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Port of Morgan Weather Records (USC00246672)

Record envelope, standing records and threshold days for Port of Morgan (USC00246672), Montana, United States, with 51 years of record.

Key Facts for Port of Morgan

  • Port of Morgan (USC00246672) is a weather station in Montana, United States at 49.00 latitude and -107.83 longitude, 863 m (2,830 ft) above sea level.
  • The station reports from 1976 to 2026, 51 years of record.
  • 1,464 records set at Port of Morgan still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Port of Morgan set a daily record high minimum temperature of 12.2 C (54.0 F) on 25 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Montana, United States, 49.00 latitude, -107.83 longitude.
  • Elevation: 863 m (2,830 ft).
  • Period of record: 1976 to 2026, 51 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

23 days at or beyond a record
Daily record high and record low at Port of Morgan, with 2026 drawn through them The band shows the record high and record low for each calendar day at Port of Morgan. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Port of Morgan. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Port of Morgan, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan15.6 C (60.1 F)-42.2 C (-44.0 F)6.7 C (44.1 F)-32.2 C (-26.0 F)
Feb19.4 C (66.9 F)-39.4 C (-38.9 F)12.2 C (54.0 F)-23.9 C (-11.0 F)
Mar22.8 C (73.0 F)-33.9 C (-29.0 F)21.1 C (70.0 F)-22.2 C (-8.0 F)
Apr31.7 C (89.1 F)-20.0 C (-4.0 F)26.1 C (79.0 F)-7.8 C (18.0 F)
May36.1 C (97.0 F)-10.0 C (14.0 F)33.3 C (91.9 F)-6.1 C (21.0 F)
Jun38.3 C (100.9 F)-1.7 C (28.9 F)25.6 C (78.1 F)3.3 C (37.9 F)
Jul39.4 C (102.9 F)2.2 C (36.0 F)38.3 C (100.9 F)9.4 C (48.9 F)
Aug39.4 C (102.9 F)-0.6 C (30.9 F)37.8 C (100.0 F)2.8 C (37.0 F)
Sep37.8 C (100.0 F)-7.8 C (18.0 F)30.0 C (86.0 F)7.2 C (45.0 F)
Oct31.1 C (88.0 F)-25.6 C (-14.1 F)25.0 C (77.0 F)2.2 C (36.0 F)
Nov24.4 C (75.9 F)-35.6 C (-32.1 F)n/an/a
Dec16.1 C (61.0 F)-41.1 C (-42.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Port of Morgan by the year they were set 1,464 records at Port of Morgan still stand. 1992 holds the most, with 61. 0204060801976: 181977: 471978: 251979: 281980: 441981: 331982: 361983: 371984: 321985: 461986: 301987: 341988: 471989: 251990: 321991: 391992: 611993: 71994: 221995: 271996: 321997: 251998: 231999: 212000: 192001: 252002: 562003: 342004: 172005: 292006: 212007: 332008: 232009: 352010: 162011: 132012: 232013: 222014: 192015: 172016: 142017: 182018: 192019: 272020: 332021: 472022: 242023: 282024: 272025: 212026: 33197619821988199420002006201220182024
1,464 records at Port of Morgan still stand. 1992 holds the most, with 61.
Standing records at Port of Morgan by the year they were set
Year setStanding records
197618
197747
197825
197928
198044
198133
198236
198337
198432
198546
198630
198734
198847
198925
199032
199139
199261
19937
199422
199527
199632
199725
199823
199921
200019
200125
200256
200334
200417
200529
200621
200733
200823
200935
201016
201113
201223
201322
201419
201517
201614
201718
201819
201927
202033
202147
202224
202328
202427
202521
202633

