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

Robert Lee 4WSW Threshold Days by Year (USC00417669)

17 fixed thresholds counted per year at Robert Lee 4WSW (USC00417669): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Robert Lee 4WSW Thresholds

  • Robert Lee 4WSW: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1991 with 30.
  • Robert Lee 4WSW: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1986 with 13.
  • Robert Lee 4WSW: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1963 with 184.
  • Robert Lee 4WSW: days with a maximum temperature at or above 35 C (95 F) in 46 years, most in 1998 with 110.
  • 17 fixed thresholds have at least one qualifying day at Robert Lee 4WSW.
46 years with a qualifying day
Days at or above 30 C (86 F) per year at Robert Lee 4WSW Days per year at Robert Lee 4WSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 184 in 1963. 0501001502001909: 1421910: 1611963: 1841964: 1491966: 1321967: 1481968: 1261969: 1261970: 1271971: 1371972: 1541973: 1351974: 1391975: 1331976: 1141977: 1451978: 1551979: 1531980: 1391981: 1451982: 1481983: 1601984: 1541985: 1521986: 1541987: 1481988: 1631989: 1741990: 1321991: 1381992: 1281993: 1431994: 1441995: 1341996: 1521997: 1281998: 1632000: 1672002: 1332004: 1442005: 1472006: 1612007: 1482008: 1352010: 1352015: 1391909196719721977198219871992199720052015
Days per year at Robert Lee 4WSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 184 in 1963.
Days at or above 30 C (86 F) per year at Robert Lee 4WSW
YearDaysDecade average
1909142142
1910161161
1963184144.2
1964149144.2
1966132144.2
1967148144.2
1968126144.2
1969126144.2
1970127139.2
1971137139.2
1972154139.2
1973135139.2
1974139139.2
1975133139.2
1976114139.2
1977145139.2
1978155139.2
1979153139.2
1980139153.7
1981145153.7
1982148153.7
1983160153.7
1984154153.7
1985152153.7
1986154153.7
1987148153.7
1988163153.7
1989174153.7
1990132140.2
1991138140.2
1992128140.2
1993143140.2
1994144140.2
1995134140.2
1996152140.2
1997128140.2
1998163140.2
2000167147.9
2002133147.9
2004144147.9
2005147147.9
2006161147.9
2007148147.9
2008135147.9
2010135137
2015139137
First to last qualifying date each year at Robert Lee 4WSW For each year, a bar from the first to the last day at Robert Lee 4WSW meeting 30 C (86 F). 1909: 25 January 1909 to 21 November 19091910: 3 March 1910 to 26 October 19101963: 18 March 1963 to 8 November 19631964: 14 March 1964 to 18 October 19641966: 18 March 1966 to 14 October 19661967: 4 March 1967 to 27 October 19671968: 2 May 1968 to 31 October 19681969: 9 January 1969 to 9 November 19691970: 9 April 1970 to 27 November 19701971: 13 March 1971 to 18 October 19711972: 24 January 1972 to 30 October 19721973: 21 April 1973 to 11 October 19731974: 1 March 1974 to 10 October 19741975: 21 March 1975 to 13 October 19751976: 10 February 1976 to 4 October 19761977: 15 March 1977 to 1 November 19771978: 21 March 1978 to 21 October 19781979: 15 February 1979 to 28 October 19791980: 7 April 1980 to 9 November 19801981: 8 April 1981 to 19 November 19811982: 13 March 1982 to 1 November 19821983: 1 April 1983 to 25 October 19831984: 23 March 1984 to 19 October 19841985: 12 March 1985 to 12 October 19851986: 19 February 1986 to 4 October 19861987: 12 April 1987 to 23 November 19871988: 11 March 1988 to 15 November 19881989: 12 March 1989 to 15 November 19891990: 23 March 1990 to 26 November 19901991: 5 March 1991 to 25 October 19911992: 16 March 1992 to 12 November 19921993: 9 March 1993 to 19 October 19931994: 6 March 1994 to 23 October 19941995: 8 April 1995 to 28 October 19951996: 11 February 1996 to 21 November 19961997: 22 March 1997 to 1 November 19971998: 24 March 1998 to 15 October 19982000: 20 January 2000 to 6 October 20002002: 14 March 2002 to 29 September 20022004: 17 March 2004 to 21 October 20042005: 4 April 2005 to 8 November 20052006: 3 January 2006 to 9 November 20062007: 10 March 2007 to 9 November 20072008: 25 February 2008 to 11 October 20082010: 31 March 2010 to 22 December 20102015: 24 March 2015 to 16 October 201519091968197419801986199219982007JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Robert Lee 4WSW meeting 30 C (86 F).
First to last qualifying date each year at Robert Lee 4WSW
YearFirst dateLast date
19091909-01-251909-11-21
19101910-03-031910-10-26
19631963-03-181963-11-08
19641964-03-141964-10-18
19661966-03-181966-10-14
19671967-03-041967-10-27
19681968-05-021968-10-31
19691969-01-091969-11-09
19701970-04-091970-11-27
19711971-03-131971-10-18
19721972-01-241972-10-30
19731973-04-211973-10-11
19741974-03-011974-10-10
19751975-03-211975-10-13
19761976-02-101976-10-04
19771977-03-151977-11-01
19781978-03-211978-10-21
19791979-02-151979-10-28
19801980-04-071980-11-09
19811981-04-081981-11-19
19821982-03-131982-11-01
19831983-04-011983-10-25
19841984-03-231984-10-19
19851985-03-121985-10-12
19861986-02-191986-10-04
19871987-04-121987-11-23
19881988-03-111988-11-15
19891989-03-121989-11-15
19901990-03-231990-11-26
19911991-03-051991-10-25
19921992-03-161992-11-12
19931993-03-091993-10-19
19941994-03-061994-10-23
19951995-04-081995-10-28
19961996-02-111996-11-21
19971997-03-221997-11-01
19981998-03-241998-10-15
20002000-01-202000-10-06
20022002-03-142002-09-29
20042004-03-172004-10-21
20052005-04-042005-11-08
20062006-01-032006-11-09
20072007-03-102007-11-09
20082008-02-252008-10-11
20102010-03-312010-12-22
20152015-03-242015-10-16

Every Fixed Threshold

Fixed thresholds at Robert Lee 4WSW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days461841963139
35 C (95 F): Days46110199852
40 C (104 F): Days352420062
45 C (113 F): Days1120001
90 F (32.2 C): Days461511989101
100 F (37.8 C): Days4668200616
110 F (43.3 C): Days7219782
0 C (32 F): Ice days (max441119634
0 C (32 F): Frost days (min4686198856
-10 C (14 F): Days with min331319663
20 C (68 F): Tropical nights (min46123200083
25 C (77 F): Days with min3224191011
10 mm (0.39 in): Days with 10 mm or more rain5630199124
25 mm (0.98 in): Days with 25 mm or more rain561319866
50 mm (1.97 in): Days with 50 mm or more rain35519861
100 mm (3.94 in): Days with 100 mm or more rain10219611
10 cm (3.9 in): Days with 10 cm or more snowfall2119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

  • Data for Robert Lee 4WSW 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).