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Built 2026-10-19 (19 October 2026)

Palo Verde (1) Threshold Days by Year (USC00296540)

6 fixed thresholds counted per year at Palo Verde (1) (USC00296540): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palo Verde (1) Thresholds

  • Palo Verde (1): days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1923 with 20.
  • Palo Verde (1): days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1930 with 7.
  • Palo Verde (1): days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1940 with 7.
  • Palo Verde (1): days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1914 with 2.
  • 6 fixed thresholds have at least one qualifying day at Palo Verde (1).
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Palo Verde (1) Days per year at Palo Verde (1) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1923. 051015201912: 121914: 161915: 151916: 61917: 61918: 131921: 151922: 101923: 201924: 91925: 161927: 111928: 151930: 171932: 111933: 111934: 41935: 111936: 81937: 121939: 71940: 141941: 191942: 181943: 41944: 191945: 101946: 121947: 91912191619211924192819331936194019431946
Days per year at Palo Verde (1) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1923.
Days with 10 mm (0.39 in) or more of precipitation per year at Palo Verde (1)
YearDaysDecade average
19121211.3
19141611.3
19151511.3
1916611.3
1917611.3
19181311.3
19211513.7
19221013.7
19232013.7
1924913.7
19251613.7
19271113.7
19281513.7
19301710.1
19321110.1
19331110.1
1934410.1
19351110.1
1936810.1
19371210.1
1939710.1
19401413.1
19411913.1
19421813.1
1943413.1
19441913.1
19451013.1
19461213.1
1947913.1
First to last qualifying date each year at Palo Verde (1) For each year, a bar from the first to the last day at Palo Verde (1) meeting 10 mm (0.39 in). 1912: 20 February 1912 to 11 September 19121914: 30 April 1914 to 24 October 19141915: 20 February 1915 to 24 September 19151916: 14 April 1916 to 30 August 19161917: 5 May 1917 to 15 August 19171918: 21 March 1918 to 17 December 19181921: 23 January 1921 to 30 August 19211922: 24 April 1922 to 24 November 19221923: 26 February 1923 to 22 December 19231924: 16 March 1924 to 11 October 19241925: 10 May 1925 to 3 December 19251927: 12 June 1927 to 24 September 19271928: 3 May 1928 to 12 December 19281930: 28 April 1930 to 19 November 19301932: 27 April 1932 to 25 September 19321933: 13 May 1933 to 1 December 19331934: 10 February 1934 to 1 September 19341935: 7 January 1935 to 26 November 19351936: 22 May 1936 to 11 September 19361937: 5 March 1937 to 12 October 19371939: 8 January 1939 to 25 December 19391940: 2 February 1940 to 26 November 19401941: 22 March 1941 to 3 October 19411942: 1 March 1942 to 5 December 19421943: 9 July 1943 to 9 December 19431944: 26 January 1944 to 6 November 19441945: 20 January 1945 to 24 October 19451946: 5 March 1946 to 6 November 19461947: 8 May 1947 to 3 December 194719121917192319281934193919431947JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Palo Verde (1) meeting 10 mm (0.39 in).
First to last qualifying date each year at Palo Verde (1)
YearFirst dateLast date
19121912-02-201912-09-11
19141914-04-301914-10-24
19151915-02-201915-09-24
19161916-04-141916-08-30
19171917-05-051917-08-15
19181918-03-211918-12-17
19211921-01-231921-08-30
19221922-04-241922-11-24
19231923-02-261923-12-22
19241924-03-161924-10-11
19251925-05-101925-12-03
19271927-06-121927-09-24
19281928-05-031928-12-12
19301930-04-281930-11-19
19321932-04-271932-09-25
19331933-05-131933-12-01
19341934-02-101934-09-01
19351935-01-071935-11-26
19361936-05-221936-09-11
19371937-03-051937-10-12
19391939-01-081939-12-25
19401940-02-021940-11-26
19411941-03-221941-10-03
19421942-03-011942-12-05
19431943-07-091943-12-09
19441944-01-261944-11-06
19451945-01-201945-10-24
19461946-03-051946-11-06
19471947-05-081947-12-03

Every Fixed Threshold

Fixed thresholds at Palo Verde (1)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain292019239
25 mm (0.98 in): Days with 25 mm or more rain25719303
50 mm (1.97 in): Days with 50 mm or more rain11219141
100 mm (3.94 in): Days with 100 mm or more rain1119141
10 cm (3.9 in): Days with 10 cm or more snowfall18719403
25 cm (9.8 in): Days with 25 cm or more snowfall1119431

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Palo Verde (1) 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).