All-Time Record Progression

8 new records
When Port of Morgan set new all-time records 8 all-time records were set at Port of Morgan between 14 January 2011 and 14 January 2024. Each dot is a new record. Record snow depthRecord low minimum temperature14 January 2011: Record snow depth 38.1 cm (15.0 in)15 January 2011: Record snow depth 45.7 cm (18.0 in)16 January 2011: Record snow depth 48.3 cm (19.0 in)18 January 2011: Record snow depth 50.8 cm (20.0 in)22 January 2011: Record snow depth 66.0 cm (26.0 in)29 January 2011: Record snow depth 71.1 cm (28.0 in)30 January 2011: Record snow depth 78.7 cm (31.0 in)14 January 2024: Record low minimum temperature -42.2 C (-44.0 F)201520202025
8 all-time records were set at Port of Morgan between 14 January 2011 and 14 January 2024. Each dot is a new record.
When Port of Morgan set new all-time records
DateKindDetail
2011-01-14Record snow depthRecord snow depth 38.1 cm (15.0 in)
2011-01-15Record snow depthRecord snow depth 45.7 cm (18.0 in)
2011-01-16Record snow depthRecord snow depth 48.3 cm (19.0 in)
2011-01-18Record snow depthRecord snow depth 50.8 cm (20.0 in)
2011-01-22Record snow depthRecord snow depth 66.0 cm (26.0 in)
2011-01-29Record snow depthRecord snow depth 71.1 cm (28.0 in)
2011-01-30Record snow depthRecord snow depth 78.7 cm (31.0 in)
2024-01-14Record low minimum temperatureRecord low minimum temperature -42.2 C (-44.0 F)

Wettest Day of Each Month

Jul: 75.4 mm (3.0 in)
Record daily precipitation for each month at Port of Morgan The wettest day on record for each calendar month at Port of Morgan. The most was 75.4 mm (3.0 in) on 10 July 1983. 020406080 Jan: 18.3 mm (0.7 in), 22 January 2011 Jan Feb: 19.1 mm (0.8 in), 1 February 2015 Feb Mar: 12.7 mm (0.5 in), 22 March 2011 Mar Apr: 23.4 mm (0.9 in), 14 April 2011 Apr May: 54.6 mm (2.1 in), 31 May 2013 May Jun: 51.6 mm (2.0 in), 27 June 1998 Jun Jul: 75.4 mm (3.0 in), 10 July 1983 Jul Aug: 45.5 mm (1.8 in), 24 August 2014 Aug Sep: 44.5 mm (1.8 in), 29 September 2019 Sep Oct: 69.9 mm (2.8 in), 4 October 2016 Oct Nov: 25.1 mm (1.0 in), 9 November 2012 Nov Dec: 20.3 mm (0.8 in), 31 December 2004 Dec
The wettest day on record for each calendar month at Port of Morgan. The most was 75.4 mm (3.0 in) on 10 July 1983.
Record daily precipitation for each month at Port of Morgan
MonthRecord daily precipitation (mm)Date
Jan18.3 mm (0.7 in)22 January 2011
Feb19.1 mm (0.8 in)1 February 2015
Mar12.7 mm (0.5 in)22 March 2011
Apr23.4 mm (0.9 in)14 April 2011
May54.6 mm (2.1 in)31 May 2013
Jun51.6 mm (2.0 in)27 June 1998
Jul75.4 mm (3.0 in)10 July 1983
Aug45.5 mm (1.8 in)24 August 2014
Sep44.5 mm (1.8 in)29 September 2019
Oct69.9 mm (2.8 in)4 October 2016
Nov25.1 mm (1.0 in)9 November 2012
Dec20.3 mm (0.8 in)31 December 2004

