/* DATA DESCRIPTION: Citation: García-Herrera, Ricardo; Können, Gunther P; Wheeler, Dennis A; Prieto, Maria del Rosario; Jones, Philip D; Koek, Frits B (2010): Meteorological observations during GRIFFIN cruise from Canton River to St. Helena started at 1750-01-28. British Library, London, United Kingdom, PANGAEA, https://doi.org/10.1594/PANGAEA.746936, 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). PANGAEA, https://doi.org/10.1594/PANGAEA.611088 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) (URI: https://en.wikipedia.org/wiki/CLIWOC) Funding: Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00090: Climatological Database for the Worlds Oceans: 1750-1854 (URI: https://cordis.europa.eu/project/id/EVK2-CT-2000-00090) Coverage: MEDIAN LATITUDE: -21.741750 * MEDIAN LONGITUDE: 51.791000 * SOUTH-BOUND LATITUDE: -35.030000 * WEST-BOUND LONGITUDE: -4.600000 * NORTH-BOUND LATITUDE: -10.580000 * EAST-BOUND LONGITUDE: 105.440000 Event(s): Griffin_17500128_BL_L/MAR/B/603A * LATITUDE START: -10.580000 * LONGITUDE START: 105.240000 * LATITUDE END: -15.890000 * LONGITUDE END: -5.750000 * CAMPAIGN: Cliwoc_cruise * METHOD/DEVICE: Underway cruise track measurements (CT) * COMMENT: Ship: Griffin, Start of voyage: 1750-02-08, End of voyage: 1750-04-13, Voyage: Canton River, China - St Helena, 1st Observer: Thomas Dethick (Author), Company: EIC Parameter(s): Date/time start (Date/time start) LATITUDE (Latitude) * GEOCODE LONGITUDE (Longitude) * GEOCODE Wind direction [deg] (dd) * COMMENT: Wind 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. Wind speed [m/s] (ff) * COMMENT: calculated from the descriptive terms of wind force given in the observations Landmark (Landmark) * COMMENT: Name of first landmark Bearing (Bearing) * COMMENT: Bearing of the first landmark Distance to landmark [arbitrary units] (Distance) * COMMENT: Distance to the first landmark Course (Course) * COMMENT: Course of the ship during the past 24 hours Distance [arbitrary units] (Distance) * COMMENT: Distance travelled during the previous 24 hours Declination [deg] (Decl) * COMMENT: It 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. Wind direction description (Wind dir descr) * COMMENT: All reported wind directions on this day. The wind direction is the direction that points to where the wind comes from. Wind force description (Wind force descr) * COMMENT: All reported wind forces on this day Present weather (ww) * COMMENT: Weather description Precipitation description (Precip descr) State of the sea description (State sea descr) Clearness (Clearness) Gusts (Gusts) * COMMENT: 1 If wind gusts are reported Precipitation/Rain (Rain) * COMMENT: 1 If rain was reported Fog (Fog) * COMMENT: 1 If fog was reported Snow type (Snow) * COMMENT: 1 If snow was reported Thunder (Thunder) * COMMENT: 1 If thunder and or lightning was reported Hail (Hail) * COMMENT: 1 If hail was reported Sea ice (Sea