 19101911: 1 January 1911 to 31 December 19111912: 6 January 1912 to 21 November 19121913: 4 January 1913 to 20 December 19131914: 13 January 1914 to 22 December 19141915: 10 February 1915 to 17 December 19151916: 27 February 1916 to 14 December 19161917: 18 January 1917 to 13 December 19171918: 2 January 1918 to 16 December 19181919: 2 January 1919 to 2 December 19191920: 5 January 1920 to 6 December 19201921: 17 February 1921 to 31 December 19211922: 8 January 1922 to 26 December 19221923: 26 February 1923 to 27 December 19231924: 23 January 1924 to 22 November 19241925: 5 January 1925 to 31 December 19251926: 4 January 1926 to 26 December 19261927: 4 January 1927 to 11 December 19271928: 18 January 1928 to 3 November 19281929: 9 January 1929 to 24 December 19291930: 17 January 1930 to 17 December 19301931: 27 February 1931 to 8 December 193118961901190619111916192119261931JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pallamallawa 2 meeting 10 mm (0.39 in).
First to last qualifying date each year at Pallamallawa 2
YearFirst dateLast date
18961896-01-231896-12-16
18971897-01-101897-12-21
18981898-01-051898-12-24
18991899-01-151899-10-20
19001900-01-081900-12-05
19011901-01-241901-12-01
19021902-02-031902-12-07
19031903-01-261903-12-21
19041904-01-231904-12-19
19051905-01-151905-12-05
19061906-01-101906-11-30
19071907-01-041907-12-28
19081908-01-131908-10-25
19091909-01-211909-12-25
19101910-01-061910-12-12
19111911-01-011911-12-31
19121912-01-061912-11-21
19131913-01-041913-12-20
19141914-01-131914-12-22
19151915-02-101915-12-17
19161916-02-271916-12-14
19171917-01-181917-12-13
19181918-01-021918-12-16
19191919-01-021919-12-02
19201920-01-051920-12-06
19211921-02-171921-12-31
19221922-01-081922-12-26
19231923-02-261923-12-27
19241924-01-231924-11-22
19251925-01-051925-12-31
19261926-01-041926-12-26
19271927-01-041927-12-11
19281928-01-181928-11-03
19291929-01-091929-12-24
19301930-01-171930-12-17
19311931-02-271931-12-08

Every Fixed Threshold

Fixed thresholds at Pallamallawa 2
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3628190323
25 mm (0.98 in): Days with 25 mm or more rain3511192110
50 mm (1.97 in): Days with 50 mm or more rain18419103
100 mm (3.94 in): Days with 100 mm or more rain4219101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Pallamallawa 2 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).