Period of Record Coverage

1976 to 2026
Days with data per year at Port of Morgan 51 years of record at Port of Morgan, 1976 to 2026. 30 years have data for under 90 percent of days and are left out of rankings: 1976, 1979, 1980, 1982, 1983, 1984, 1985, 1986 and others. 1976: 253 of 366 days1977: 348 of 365 days1978: 349 of 365 days1979: 313 of 365 days1980: 327 of 366 days1981: 336 of 365 days1982: 291 of 365 days1983: 316 of 365 days1984: 268 of 366 days1985: 297 of 365 days1986: 319 of 365 days1987: 281 of 365 days1988: 297 of 366 days1989: 310 of 365 days1990: 330 of 365 days1991: 331 of 365 days1992: 329 of 366 days1993: 135 of 365 days1994: 289 of 365 days1995: 345 of 365 days1996: 305 of 366 days1997: 322 of 365 days1998: 318 of 365 days1999: 346 of 365 days2000: 340 of 366 days2001: 319 of 365 days2002: 296 of 365 days2003: 216 of 365 days2004: 242 of 366 days2005: 271 of 365 days2006: 351 of 365 days2007: 359 of 365 days2008: 326 of 366 days2009: 361 of 365 days2010: 345 of 365 days2011: 362 of 365 days2012: 364 of 366 days2013: 364 of 365 days2014: 362 of 365 days2015: 316 of 365 days2016: 252 of 366 days2017: 194 of 365 days2018: 285 of 365 days2019: 306 of 365 days2020: 355 of 366 days2021: 358 of 365 days2022: 333 of 365 days2023: 324 of 365 days2024: 337 of 366 days2025: 346 of 365 days2026: 250 of 365 days19801990200020102020
51 years of record at Port of Morgan, 1976 to 2026. 30 years have data for under 90 percent of days and are left out of rankings: 1976, 1979, 1980, 1982, 1983, 1984, 1985, 1986 and others.
Days with data per year at Port of Morgan
YearDays with dataShare of yearComplete
197625369%No
197734895%Yes
197834996%Yes
197931386%No
198032789%No
198133692%Yes
198229180%No
198331687%No
198426873%No
198529781%No
198631987%No
198728177%No
198829781%No
198931085%No
199033090%Yes
199133191%Yes
199232990%No
199313537%No
199428979%No
199534595%Yes
199630583%No
199732288%No
199831887%No
199934695%Yes
200034093%Yes
200131987%No
200229681%No
200321659%No
200424266%No
200527174%No
200635196%Yes
200735998%Yes
200832689%No
200936199%Yes
201034595%Yes
201136299%Yes
201236499%Yes
2013364100%Yes
201436299%Yes
201531687%No
201625269%No
201719453%No
201828578%No
201930684%No
202035597%Yes
202135898%Yes
202233391%Yes
202332489%No
202433792%Yes
202534695%Yes
202625068%No

Latest Records

20
Latest records at Port of Morgan
DateStationRecordValueBeat old record byOld record stoodSignificance
25 September 2026Port of Morgan, USdaily high min (Provisional)12.2 C (54.0 F)0.5 C (0.9 F)12 years9 of 100 (Routine)
23 August 2026Port of Morgan, USdaily high min (Provisional)18.3 C (64.9 F)1.1 C (2.0 F)49 years21 of 100 (Routine)
7 August 2026Port of Morgan, USdaily low min5.0 C (41.0 F)0.6 C (1.1 F)45 years19 of 100 (Routine)
4 August 2026Port of Morgan, USdaily low min2.8 C (37.0 F)2.2 C (4.0 F)16 years14 of 100 (Routine)
1 August 2026Port of Morgan, USdaily high max37.8 C (100.0 F)1.1 C (2.0 F)36 years18 of 100 (Routine)
26 July 2026Port of Morgan, USdaily high max37.8 C (100.0 F)2.2 C (4.0 F)41 years22 of 100 (Routine)
18 July 2026Port of Morgan, USdaily high min (Tie)19.4 C (66.9 F)tie21 years2 of 100 (Routine)
13 July 2026Port of Morgan, USdaily high max37.2 C (99.0 F)2.8 C (5.0 F)40 years23 of 100 (Routine)
12 July 2026Port of Morgan, USdaily high max38.3 C (100.9 F)1.6 C (2.9 F)40 years20 of 100 (Routine)
11 July 2026Port of Morgan, USdaily high max37.8 C (100.0 F)0.6 C (1.1 F)40 years18 of 100 (Routine)
19 June 2026Port of Morgan, USdaily low min3.3 C (37.9 F)0.6 C (1.1 F)48 years20 of 100 (Routine)
2 June 2026Port of Morgan, USdaily low max15.0 C (59.0 F)2.2 C (4.0 F)36 years19 of 100 (Routine)
1 June 2026Port of Morgan, USdaily low max11.7 C (53.1 F)1.6 C (2.9 F)25 years15 of 100 (Routine)
30 May 2026Port of Morgan, USdaily high min (Tie)14.4 C (57.9 F)tie37 years4 of 100 (Routine)
28 May 2026Port of Morgan, USdaily high min17.2 C (63.0 F)3.9 C (7.0 F)3 years14 of 100 (Routine)
27 May 2026Port of Morgan, USdaily high max32.8 C (91.0 F)1.7 C (3.1 F)37 years18 of 100 (Routine)
27 May 2026Port of Morgan, USdaily high min15.6 C (60.1 F)3.4 C (6.1 F)3 years12 of 100 (Routine)
26 May 2026Port of Morgan, USdaily high max33.3 C (91.9 F)2.7 C (4.9 F)28 years17 of 100 (Routine)
26 May 2026Port of Morgan, USdaily high min13.9 C (57.0 F)1.1 C (2.0 F)12 years10 of 100 (Routine)
22 May 2026Port of Morgan, USdaily low min-6.1 C (21.0 F)2.8 C (5.0 F)33 years21 of 100 (Routine)

