Built 2026-10-17 (17 October 2026)

Lsu Dean Lee Rsch STN Weather Records (USC00165630)

Record envelope, standing records and threshold days for Lsu Dean Lee Rsch STN (USC00165630), Louisiana, United States, with 40 years of record.

Key Facts for Lsu Dean Lee Rsch STN

  • Lsu Dean Lee Rsch STN (USC00165630) is a weather station in Louisiana, United States at 31.18 latitude and -92.41 longitude, 21 m (70 ft) above sea level.
  • The station reports from 1976 to 2015, 40 years of record.
  • 1,464 records set at Lsu Dean Lee Rsch STN still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Lsu Dean Lee Rsch STN tied a daily record high minimum temperature of 25.0 C (77.0 F) on 30 July 2015.

About the Station

  • Location: Louisiana, United States, 31.18 latitude, -92.41 longitude.
  • Elevation: 21 m (70 ft).
  • Period of record: 1976 to 2015, 40 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Lsu Dean Lee Rsch STN, with 2026 drawn through them The band shows the record high and record low for each calendar day at Lsu Dean Lee Rsch STN. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Lsu Dean Lee Rsch STN. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Lsu Dean Lee Rsch STN, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan28.3 C (82.9 F)-12.8 C (9.0 F)n/an/a
Feb29.4 C (84.9 F)-9.4 C (15.1 F)n/an/a
Mar30.6 C (87.1 F)-5.6 C (21.9 F)n/an/a
Apr34.4 C (93.9 F)-1.7 C (28.9 F)n/an/a
May37.2 C (99.0 F)4.4 C (39.9 F)n/an/a
Jun38.3 C (100.9 F)11.1 C (52.0 F)n/an/a
Jul40.0 C (104.0 F)15.6 C (60.1 F)n/an/a
Aug41.7 C (107.1 F)11.1 C (52.0 F)n/an/a
Sep43.3 C (109.9 F)5.6 C (42.1 F)n/an/a
Oct36.7 C (98.1 F)-2.2 C (28.0 F)n/an/a
Nov31.1 C (88.0 F)-6.7 C (19.9 F)n/an/a
Dec28.3 C (82.9 F)-13.9 C (7.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Lsu Dean Lee Rsch STN by the year they were set 1,464 records at Lsu Dean Lee Rsch STN still stand. 1989 holds the most, with 85. 02550751001976: 521977: 411978: 511979: 411980: 571981: 401982: 641983: 361984: 491985: 381986: 251987: 261988: 331989: 851990: 431991: 391992: 211993: 261994: 211995: 381996: 391997: 371998: 611999: 392000: 712001: 292002: 402003: 322004: 342005: 392006: 392007: 332008: 362009: 222010: 422011: 252012: 152013: 42015: 11976198019841988199219962000200420082012
1,464 records at Lsu Dean Lee Rsch STN still stand. 1989 holds the most, with 85.
Standing records at Lsu Dean Lee Rsch STN by the year they were set
Year setStanding records
197652
197741
197851
197941
198057
198140
198264
198336
198449
198538
198625
198726
198833
198985
199043
199139
199221
199326
199421
199538
199639
199737
199861
199939
200071
200129
200240
200332
200434
200539
200639
200733
200836
200922
201042
201125
201215
20134
20151

