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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Karthaus River Threshold Days by Year (USC00364450)

13 fixed thresholds counted per year at Karthaus River (USC00364450): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Karthaus River Thresholds

  • Karthaus River: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1948 with 48.
  • Karthaus River: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1948 with 13.
  • Karthaus River: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1950 with 3.
  • Karthaus River: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1971 with 7.
  • 13 fixed thresholds have at least one qualifying day at Karthaus River.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Karthaus River Days per year at Karthaus River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1970. 0102030401964: 321965: 281970: 361971: 281964196519701971
Days per year at Karthaus River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1970.
Days at or above 30 C (86 F) per year at Karthaus River
YearDaysDecade average
19643230
19652830
19703632
19712832
First to last qualifying date each year at Karthaus River For each year, a bar from the first to the last day at Karthaus River meeting 30 C (86 F). 1964: 20 May 1964 to 19 September 19641965: 4 May 1965 to 23 September 19651970: 2 May 1970 to 26 September 19701971: 19 May 1971 to 11 September 19711964196519701971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Karthaus River meeting 30 C (86 F).
First to last qualifying date each year at Karthaus River
YearFirst dateLast date
19641964-05-201964-09-19
19651965-05-041965-09-23
19701970-05-021970-09-26
19711971-05-191971-09-11

Every Fixed Threshold

Fixed thresholds at Karthaus River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days436197028
35 C (95 F): Days1119711
90 F (32.2 C): Days415196411
0 C (32 F): Ice days (max436197027
0 C (32 F): Frost days (min42041964157
-10 C (14 F): Days with min467196544
-20 C (-4 F): Days with min41619655
20 C (68 F): Tropical nights (min2119651
10 mm (0.39 in): Days with 10 mm or more rain2748194832
25 mm (0.98 in): Days with 25 mm or more rain261319483
50 mm (1.97 in): Days with 50 mm or more rain16319501
10 cm (3.9 in): Days with 10 cm or more snowfall10719717
25 cm (9.8 in): Days with 25 cm or more snowfall5219712

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 Karthaus River 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).