Climate Trend

25 complete years, 1978 to 2025
Annual mean temperature at Port of Morgan as warming stripes, 1978 to 2025 One stripe for each of 25 complete years at Port of Morgan, 1978 to 2025. Blue stripes are years cooler than the station's own mean of 5.6 C (42.1 F); red stripes are warmer. The coolest year was 1978, at 3.5 C (38.3 F), and the warmest was 1981, at 7.3 C (45.1 F). The strongest colour marks a difference of 2.2 C (4.0 F). 1978: 3.5 C, -2.1 C from the station mean1979: 4.0 C, -1.6 C from the station mean1980: 5.2 C, -0.4 C from the station mean1981: 7.3 C, +1.7 C from the station mean1989: 4.9 C, -0.7 C from the station mean1990: 6.1 C, +0.5 C from the station mean1991: 6.4 C, +0.8 C from the station mean1992: 6.7 C, +1.1 C from the station mean1995: 4.9 C, -0.7 C from the station mean1999: 6.6 C, +1.0 C from the station mean2005: 6.5 C, +0.9 C from the station mean2006: 6.7 C, +1.1 C from the station mean2007: 6.6 C, +1.0 C from the station mean2009: 4.1 C, -1.5 C from the station mean2011: 4.7 C, -0.9 C from the station mean2012: 6.2 C, +0.6 C from the station mean2013: 4.4 C, -1.2 C from the station mean2014: 4.5 C, -1.1 C from the station mean2015: 6.5 C, +0.9 C from the station mean2020: 4.7 C, -0.9 C from the station mean2021: 6.1 C, +0.5 C from the station mean2022: 5.2 C, -0.4 C from the station mean2023: 5.8 C, +0.2 C from the station mean2024: 6.2 C, +0.6 C from the station mean2025: 5.9 C, +0.3 C from the station mean1978198519901995200020052010201520202025
One stripe for each of 25 complete years at Port of Morgan, 1978 to 2025. Blue stripes are years cooler than the station's own mean of 5.6 C (42.1 F); red stripes are warmer. The coolest year was 1978, at 3.5 C (38.3 F), and the warmest was 1981, at 7.3 C (45.1 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Port of Morgan as warming stripes, 1978 to 2025
YearAnnual mean temperatureDifference from the station mean
19783.5 C-2.11 C
19794.0 C-1.62 C
19805.2 C-0.35 C
19817.3 C+1.68 C
19894.9 C-0.69 C
19906.1 C+0.50 C
19916.4 C+0.85 C
19926.7 C+1.07 C
19954.9 C-0.74 C
19996.6 C+1.04 C
20056.5 C+0.90 C
20066.7 C+1.13 C
20076.6 C+0.97 C
20094.1 C-1.45 C
20114.7 C-0.87 C
20126.2 C+0.65 C
20134.4 C-1.23 C
20144.5 C-1.05 C
20156.5 C+0.86 C
20204.7 C-0.86 C
20216.1 C+0.52 C
20225.2 C-0.36 C
20235.8 C+0.24 C
20246.2 C+0.57 C
20255.9 C+0.35 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 2026
Yearly extremes at Port of Morgan: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)39.4 C (102.9 F)198336.1 C (97.0 F)51
Coldest night (TNn)-42.2 C (-44.0 F)2024-34.4 C (-29.9 F)51
Wettest day (Rx1day)75.4 mm (3.0 in)198334.3 mm (1.4 in)51
Wettest five days (Rx5day)123.6 mm (4.9 in)201651.8 mm (2.0 in)51
Longest dry spell (CDD)104 days202144 days51