Wettest Day of Each Month

Nov: 288.5 mm (11.4 in)
Record daily precipitation for each month at Lsu Dean Lee Rsch STN The wettest day on record for each calendar month at Lsu Dean Lee Rsch STN. The most was 288.5 mm (11.4 in) on 16 November 1987. 0100200300 Jan: 182.9 mm (7.2 in), 10 January 2013 Jan Feb: 153.2 mm (6.0 in), 6 February 2012 Feb Mar: 109.7 mm (4.3 in), 4 March 1977 Mar Apr: 148.1 mm (5.8 in), 6 April 1983 Apr May: 107.4 mm (4.2 in), 4 May 1991 May Jun: 140.5 mm (5.5 in), 7 June 1984 Jun Jul: 89.9 mm (3.5 in), 26 July 2004 Jul Aug: 143.5 mm (5.6 in), 29 August 1978 Aug Sep: 224.3 mm (8.8 in), 2 September 2008 Sep Oct: 185.4 mm (7.3 in), 17 October 2006 Oct Nov: 288.5 mm (11.4 in), 16 November 1987 Nov Dec: 248.9 mm (9.8 in), 26 December 1982 Dec
The wettest day on record for each calendar month at Lsu Dean Lee Rsch STN. The most was 288.5 mm (11.4 in) on 16 November 1987.
Record daily precipitation for each month at Lsu Dean Lee Rsch STN
MonthRecord daily precipitation (mm)Date
Jan182.9 mm (7.2 in)10 January 2013
Feb153.2 mm (6.0 in)6 February 2012
Mar109.7 mm (4.3 in)4 March 1977
Apr148.1 mm (5.8 in)6 April 1983
May107.4 mm (4.2 in)4 May 1991
Jun140.5 mm (5.5 in)7 June 1984
Jul89.9 mm (3.5 in)26 July 2004
Aug143.5 mm (5.6 in)29 August 1978
Sep224.3 mm (8.8 in)2 September 2008
Oct185.4 mm (7.3 in)17 October 2006
Nov288.5 mm (11.4 in)16 November 1987
Dec248.9 mm (9.8 in)26 December 1982

Period of Record Coverage

1976 to 2015
Days with data per year at Lsu Dean Lee Rsch STN 39 years of record at Lsu Dean Lee Rsch STN, 1976 to 2015. 6 years have data for under 90 percent of days and are left out of rankings: 1976, 2009, 2011, 2012, 2013, 2015. 1976: 305 of 366 days1977: 362 of 365 days1978: 362 of 365 days1979: 363 of 365 days1980: 365 of 366 days1981: 364 of 365 days1982: 365 of 365 days1983: 364 of 365 days1984: 366 of 366 days1985: 364 of 365 days1986: 365 of 365 days1987: 365 of 365 days1988: 363 of 366 days1989: 362 of 365 days1990: 365 of 365 days1991: 363 of 365 days1992: 366 of 366 days1993: 364 of 365 days1994: 365 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 365 of 366 days2001: 365 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 335 of 366 days2005: 334 of 365 days2006: 365 of 365 days2007: 334 of 365 days2008: 366 of 366 days2009: 293 of 365 days2010: 365 of 365 days2011: 244 of 365 days2012: 168 of 366 days2013: 49 of 365 days2015: 19 of 365 days19801985199019952000200520102015
39 years of record at Lsu Dean Lee Rsch STN, 1976 to 2015. 6 years have data for under 90 percent of days and are left out of rankings: 1976, 2009, 2011, 2012, 2013, 2015.
Days with data per year at Lsu Dean Lee Rsch STN
YearDays with dataShare of yearComplete
197630583%No
197736299%Yes
197836299%Yes
197936399%Yes
1980365100%Yes
1981364100%Yes
1982365100%Yes
1983364100%Yes
1984366100%Yes
1985364100%Yes
1986365100%Yes
1987365100%Yes
198836399%Yes
198936299%Yes
1990365100%Yes
199136399%Yes
1992366100%Yes
1993364100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000365100%Yes
2001365100%Yes
2002364100%Yes
2003365100%Yes
200433592%Yes
200533492%Yes
2006365100%Yes
200733492%Yes
2008366100%Yes
200929380%No
2010365100%Yes
201124467%No
201216846%No
20134913%No
2015195%No

