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García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during La Loir cruise started at 1786-05-18 [dataset]. Centre d'Accueil et de Recherche des Archives Nationales, Paris, France, PANGAEA, https://doi.org/10.1594/PANGAEA.746596, In: Jones, Philip D; Wheeler, Dennis A; Können, Gunther P; Koek, Frits B; Prieto, Maria del Rosario; García-Herrera, Ricardo (2007): Climatological observations from ship logbooks between 1750 and 1854 (release 2.1) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.611088

Always quote citation above when using data! You can download the citation in several formats below.

RIS CitationBibTeX Citation

Related to:
García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2005): CLIWOC: A Climatological Database for the World's Oceans 1750–1854 (and 10 more publications about CLIWOC results in the same volume). Climatic Change, 73(1-2), 1-12ff, https://doi.org/10.1007/s10584-005-6952-6
Project(s):
Climatological Database for the Worlds Oceans: 1750-1854 (CLIWOC)
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854
Coverage:
Median Latitude: 46.474000 * Median Longitude: -5.653333 * South-bound Latitude: 45.300000 * West-bound Longitude: -6.700000 * North-bound Latitude: 47.630000 * East-bound Longitude: -4.440000
Date/Time Start: 1786-05-18T00:00:00 * Date/Time End: 1786-10-31T00:00:00
Event(s):
La_Loir_COTE_4/JJ/35 * Date/Time Start: 1786-08-09T00:00:00 * Date/Time End: 1786-10-31T00:00:00 * Campaign: Cliwoc_cruise * Method/Device: Underway cruise track measurements (CT) * Comment: Ship: La Loir, 1st Observer: De Carné (Capitan)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DATE/TIMEDate/TimeGeocode
2 LATITUDELatitudeGeocode
3 LONGITUDELongitudeGeocode
4 Wind directiondddegWind direction (from which the wind is blowing) in whole degrees from: 1-360; 361 = calm, 362 = variable. It is not clear from many logbook entries whether the wind direction has been corrected for the magnetic variation (or declination). To avoid any misunderstanding, all winds from reports that included a valid position in the period 1750-1854 were corrected. All other wind directions are given without being corrected.
5 Wind speedffm/scalculated from the descriptive terms of wind force given in the observations
6 --1 If position is considered to be coastal (in port or near coastal disturbances)
7 CommentCommentOther remarks, that were not possible to put in the other remark fields
8 DeclinationDecldegIt is generally accepted by the CLIWOC team that the wind directions, reported by the ships officers, were relative to the magnetic North direction. Navigators were well aware of the difference between the true and magnetic north direction, but the compasses (we assumed that the bearing-compasses were mostly used for determining the wind direction) were not always adjusted. Therefore the wind direction has to be corrected. The magnetic declination (or variation, as it is known on board ships) is given for the whole CLIWOC period (1750-1850) for every 5x5 degree square. The number was added to the wind direction to get the true wind direction.
9 Wind direction descriptionWind dir descrAll reported wind directions on this day. The wind direction is the direction that points to where the wind comes from.
10 Wind force descriptionWind force descrAll reported wind forces on this day
11 Present weatherwwWeather description
12 Precipitation descriptionPrecip descr
