Daily records
Page built 2026-10-16
Data as of 2025-12-31
Search
Built 2026-10-16 (16 October 2026)

Riana (Pine Road) Threshold Days by Year

4 fixed thresholds counted per year at Riana (Pine Road) (ASN00091083): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Riana (Pine Road) Thresholds

  • Riana (Pine Road): days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1923 with 58.
  • Riana (Pine Road): days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1939 with 24.
  • Riana (Pine Road): days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1944 with 4.
  • Riana (Pine Road): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1946 with 1.
  • 4 fixed thresholds have at least one qualifying day at Riana (Pine Road).
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Riana (Pine Road) Days per year at Riana (Pine Road) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 58 in 1923. 02040601920: 441921: 241922: 361923: 581935: 421939: 511940: 261941: 241942: 441943: 361944: 341945: 331946: 491948: 421949: 321950: 391951: 41192019221935194019421944194619491951
Days per year at Riana (Pine Road) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 58 in 1923.
Days with 10 mm (0.39 in) or more of precipitation per year at Riana (Pine Road)
YearDaysDecade average
19204440.5
19212440.5
19223640.5
19235840.5
19354246.5
19395146.5
19402635.6
19412435.6
19424435.6
19433635.6
19443435.6
19453335.6
19464935.6
19484235.6
19493235.6
19503940
19514140
First to last qualifying date each year at Riana (Pine Road) For each year, a bar from the first to the last day at Riana (Pine Road) meeting 10 mm (0.39 in). 1920: 7 March 1920 to 16 December 19201921: 2 February 1921 to 29 November 19211922: 31 January 1922 to 26 December 19221923: 5 January 1923 to 17 December 19231935: 3 January 1935 to 21 December 19351939: 3 February 1939 to 23 December 19391940: 20 January 1940 to 31 December 19401941: 24 January 1941 to 8 December 19411942: 20 January 1942 to 26 December 19421943: 18 February 1943 to 30 November 19431944: 2 January 1944 to 21 December 19441945: 15 January 1945 to 17 December 19451946: 20 January 1946 to 28 December 19461948: 4 February 1948 to 28 December 19481949: 22 February 1949 to 24 November 19491950: 25 January 1950 to 8 December 19501951: 7 January 1951 to 19 December 1951192019231940194319461950JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Riana (Pine Road) meeting 10 mm (0.39 in).
First to last qualifying date each year at Riana (Pine Road)
YearFirst dateLast date
19201920-03-071920-12-16
19211921-02-021921-11-29
19221922-01-311922-12-26
19231923-01-051923-12-17
19351935-01-031935-12-21
19391939-02-031939-12-23
19401940-01-201940-12-31
19411941-01-241941-12-08
19421942-01-201942-12-26
19431943-02-181943-11-30
19441944-01-021944-12-21
19451945-01-151945-12-17
19461946-01-201946-12-28
19481948-02-041948-12-28
19491949-02-221949-11-24
19501950-01-251950-12-08
19511951-01-071951-12-19

Every Fixed Threshold

Fixed thresholds at Riana (Pine Road)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1758192341
25 mm (0.98 in): Days with 25 mm or more rain1724193916
50 mm (1.97 in): Days with 50 mm or more rain15419441
100 mm (3.94 in): Days with 100 mm or more rain1119461

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

  • Data for Riana (Pine Road) 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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