Latest Records

20
Latest records at Lsu Dean Lee Rsch STN
DateStationRecordValueBeat old record byOld record stoodSignificance
30 July 2015Lsu Dean Lee Rsch STN, USdaily high min (Tie)25.0 C (77.0 F)tie28 years3 of 100 (Routine)
7 July 2015Lsu Dean Lee Rsch STN, USdaily low min17.8 C (64.0 F)0.5 C (0.9 F)8 years8 of 100 (Routine)
28 June 2013Lsu Dean Lee Rsch STN, USdaily high min (Tie)24.4 C (75.9 F)tie24 years2 of 100 (Routine)
18 June 2013Lsu Dean Lee Rsch STN, USdaily high min (Tie)25.0 C (77.0 F)tie15 years1 of 100 (Routine)
10 June 2013Lsu Dean Lee Rsch STN, USdaily rain31.2 mm (1.2 in)19.3 mm (0.8 in)12 years17 of 100 (Routine)
7 May 2013Lsu Dean Lee Rsch STN, USmonthly low min4.4 C (39.9 F)1.7 C (3.1 F)8 years19 of 100 (Routine)
3 May 2013Lsu Dean Lee Rsch STN, USdaily low min6.7 C (44.1 F)1.6 C (2.9 F)8 years9 of 100 (Routine)
28 March 2013Lsu Dean Lee Rsch STN, USdaily low min0.6 C (33.1 F)2.7 C (4.9 F)35 years18 of 100 (Routine)
26 March 2013Lsu Dean Lee Rsch STN, USdaily low min0.0 C (32.0 F)2.2 C (4.0 F)35 years17 of 100 (Routine)
19 March 2013Lsu Dean Lee Rsch STN, USdaily high max (Tie)29.4 C (84.9 F)tie31 years3 of 100 (Routine)
16 January 2013Lsu Dean Lee Rsch STN, USdaily rain16.8 mm (0.7 in)7.9 mm (0.31 in)12 years10 of 100 (Routine)
10 January 2013Lsu Dean Lee Rsch STN, USmonthly rain182.9 mm (7.2 in)46.2 mm (1.8 in)13 years42 of 100 (Notable)
17 December 2012Lsu Dean Lee Rsch STN, USdaily rain47.8 mm (1.9 in)23.7 mm (0.9 in)18 years18 of 100 (Routine)
26 November 2012Lsu Dean Lee Rsch STN, USdaily low min-2.8 C (27.0 F)1.1 C (2.0 F)13 years8 of 100 (Routine)
5 November 2012Lsu Dean Lee Rsch STN, USdaily high max (Tie)30.0 C (86.0 F)tie9 years1 of 100 (Routine)
15 October 2012Lsu Dean Lee Rsch STN, USmonthly high max36.7 C (98.1 F)1.1 C (2.0 F)14 years19 of 100 (Routine)
1 October 2012Lsu Dean Lee Rsch STN, USdaily rain38.6 mm (1.5 in)22.6 mm (0.9 in)24 years18 of 100 (Routine)
10 September 2012Lsu Dean Lee Rsch STN, USdaily high max (Tie)35.0 C (95.0 F)tie22 years2 of 100 (Routine)
7 September 2012Lsu Dean Lee Rsch STN, USdaily high min24.4 C (75.9 F)2.2 C (4.0 F)27 years17 of 100 (Routine)
7 September 2012Lsu Dean Lee Rsch STN, USdaily high max36.1 C (97.0 F)1.1 C (2.0 F)22 years12 of 100 (Routine)