ice) * COMMENT: 1 If sea-ice or icebergs were reported Identification (ID) * COMMENT: CLIWOC 2.1 line number License: Creative Commons Attribution 3.0 Unported (CC-BY-3.0) (URI: https://creativecommons.org/licenses/by/3.0/) Size: 701 data points */ Date/time start Latitude Longitude dd [deg] (Wind direction (from which th...) ff [m/s] (calculated from the descripti...) Landmark (Name of first landmark) Bearing (Bearing of the first landmark) Distance [arbitrary units] (Distance to the first landmark) Course (Course of the ship during the...) Distance [arbitrary units] (Distance travelled during the...) Decl [deg] (It is generally accepted by t...) Wind dir descr (All reported wind directions ...) Wind force descr (All reported wind forces on t...) ww (Weather description) Precip descr State sea descr Clearness Gusts (1 If wind gusts are reported) Rain (1 If rain was reported) Fog (1 If fog was reported) Snow (1 If snow was reported) Thunder (1 If thunder and or lightning...) Hail (1 If hail was reported) Sea ice (1 If sea-ice or icebergs were...) ID (CLIWOC 2.1 line number) 1750-02-08T05:00 -10.58 105.24 256 CHRISTMAS ISLAND WNE (!) 9 EBN TO S TO SBW 77.00 -3 WSW, SW, W, WBS SQUALLY UNSETTLED WEATHER WITH VARIABLE WINDS CONFUSED SEA 0 0 0 0 0 0 0 105568 1750-02-09T05:00 -11.57 105.44 222 S1/2E TO SBE TO 64.00 -3 WSW, WBS, NW, WSW, SW VARIABLE WINDS VERY UNSETTLED WEATHER RAIN 0 1 0 0 0 0 0 105569 1750-02-10T05:00 -11.88 105.09 211 SEBE TO WSW TO 37.00 -3 SBW, SSE, SE, S, SWBS MIDDLE A GREAT DEAL OF RAIN FIRST AND LATTER PARTS FAIR 0 1 0 0 0 0 0 105570 1750-02-11T05:00 -12.18 105.14 200 1.0 SSE TO SE TO WB 28.00 -3 SW, SWBS, S, NNE, SSW LIGHT AIRS WITH CALMS RAIN SOUTHERLY SWELL 0 1 0 0 0 0 0 105571 1750-02-12T05:00 -12.58 104.83 109 2.6 SW TO SE 33.00 -4 E, SE, ESE MIDDLE AND LATTER LIGHT WINDS AND CALMS FIRST PART RAIN FIRST PART HAZY MIDDLE AND LATTER FAIR 0 1 0 0 0 0 0 105572 1750-02-13T05:00 -12.88 104.66 289 1.0 SBE TO SWBS 20.00 -4 SWBW, WSW, NWBW, WNW LIGHT AIRS AND CALMS SE SWELL FAIR 0 0 0 0 0 0 0 105573 1750-02-14T05:00 -13.25 104.83 221 1.0 SBE TO SSE 25.00 -4 SWBW, SW, SWBS, SW LIGHT AIRS AND CALMS FAIR 0 0 0 0 0 0 0 105574 1750-02-15T05:00 -13.33 104.83 232 1.0 SSE1/2E TO SBE 25.00 -4 SW, SWBS, SBW, S, SWBW LIGHT AIRS AND CALMS FAIR 0 0 0 0 0 0 0 105575 1750-02-16T05:00 -13.57 104.14 187 15.4 SBE TO WBS 62.00 -4 SWBW, SBE, S, SBW PLEASANT WEATHER WITH LIGHT WINDS THE FIRST AND LATTER PARTS, MIDDLE AND LATTER MODERATE GALE 0 0 0 0 0 0 0 105576 1750-02-17T05:00 -13.70 103.46 154 15.4 W TO SWBW 44.00 -4 SSW, SBW, SE, SBE, SSE LIGHT WINDS AND CALMS THE FIRST AND MIDDLE PARTS, LATTER A MODERATE GALE LATTER CLOUDY 0 0 0 0 0 0 0 105577 1750-03-01T07:00 -20.37 74.66 62 19.0 WBS 155.00 -6 EBS, EBN, ENE FRESH GALE - SQUALLY AT 2AM RAIN AT 3 PM AND AT 3AM CLOUDY AT 1PM, HAZY 0 1 0 0 0 0 0 105578 1750-03-02T07:00 -21.20 72.08 48 19.0 WBS 172.00 -8 EBN, ENE, NEBE A FRESH