Hottest day (TXx)

Hottest day (TXx) at Port of Morgan by year The hottest day of the year at Port of Morgan, 1976 to 2026. The record is 39.4 C (102.9 F) in 1983, marked on the chart; the median year is 36.1 C (97.0 F). 3032.53537.54019801990200020102020Record: 39.4 C (102.9 F) in 1983
The hottest day of the year at Port of Morgan, 1976 to 2026. The record is 39.4 C (102.9 F) in 1983, marked on the chart; the median year is 36.1 C (97.0 F).
Hottest day (TXx) at Port of Morgan by year
YearHottest day (TXx)
197635.6 C (96.1 F)
197736.7 C (98.1 F)
197834.4 C (93.9 F)
197936.1 C (97.0 F)
198035.6 C (96.1 F)
198137.2 C (99.0 F)
198233.3 C (91.9 F)
198339.4 C (102.9 F)
198437.2 C (99.0 F)
198538.3 C (100.9 F)
198633.9 C (93.0 F)
198736.1 C (97.0 F)
198838.3 C (100.9 F)
198937.2 C (99.0 F)
199038.3 C (100.9 F)
199136.1 C (97.0 F)
199236.1 C (97.0 F)
199330.6 C (87.1 F)
199432.8 C (91.0 F)
199535.6 C (96.1 F)
199636.7 C (98.1 F)
199736.1 C (97.0 F)
199835.0 C (95.0 F)
199936.1 C (97.0 F)
200037.2 C (99.0 F)
200137.8 C (100.0 F)
200235.0 C (95.0 F)
200337.8 C (100.0 F)
200434.4 C (93.9 F)
200537.2 C (99.0 F)
200636.7 C (98.1 F)
200738.9 C (102.0 F)
200835.0 C (95.0 F)
200934.4 C (93.9 F)
201036.1 C (97.0 F)
201135.6 C (96.1 F)
201235.6 C (96.1 F)
201335.6 C (96.1 F)
201433.3 C (91.9 F)
201535.0 C (95.0 F)
201632.2 C (90.0 F)
201737.2 C (99.0 F)
201838.3 C (100.9 F)
201934.4 C (93.9 F)
202036.1 C (97.0 F)
202137.8 C (100.0 F)
202238.9 C (102.0 F)
202337.8 C (100.0 F)
202439.4 C (102.9 F)
202537.2 C (99.0 F)
202638.3 C (100.9 F)

Coldest night (TNn)