13 State of the sea descriptionState sea descr
14 GustsGusts1 If wind gusts are reported
15 Precipitation/RainRain1 If rain was reported
16 FogFog1 If fog was reported
17 Snow typeSnow1 If snow was reported
18 ThunderThunder1 If thunder and or lightning was reported
19 HailHail1 If hail was reported
20 Sea iceSea ice1 If sea-ice or icebergs were reported
21 IdentificationIDCLIWOC 2.1 line number
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
471 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Date/Time		2 
Latitude		3 
Longitude		4 
dd [deg]		5 
ff [m/s]		6 
-		7 
Comment		8 
Decl [deg]		9 
Wind dir descr		10 
Wind force descr		11 
ww		12 
Precip descr		13 
State sea descr		14 
Gusts		15 
Rain		16 
Fog		17 
Snow		18 
Thunder		19 
Hail		20 
Sea ice		21 
ID
1786-05-18T00:00681APAREILLÉ. MOUILLÉ DANS LE BAIE ST. PIERREDU E AU ENE0000000138365
1786-05-22T00:00451.01APAREILLÉDU ENE AU NEFOIBLE ET JOLIE FRAIS0000000138366
1786-05-23T00:006812.31AU ENEFRAIS0000000138367
1786-08-09T00:0045.259012.31APAREILLÉAU EFRAISBEAU TEMPS0000000138416
1786-08-10T00:006812.3AU ENE ET DU NO AU ONOFRAISBEAU TEMPS0000000138417
1786-08-11T00:0045.873154.61DU NNE AU NOPETITE FRAISBEAU TEMPS0000000138418
1786-08-12T00:004.61APAREILLÉ. A 1 HS MOUILLÉ DANS LA RADE DU BRESTPETITE BRISECOUVERT0000000138419
1786-08-29T00:003156.71A 6 HS DU MATIN APAREILLÉDU NOJOLIE FRAISBEAU TEMPSHOULEUSE0000000138420
1786-08-30T00:002939.31DU NO AU ONOBON FRAIS ET VARIABLECOUVERTBELLE0000000138421
1786-08-31T00:002931A 4 HS DU MATIN APAREILLÉ. MOUILLÉ AU PORT DES BARQUES. APAREILLÉ. MOUILLÉDU ONOCOUVERT ET PLUVIEUX0000000138422
1786-09-23T00:00686.71APAREILLÉAU ENEJOLIE FRAISBEAU TEMPS0000000138423
1786-09-24T00:006812.3AU ENEFRAISHOULEUSE0000000138424
1786-09-25T00:00234.6DU NE AU NNEPETITE FRAISCOUVERT ET PLUVIEUXGROSSE0000000138425
1786-09-26T12:0047.57-5.572709.3-23DU O AU ONOBON FRAISCOUVERT ET PLUVIEUXPLUIEGROSSE0100000138426
1786-09-27T00:002709.3DU ONO AU O ET AU NOBON FRAISNEBULEUXTRÉS GROSSE0000000138427
1786-09-28T00:000.01TOMBÉPLUVIEUXPLUIETOMBÉ0100000138428
1786-10-14T12:0047.45-5.591131.0APAREILLÉ-22DU E AU SEFOIBLEBEAU TEMPSBELLE0000000138429
1786-10-15T12:0046.43-5.671139.3-22AU SEBON FRAISCOUVERTHOULEUSE0000000138430
1786-10-16T12:0045.83-5.7711012.3-22DU SE AU SE 1/4 EFRAISCOUVERTHOULEUSE0000000138431
1786-10-17T12:0047.42-5.0511012.3-22DU ESE AU SE 1/4 EFRAISBEAU TEMPSBELLE0000000138432
1786-10-18T12:0047.48-5.021139.3-22DU SEBON FRAISBEAU TEMPSMÁLE0000000138433
1786-10-19T12:0046.40-5.5411016.3-22DU ESE AU SE 1/4 ETRÉS GRAND FRAISTRÉS GROSSE0000000138434
1786-10-20T12:0045.40-5.849115.4-22DU ESEGRAND FRAISBEAU TEMPSTRÉS GROSSE0000000138435
1786-10-21T12:0046.60-6.479115.4-22DU ESEGRAND FRAISTRÉS GROSSE0000000138436
1786-10-22T12:0045.75-6.7013615.4-22DU SE 1/4 E AU SSEGRAND FRAISTRÉS BEAU CIELGROSSE0000000138437
1786-10-23T12:0045.30-6.701104.6-22DU ESE AU SE 1/4 EPETITE FRAIS ET CALMEBEAU TEMPSHOULEUSE0000000138438
1786-10-24T12:0045.43-6.201104.6-22DU SE AU SE 1/4 EPETITE FRAISBEAU TEMPSBELLE0000000138439
1786-10-25T12:0045.85-5.451164.6-22DU ESE AU SE 1/4 SPETITE FRAISBEAU TEMPSHOULEUSE0000000138440
1786-10-26T12:0046.57-4.791104.6-22DU ESE AU SE 1/4 EPETITE FRAISBEAU TEMPSHOULEUSE0000000138441
1786-10-27T12:0047.63-4.4410915.4-23DU SE AU SE 1/4 EGRAND FRAISGROSSE0000000138442
1786-10-28T00:001139.31DU ESEBON FRAIS0000000138443
1786-10-30T00:009012.31APAREILLÉAU EFRAIS0000000138444
1786-10-31T00:00451DU NEBEAU TEMPS0000000138445