Climate Trend

29 complete years, 1977 to 2010
Annual mean temperature at Lsu Dean Lee Rsch STN as warming stripes, 1977 to 2010 One stripe for each of 29 complete years at Lsu Dean Lee Rsch STN, 1977 to 2010. Blue stripes are years cooler than the station's own mean of 19.0 C (66.2 F); red stripes are warmer. The coolest year was 1978, at 17.7 C (63.9 F), and the warmest was 1998, at 20.1 C (68.2 F). The strongest colour marks a difference of 1.3 C (2.3 F). 1977: 18.7 C, -0.3 C from the station mean1978: 17.7 C, -1.3 C from the station mean1979: 18.0 C, -1.0 C from the station mean1980: 18.8 C, -0.2 C from the station mean1981: 18.7 C, -0.3 C from the station mean1982: 19.0 C, 0.0 C from the station mean1983: 18.0 C, -1.0 C from the station mean1984: 19.2 C, +0.2 C from the station mean1985: 19.2 C, +0.2 C from the station mean1986: 19.7 C, +0.7 C from the station mean1987: 18.8 C, -0.2 C from the station mean1988: 18.5 C, -0.5 C from the station mean1989: 18.5 C, -0.5 C from the station mean1990: 20.0 C, +1.0 C from the station mean1991: 19.5 C, +0.5 C from the station mean1992: 18.9 C, -0.1 C from the station mean1993: 18.7 C, -0.3 C from the station mean1994: 19.2 C, +0.2 C from the station mean1995: 19.6 C, +0.6 C from the station mean1997: 18.9 C, -0.1 C from the station mean1998: 20.1 C, +1.1 C from the station mean1999: 19.4 C, +0.4 C from the station mean2000: 18.8 C, -0.2 C from the station mean2001: 19.2 C, +0.2 C from the station mean2002: 19.1 C, +0.1 C from the station mean2003: 18.9 C, -0.1 C from the station mean2006: 19.5 C, +0.5 C from the station mean2008: 19.6 C, +0.6 C from the station mean2010: 18.9 C, -0.1 C from the station mean19771980198519901995200020052010
One stripe for each of 29 complete years at Lsu Dean Lee Rsch STN, 1977 to 2010. Blue stripes are years cooler than the station's own mean of 19.0 C (66.2 F); red stripes are warmer. The coolest year was 1978, at 17.7 C (63.9 F), and the warmest was 1998, at 20.1 C (68.2 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Lsu Dean Lee Rsch STN as warming stripes, 1977 to 2010
YearAnnual mean temperatureDifference from the station mean
197718.7 C-0.34 C
197817.7 C-1.25 C
197918.0 C-0.95 C
198018.8 C-0.15 C
198118.7 C-0.26 C
198219.0 C+0.03 C
198318.0 C-1.04 C
198419.2 C+0.22 C
198519.2 C+0.17 C
198619.7 C+0.66 C
198718.8 C-0.15 C
198818.5 C-0.45 C
198918.5 C-0.53 C
199020.0 C+0.97 C
199119.5 C+0.50 C
199218.9 C-0.13 C
199318.7 C-0.28 C
199419.2 C+0.19 C
199519.6 C+0.58 C
199718.9 C-0.14 C
199820.1 C+1.10 C
199919.4 C+0.40 C
200018.8 C-0.24 C
200119.2 C+0.17 C
200219.1 C+0.09 C
200318.9 C-0.13 C
200619.5 C+0.53 C
200819.6 C+0.58 C
201018.9 C-0.07 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1976 to 2015
Yearly extremes at Lsu Dean Lee Rsch STN: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.3 C (109.9 F)200037.2 C (99.0 F)39
Coldest night (TNn)-13.9 C (7.0 F)1989-6.7 C (19.9 F)39
Wettest day (Rx1day)288.5 mm (11.4 in)1987108.2 mm (4.3 in)39
Wettest five days (Rx5day)462.0 mm (18.2 in)2008158.0 mm (6.2 in)39
Longest dry spell (CDD)36 days200521 days39

Hottest day (TXx)

Hottest day (TXx) at Lsu Dean Lee Rsch STN by year The hottest day of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 43.3 C (109.9 F) in 2000, marked on the chart; the median year is 37.2 C (99.0 F). 3537.54042.5451980199020002010Record: 43.3 C (109.9 F) in 2000
The hottest day of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 43.3 C (109.9 F) in 2000, marked on the chart; the median year is 37.2 C (99.0 F).
Hottest day (TXx) at Lsu Dean Lee Rsch STN by year
YearHottest day (TXx)
197636.1 C (97.0 F)
197737.2 C (99.0 F)
197836.7 C (98.1 F)
197936.1 C (97.0 F)
198038.9 C (102.0 F)
198137.2 C (99.0 F)
198237.2 C (99.0 F)
198337.2 C (99.0 F)
198436.1 C (97.0 F)
198536.7 C (98.1 F)
198638.9 C (102.0 F)
198736.7 C (98.1 F)
198837.2 C (99.0 F)
198936.7 C (98.1 F)
199038.3 C (100.9 F)
199137.2 C (99.0 F)
199235.0 C (95.0 F)
199337.8 C (100.0 F)
199436.1 C (97.0 F)
199537.8 C (100.0 F)
199636.7 C (98.1 F)
199736.7 C (98.1 F)
199841.1 C (106.0 F)
199940.0 C (104.0 F)
200043.3 C (109.9 F)
200136.1 C (97.0 F)
200237.2 C (99.0 F)
200336.7 C (98.1 F)
200437.2 C (99.0 F)
200538.9 C (102.0 F)
200638.9 C (102.0 F)
200739.4 C (102.9 F)
200840.0 C (104.0 F)
200938.9 C (102.0 F)
201040.0 C (104.0 F)
201140.6 C (105.1 F)
201238.3 C (100.9 F)
201335.6 C (96.1 F)
201537.2 C (99.0 F)

Coldest night (TNn)