Coldest night (TNn) at Port of Morgan by year The coldest night of the year at Port of Morgan, 1976 to 2026. The record is -42.2 C (-44.0 F) in 2024, marked on the chart; the median year is -34.4 C (-29.9 F). -45-40-35-30-2519801990200020102020Record: -42.2 C (-44.0 F) in 2024
The coldest night of the year at Port of Morgan, 1976 to 2026. The record is -42.2 C (-44.0 F) in 2024, marked on the chart; the median year is -34.4 C (-29.9 F).
Coldest night (TNn) at Port of Morgan by year
YearColdest night (TNn)
1976-30.6 C (-23.1 F)
1977-39.4 C (-38.9 F)
1978-37.2 C (-35.0 F)
1979-37.8 C (-36.0 F)
1980-37.2 C (-35.0 F)
1981-32.8 C (-27.0 F)
1982-37.8 C (-36.0 F)
1983-41.1 C (-42.0 F)
1984-31.7 C (-25.1 F)
1985-35.6 C (-32.1 F)
1986-33.3 C (-27.9 F)
1987-27.2 C (-17.0 F)
1988-33.9 C (-29.0 F)
1989-40.0 C (-40.0 F)
1990-37.8 C (-36.0 F)
1991-31.7 C (-25.1 F)
1992-33.3 C (-27.9 F)
1993-30.6 C (-23.1 F)
1994-38.3 C (-36.9 F)
1995-30.0 C (-22.0 F)
1996-40.0 C (-40.0 F)
1997-37.8 C (-36.0 F)
1998-37.2 C (-35.0 F)
1999-28.3 C (-18.9 F)
2000-33.9 C (-29.0 F)
2001-27.8 C (-18.0 F)
2002-31.1 C (-24.0 F)
2003-33.9 C (-29.0 F)
2004-36.1 C (-33.0 F)
2005-36.1 C (-33.0 F)
2006-30.0 C (-22.0 F)
2007-30.6 C (-23.1 F)
2008-35.6 C (-32.1 F)
2009-33.9 C (-29.0 F)
2010-32.8 C (-27.0 F)
2011-35.6 C (-32.1 F)
2012-34.4 C (-29.9 F)
2013-38.3 C (-36.9 F)
2014-33.9 C (-29.0 F)
2015-30.0 C (-22.0 F)
2016-34.4 C (-29.9 F)
2017-35.0 C (-31.0 F)
2018-35.0 C (-31.0 F)
2019-31.7 C (-25.1 F)
2020-31.7 C (-25.1 F)
2021-37.2 C (-35.0 F)
2022-37.2 C (-35.0 F)
2023-28.3 C (-18.9 F)
2024-42.2 C (-44.0 F)
2025-36.1 C (-33.0 F)
2026-32.2 C (-26.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Port of Morgan by year The wettest day of the year at Port of Morgan, 1976 to 2026. The record is 75.4 mm (3.0 in) in 1983, marked on the chart; the median year is 34.3 mm (1.4 in). 02040608019801990200020102020Record: 75.4 mm (3.0 in) in 1983
The wettest day of the year at Port of Morgan, 1976 to 2026. The record is 75.4 mm (3.0 in) in 1983, marked on the chart; the median year is 34.3 mm (1.4 in).
Wettest day (Rx1day) at Port of Morgan by year
YearWettest day (Rx1day)
197631.0 mm (1.2 in)
197722.6 mm (0.9 in)
197833.8 mm (1.3 in)
197922.9 mm (0.9 in)
198034.8 mm (1.4 in)
198125.7 mm (1.0 in)
198234.8 mm (1.4 in)
198375.4 mm (3.0 in)
198424.1 mm (0.9 in)
198532.8 mm (1.3 in)
198638.6 mm (1.5 in)
198734.3 mm (1.4 in)
198848.3 mm (1.9 in)
198919.1 mm (0.8 in)
199051.3 mm (2.0 in)
199144.5 mm (1.8 in)
199223.6 mm (0.9 in)
199361.0 mm (2.4 in)
199436.3 mm (1.4 in)
199523.4 mm (0.9 in)
199626.7 mm (1.1 in)
199739.4 mm (1.6 in)
199851.6 mm (2.0 in)
199936.8 mm (1.4 in)
200041.4 mm (1.6 in)
200127.9 mm (1.1 in)
200236.3 mm (1.4 in)
200335.6 mm (1.4 in)
200433.0 mm (1.3 in)
200541.1 mm (1.6 in)
200625.7 mm (1.0 in)
200717.8 mm (0.7 in)
200828.7 mm (1.1 in)
200930.2 mm (1.2 in)
201040.4 mm (1.6 in)
201136.3 mm (1.4 in)
201249.0 mm (1.9 in)
201354.6 mm (2.1 in)
201445.5 mm (1.8 in)
201527.9 mm (1.1 in)
201669.9 mm (2.8 in)
201731.8 mm (1.3 in)
20189.4 mm (0.37 in)
201944.5 mm (1.8 in)
202024.1 mm (0.9 in)
202121.6 mm (0.9 in)
202246.5 mm (1.8 in)
202341.9 mm (1.6 in)
202431.8 mm (1.3 in)
202516.8 mm (0.7 in)
202625.4 mm (1.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Port of Morgan by year The wettest five days of the year at Port of Morgan, 1976 to 2026. The record is 123.6 mm (4.9 in) in 2016, marked on the chart; the median year is 51.8 mm (2.0 in). 05010015019801990200020102020Record: 123.6 mm (4.9 in) in 2016
