Built 2026-10-19 (19 October 2026)

Lawver 10 SW Threshold Days by Year (USC00485467)

16 fixed thresholds counted per year at Lawver 10 SW (USC00485467): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lawver 10 SW Thresholds

  • Lawver 10 SW: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1971 with 17.
  • Lawver 10 SW: days with 10 cm (3.9 in) or more of snowfall in 21 years, most in 1953 with 7.
  • Lawver 10 SW: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1962 with 4.
  • Lawver 10 SW: days with a maximum temperature at or above 30 C (86 F) in 15 years, most in 1959 with 60.
  • 16 fixed thresholds have at least one qualifying day at Lawver 10 SW.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Lawver 10 SW Days per year at Lawver 10 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1959. 02040601956: 351957: 451958: 461959: 601962: 271963: 431964: 461965: 181966: 551967: 351968: 351969: 461970: 561971: 551972: 3219561958196219641966196819701972
Days per year at Lawver 10 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1959.
Days at or above 30 C (86 F) per year at Lawver 10 SW
YearDaysDecade average
19563546.5
19574546.5
19584646.5
19596046.5
19622738.1
19634338.1
19644638.1
19651838.1
19665538.1
19673538.1
19683538.1
19694638.1
19705647.7
19715547.7
19723247.7
First to last qualifying date each year at Lawver 10 SW For each year, a bar from the first to the last day at Lawver 10 SW meeting 30 C (86 F). 1956: 7 June 1956 to 20 September 19561957: 1 July 1957 to 2 October 19571958: 20 May 1958 to 14 October 19581959: 5 June 1959 to 14 September 19591962: 27 June 1962 to 26 August 19621963: 24 June 1963 to 4 October 19631964: 20 May 1964 to 16 September 19641965: 10 July 1965 to 28 August 19651966: 21 May 1966 to 23 September 19661967: 24 May 1967 to 6 September 19671968: 3 June 1968 to 18 September 19681969: 26 May 1969 to 28 September 19691970: 22 June 1970 to 8 September 19701971: 16 June 1971 to 12 September 19711972: 1 June 1972 to 18 September 197219561958196219641966196819701972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lawver 10 SW meeting 30 C (86 F).
First to last qualifying date each year at Lawver 10 SW
YearFirst dateLast date
19561956-06-071956-09-20
19571957-07-011957-10-02
19581958-05-201958-10-14
19591959-06-051959-09-14
19621962-06-271962-08-26
19631963-06-241963-10-04
19641964-05-201964-09-16
19651965-07-101965-08-28
19661966-05-211966-09-23
19671967-05-241967-09-06
19681968-06-031968-09-18
19691969-05-261969-09-28
19701970-06-221970-09-08
19711971-06-161971-09-12
19721972-06-011972-09-18

Every Fixed Threshold

Fixed thresholds at Lawver 10 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1560195932
35 C (95 F): Days151819696
40 C (104 F): Days1119701
90 F (32.2 C): Days1547195919
100 F (37.8 C): Days7319571
0 C (32 F): Ice days (max1564196444
0 C (32 F): Frost days (min152081959184
-10 C (14 F): Days with min1573195867
-20 C (-4 F): Days with min1523197223
-30 C (-22 F): Days with min6519635
20 C (68 F): Tropical nights (min5119581
10 mm (0.39 in): Days with 10 mm or more rain2417197111
25 mm (0.98 in): Days with 25 mm or more rain17419621
50 mm (1.97 in): Days with 50 mm or more rain2119521
10 cm (3.9 in): Days with 10 cm or more snowfall21719531
25 cm (9.8 in): Days with 25 cm or more snowfall3219531

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Lawver 10 SW 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).