Coldest night (TNn) at Lsu Dean Lee Rsch STN by year The coldest night of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is -13.9 C (7.0 F) in 1989, marked on the chart; the median year is -6.7 C (19.9 F). -20-10010201980199020002010Record: -13.9 C (7.0 F) in 1989
The coldest night of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is -13.9 C (7.0 F) in 1989, marked on the chart; the median year is -6.7 C (19.9 F).
Coldest night (TNn) at Lsu Dean Lee Rsch STN by year
YearColdest night (TNn)
1976-6.7 C (19.9 F)
1977-10.0 C (14.0 F)
1978-6.7 C (19.9 F)
1979-8.3 C (17.1 F)
1980-6.1 C (21.0 F)
1981-7.2 C (19.0 F)
1982-12.8 C (9.0 F)
1983-12.8 C (9.0 F)
1984-7.2 C (19.0 F)
1985-10.0 C (14.0 F)
1986-5.0 C (23.0 F)
1987-3.9 C (25.0 F)
1988-5.6 C (21.9 F)
1989-13.9 C (7.0 F)
1990-7.8 C (18.0 F)
1991-3.9 C (25.0 F)
1992-3.9 C (25.0 F)
1993-5.0 C (23.0 F)
1994-6.1 C (21.0 F)
1995-5.6 C (21.9 F)
1996-9.4 C (15.1 F)
1997-5.6 C (21.9 F)
1998-3.9 C (25.0 F)
1999-7.2 C (19.0 F)
2000-6.7 C (19.9 F)
2001-8.3 C (17.1 F)
2002-8.3 C (17.1 F)
2003-8.3 C (17.1 F)
2004-5.0 C (23.0 F)
2005-5.6 C (21.9 F)
2006-6.7 C (19.9 F)
2007-5.0 C (23.0 F)
2008-3.3 C (26.1 F)
2009-4.4 C (24.1 F)
2010-7.8 C (18.0 F)
2011-6.7 C (19.9 F)
2012-2.8 C (27.0 F)
20130.0 C (32.0 F)
201517.8 C (64.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Lsu Dean Lee Rsch STN by year The wettest day of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 288.5 mm (11.4 in) in 1987, marked on the chart; the median year is 108.2 mm (4.3 in). 01002003001980199020002010Record: 288.5 mm (11.4 in) in 1987
The wettest day of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 288.5 mm (11.4 in) in 1987, marked on the chart; the median year is 108.2 mm (4.3 in).
Wettest day (Rx1day) at Lsu Dean Lee Rsch STN by year
YearWettest day (Rx1day)
197682.8 mm (3.3 in)
1977109.7 mm (4.3 in)
1978143.5 mm (5.6 in)
1979167.1 mm (6.6 in)
1980127.0 mm (5.0 in)
198190.4 mm (3.6 in)
1982248.9 mm (9.8 in)
1983148.1 mm (5.8 in)
1984142.2 mm (5.6 in)
1985119.4 mm (4.7 in)
198690.2 mm (3.6 in)
1987288.5 mm (11.4 in)
198885.1 mm (3.4 in)
198985.1 mm (3.4 in)
199093.2 mm (3.7 in)
1991112.0 mm (4.4 in)
199257.9 mm (2.3 in)
1993131.3 mm (5.2 in)
1994106.9 mm (4.2 in)
1995147.3 mm (5.8 in)
1996102.9 mm (4.1 in)
199797.8 mm (3.9 in)
1998103.9 mm (4.1 in)
1999136.7 mm (5.4 in)
200088.9 mm (3.5 in)
2001108.2 mm (4.3 in)
2002104.6 mm (4.1 in)
200399.8 mm (3.9 in)
200493.2 mm (3.7 in)
2005164.3 mm (6.5 in)
2006185.4 mm (7.3 in)
200767.1 mm (2.6 in)
2008224.3 mm (8.8 in)
200965.5 mm (2.6 in)
201070.4 mm (2.8 in)
2011139.2 mm (5.5 in)
2012153.2 mm (6.0 in)
2013182.9 mm (7.2 in)
201534.3 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Lsu Dean Lee Rsch STN by year The wettest five days of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 462.0 mm (18.2 in) in 2008, marked on the chart; the median year is 158.0 mm (6.2 in). 02004006001980199020002010Record: 462.0 mm (18.2 in) in 2008
The wettest five days of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 462.0 mm (18.2 in) in 2008, marked on the chart; the median year is 158.0 mm (6.2 in).
Wettest five days (Rx5day) at Lsu Dean Lee Rsch STN by year
YearWettest five days (Rx5day)
1976153.6 mm (6.0 in)
1977144.9 mm (5.7 in)
1978143.5 mm (5.6 in)
1979281.1 mm (11.1 in)
1980167.1 mm (6.6 in)
1981111.8 mm (4.4 in)
1982390.1 mm (15.4 in)
1983155.0 mm (6.1 in)
1984234.0 mm (9.2 in)
1985198.1 mm (7.8 in)
1986130.1 mm (5.1 in)
1987336.5 mm (13.2 in)
1988110.4 mm (4.3 in)
1989184.7 mm (7.3 in)
1990142.0 mm (5.6 in)
1991209.7 mm (8.3 in)
1992122.2 mm (4.8 in)
1993204.7 mm (8.1 in)
1994197.6 mm (7.8 in)
1995148.6 mm (5.9 in)
1996136.2 mm (5.4 in)
1997143.5 mm (5.6 in)
1998207.5 mm (8.2 in)
1999142.7 mm (5.6 in)
2000158.0 mm (6.2 in)
2001234.9 mm (9.2 in)
2002191.0 mm (7.5 in)
2003163.4 mm (6.4 in)
2004228.9 mm (9.0 in)
2005202.7 mm (8.0 in)
2006290.1 mm (11.4 in)
2007105.5 mm (4.2 in)
2008462.0 mm (18.2 in)
2009149.6 mm (5.9 in)
2010114.6 mm (4.5 in)
201187.1 mm (3.4 in)
2012205.0 mm (8.1 in)
201357.4 mm (2.3 in)
20151.5 mm (0.06 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Lsu Dean Lee Rsch STN by year The longest dry spell of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 36 days in 2005, marked on the chart; the median year is 21 days. 0102030401980199020002010Record: 36 days in 2005
The longest dry spell of the year at Lsu Dean Lee Rsch STN, 1976 to 2015. The record is 36 days in 2005, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Lsu Dean Lee Rsch STN by year
YearLongest dry spell (CDD)
197623 days
197722 days
197820 days
197931 days
198028 days
198117 days
198224 days
198324 days
198414 days
198518 days
198616 days
198726 days
198821 days
198916 days
199026 days
199128 days
199218 days
199318 days
199419 days
199522 days
199625 days
199713 days
199834 days
199923 days
200023 days
200125 days
200219 days
200319 days
200430 days
200536 days
200616 days
200718 days
200821 days
200925 days
201028 days
201116 days
20125 days
20133 days
20155 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