The wettest five days of the year at Port of Morgan, 1976 to 2026. The record is 123.6 mm (4.9 in) in 2016, marked on the chart; the median year is 51.8 mm (2.0 in).
Wettest five days (Rx5day) at Port of Morgan by year
YearWettest five days (Rx5day)
197646.0 mm (1.8 in)
197738.4 mm (1.5 in)
197855.9 mm (2.2 in)
197941.4 mm (1.6 in)
198050.7 mm (2.0 in)
198138.5 mm (1.5 in)
198249.0 mm (1.9 in)
198386.1 mm (3.4 in)
198442.1 mm (1.7 in)
198558.4 mm (2.3 in)
198662.3 mm (2.5 in)
198759.2 mm (2.3 in)
198864.5 mm (2.5 in)
198929.9 mm (1.2 in)
199051.8 mm (2.0 in)
199187.8 mm (3.5 in)
199245.9 mm (1.8 in)
199381.9 mm (3.2 in)
199441.1 mm (1.6 in)
199539.4 mm (1.6 in)
199649.3 mm (1.9 in)
199765.5 mm (2.6 in)
199862.5 mm (2.5 in)
199949.5 mm (1.9 in)
200056.1 mm (2.2 in)
200166.5 mm (2.6 in)
200283.3 mm (3.3 in)
200351.9 mm (2.0 in)
200467.6 mm (2.7 in)
200564.9 mm (2.6 in)
200641.0 mm (1.6 in)
200724.9 mm (1.0 in)
200854.7 mm (2.2 in)
200942.7 mm (1.7 in)
201080.0 mm (3.1 in)
201173.1 mm (2.9 in)
201257.3 mm (2.3 in)
201399.3 mm (3.9 in)
201490.0 mm (3.5 in)
201548.3 mm (1.9 in)
2016123.6 mm (4.9 in)
201731.8 mm (1.3 in)
201814.4 mm (0.6 in)
201979.8 mm (3.1 in)
202036.0 mm (1.4 in)
202136.0 mm (1.4 in)
202249.8 mm (2.0 in)
202341.9 mm (1.6 in)
202461.7 mm (2.4 in)
202530.5 mm (1.2 in)
202634.1 mm (1.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Port of Morgan by year The longest dry spell of the year at Port of Morgan, 1976 to 2026. The record is 104 days in 2021, marked on the chart; the median year is 44 days. 025507510012519801990200020102020Record: 104 days in 2021
The longest dry spell of the year at Port of Morgan, 1976 to 2026. The record is 104 days in 2021, marked on the chart; the median year is 44 days.
Longest dry spell (CDD) at Port of Morgan by year
YearLongest dry spell (CDD)
197646 days
197752 days
197827 days
197938 days
198044 days
198150 days
198233 days
198358 days
198455 days
198533 days
198634 days
198734 days
198841 days
198930 days
199041 days
199144 days
199295 days
199321 days
199450 days
199531 days
199639 days
199749 days
199852 days
199948 days
200045 days
200183 days
200246 days
200337 days
200450 days
200568 days
200635 days
200787 days
200851 days
200944 days
201079 days
201144 days
201255 days
201336 days
201431 days
201527 days
201639 days
201734 days
201827 days
201930 days
202052 days
2021104 days
202230 days
202351 days
202423 days
202529 days
202658 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

25 years with a frost

Across 25 years with a frost, the median last spring frost at Port of Morgan falls on 17 May and the median first autumn frost on 17 September, which leaves a median of 121 days between them.

Fitted over all years, the growing season changes by +8.7 days per decade at this station.

Frost dates and growing season at Port of Morgan
MeasureMedian, all yearsEarliest periodRecent period (1978 to 2025)Recent against earliestFitted trend
Last spring frost17 Mayn/a17 Mayn/a-4.1 days per decade
First autumn frost17 Septembern/a17 Septembern/a+4.6 days per decade
Growing days121 daysn/a121 daysn/a+8.7 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.

Download the Data

  • Data for Port of Morgan standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Port of Morgan 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).