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

Carta Valley Threshold Days by Year (USC00411492)

17 fixed thresholds counted per year at Carta Valley (USC00411492): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Carta Valley Thresholds

  • Carta Valley: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1969 with 30.
  • Carta Valley: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 2007 with 22.
  • Carta Valley: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 2007 with 11.
  • Carta Valley: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1964 with 57.
  • 17 fixed thresholds have at least one qualifying day at Carta Valley.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Carta Valley Days per year at Carta Valley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 176 in 1980. 0501001502001964: 1441965: 1431966: 1251967: 1531968: 1321969: 1291970: 1301971: 1251972: 1541973: 1351974: 1441975: 1241976: 1171977: 1431978: 1531979: 1631980: 1761981: 1211982: 1611984: 1611988: 1691996: 1491997: 1272002: 1602006: 1712007: 1162010: 1302011: 1721964196719701973197619791982199620062011
Days per year at Carta Valley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 176 in 1980.
Days at or above 30 C (86 F) per year at Carta Valley
YearDaysDecade average
1964144137.7
1965143137.7
1966125137.7
1967153137.7
1968132137.7
1969129137.7
1970130138.8
1971125138.8
1972154138.8
1973135138.8
1974144138.8
1975124138.8
1976117138.8
1977143138.8
1978153138.8
1979163138.8
1980176157.6
1981121157.6
1982161157.6
1984161157.6
1988169157.6
1996149138
1997127138
2002160149
2006171149
2007116149
2010130151
2011172151
First to last qualifying date each year at Carta Valley For each year, a bar from the first to the last day at Carta Valley meeting 30 C (86 F). 1964: 8 March 1964 to 17 October 19641965: 3 April 1965 to 26 November 19651966: 22 March 1966 to 14 October 19661967: 30 January 1967 to 22 October 19671968: 16 April 1968 to 5 November 19681969: 19 March 1969 to 8 November 19691970: 11 April 1970 to 30 October 19701971: 12 March 1971 to 17 September 19711972: 24 February 1972 to 14 November 19721973: 19 April 1973 to 2 November 19731974: 2 March 1974 to 19 October 19741975: 22 March 1975 to 13 October 19751976: 11 February 1976 to 3 October 19761977: 14 March 1977 to 5 December 19771978: 21 March 1978 to 5 October 19781979: 8 April 1979 to 22 October 19791980: 20 February 1980 to 10 November 19801981: 8 April 1981 to 15 November 19811982: 11 March 1982 to 2 November 19821984: 16 March 1984 to 21 October 19841988: 10 March 1988 to 14 November 19881996: 21 February 1996 to 22 October 19961997: 22 March 1997 to 4 November 19972002: 14 March 2002 to 8 October 20022006: 30 March 2006 to 18 October 20062007: 13 April 2007 to 1 November 20072010: 31 March 2010 to 2 November 20102011: 26 February 2011 to 23 October 20111964196819721976198019882006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Carta Valley meeting 30 C (86 F).
First to last qualifying date each year at Carta Valley
YearFirst dateLast date
19641964-03-081964-10-17
19651965-04-031965-11-26
19661966-03-221966-10-14
19671967-01-301967-10-22
19681968-04-161968-11-05
19691969-03-191969-11-08
19701970-04-111970-10-30
19711971-03-121971-09-17
19721972-02-241972-11-14
19731973-04-191973-11-02
19741974-03-021974-10-19
19751975-03-221975-10-13
19761976-02-111976-10-03
19771977-03-141977-12-05
19781978-03-211978-10-05
19791979-04-081979-10-22
19801980-02-201980-11-10
19811981-04-081981-11-15
19821982-03-111982-11-02
19841984-03-161984-10-21
19881988-03-101988-11-14
19961996-02-211996-10-22
19971997-03-221997-11-04
20022002-03-142002-10-08
20062006-03-302006-10-18
20072007-04-132007-11-01
20102010-03-312010-11-02
20112011-02-262011-10-23

Every Fixed Threshold

Fixed thresholds at Carta Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days281761980172
35 C (95 F): Days271072011107
40 C (104 F): Days151119801
90 F (32.2 C): Days281461980146
100 F (37.8 C): Days2551198023
110 F (43.3 C): Days10n/a1
0 C (32 F): Ice days (max3319972
0 C (32 F): Frost days (min3257196445
-10 C (14 F): Days with min20319663
20 C (68 F): Tropical nights (min321822006133
25 C (77 F): Days with min2020201120
10 mm (0.39 in): Days with 10 mm or more rain383019698
25 mm (0.98 in): Days with 25 mm or more rain382220073
50 mm (1.97 in): Days with 50 mm or more rain331120073
100 mm (3.94 in): Days with 100 mm or more rain14319811
200 mm (7.87 in): Days with 200 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall1119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Carta Valley 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).