29 years with a frost

Across 29 years with a frost, the median last spring frost at Lsu Dean Lee Rsch STN falls on 4 March and the median first autumn frost on 17 November, which leaves a median of 261 days between them.

Fitted over all years, the growing season changes by -0.6 days per decade at this station.

Frost dates and growing season at Lsu Dean Lee Rsch STN
MeasureMedian, all yearsEarliest periodRecent period (1977 to 2010)Recent against earliestFitted trend
Last spring frost4 Marchn/a4 Marchn/a-1.5 days per decade
First autumn frost17 Novembern/a17 Novembern/a-2.1 days per decade
Growing days261 daysn/a261 daysn/a-0.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

33 years, 1977 to 2010

A day with at least 111.6 mm (4.4 in) of rain is expected about once in 2 years. A day with at least 336.1 mm (13.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Lsu Dean Lee Rsch STN: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years111.6 mm (4.4 in)
5 years153.6 mm (6.0 in)
10 years187.5 mm (7.4 in)
25 years238.7 mm (9.4 in)
50 years284.0 mm (11.2 in)Longer than the 33 years of record
100 years336.1 mm (13.2 in)Longer than the 33 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 33 years of values from 1977 to 2010.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 288.5 mm (11.4 in) in 1987; 248.9 mm (9.8 in) in 1982; 224.3 mm (8.8 in) in 2008.

Download the Data

  • Data for Lsu Dean Lee Rsch STN standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Lsu Dean Lee Rsch STN 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).