GALE HAZY 0 0 0 0 0 0 0 105579 1750-03-03T07:00 -22.08 69.31 26 WBS 164.00 -8 NEBE, EBN, NEBE, NEBN SQUALLY WITH A FRESH GALE A GREAT DEAL OF RAIN 0 1 0 0 0 0 0 105580 1750-03-04T08:00 -23.22 67.31 312 WBS TO SW 129.00 -14 NNW, N, NBW, NWBN HARD SQUALLS VARIABLE WINDS RAIN AT 1PM AND 2 AM CONFUSED SEA CLOUDY 0 1 0 0 0 0 0 105581 1750-03-05T08:00 -24.15 67.13 279 SW TO SW1/2W 57.00 -14 WNW, W, WBS, W, WNW SQUALLY THE FIRST PART, MIDDLE AND LATTER VARIABLE WINDS SW SWELL MIDDLE AND LATTER FAIR 0 0 0 0 0 0 0 105582 1750-03-06T08:00 -24.38 66.96 335 1.0 SW TO W 18.00 -14 WNW, NWBW, W, NBW LIGHT AIRS AND CALMS SW SWELL FIRST PART HAZY, THEN FAIR 0 0 0 0 0 0 0 105583 1750-03-07T08:00 -25.07 64.91 346 W 116.00 -14 NNW, NBW, N PART SQUALLY WITH A FRESH GALE RAIN AT 11PM LARGE WESTERLY SWELL FAIR 0 1 0 0 0 0 0 105584 1750-03-08T08:00 -25.83 63.16 256 2.6 W TO SSW 116.00 -14 NBE, N, WNW, W SQUALLY THE FIRST AND MIDDLE PARTS WITH A FRESH GALE, LATTER LIGHT WINDS RAIN AT 5AM FAIR 0 1 0 0 0 0 0 105585 1750-03-09T08:00 -25.82 62.34 119 2.6 N TO W 47.00 -16 WNW, SSW, SSE, SE LIGHT WINDS AND CALMS SW SWELL 0 0 0 0 0 0 0 105586 1750-03-10T08:00 -26.68 59.84 130 19.0 WBS 150.00 -16 SSE, SEBS PLEASANT WEATHER WITH A FRESH GALE SW SWELL 0 0 0 0 0 0 0 105587 1750-03-11T08:00 -28.43 56.93 125 WSW 187.00 -21 SEBS, SSE, SE, SEBS SQUALLS SW SWELL CLOUDY 0 0 0 0 0 0 0 105588 1750-03-12T08:00 -29.40 53.84 47 19.0 W 170.00 -21 ESE, E, EBN, ENE FRESH GALE RAIN AT MIDNIGHT HAZY 0 1 0 0 0 0 0 105589 1750-03-13T09:00 -30.22 50.81 225 2.6 W TO NW 153.00 -23 NEBE, NNE, NW, WNW, WSW MIDDLE HARD SQUALLS, LATTER LIGHT WINDS MIDDLE LIGHTNING MIDDLE RAIN FIRST PART HAZY, LATTER FAIR 0 1 0 0 1 0 0 105590 1750-03-14T09:00 -30.20 48.98 168 15.4 NW1/2N TO W 97.00 -23 WSW, SWBS, SSW, SBW MODERATE GALE SW SWELL CLOUDY 0 0 0 0 0 0 0 105591 1750-03-15T09:00 -31.07 45.94 111 19.0 W 152.00 -24 SBW, S, SSE, SE FRESH GALE SMOOTH WATER CLOUDY 0 0 0 0 0 0 0 105592 1750-03-30T11:00 -35.03 17.57 251 9.3 WNW TO NNW1/2W 110.00 -19 ESE, E, N, W, W LATTER A PLEASANT GALE LATTER FOGGY FIRST AND MIDDLE PARTS FAIR 0 0 1 0 0 0 0 105593 1750-03-31T11:00 -34.20 16.84 253 NNW TO N1/2W 56.00 -17 W, WSW, SWBS, S, NWBW, W VARIABLE WINDS SMOOTH WATER MOSTLY HAZY 0 0 0 0 0 0 0 105594 1750-04-01T11:00 -32.28 14.94 197 NBW TO NWBN 146.00 -17 WBN, WBS, SW, SWBS MIDDLE SQUALLY WITH A FRESH GALE LARGE SW SWELL FIRST AND LATTER PARTS FAIR 0 0 0 0 0 0 0 105595 1750-04-02T11:00 -30.40 12.60 118 19.0 NWBN 164.00 -17 SSW, SBE, SEBS, SE FRESH GALE VERY LARGE SW SWELL CLOUDY 0 0 0 0 0 0 0 105596 1750-04-03T11:00 -28.27 10.77 143 19.0 NNW 156.00 -15 SE, SEBS, SSE A FRESH GALE SWELL MUCH DOWN CLOUDY 0 0 0 0 0 0 0 105597 1750-04-04T11:00 -26.33 9.14 153 12.3 NNW 149.00 -16 SSE, SBE A STEADY GALE SMOOTH WATER FIRST PART HAZY, LATTER FAIR 0 0 0 0 0 0 0 105598 1750-04-05T11:00 -24.75 7.79 130 9.3 NNW 124.00 -16 SSE, SEBS PLEASANT GALE FIRST AND LATTER PARTS FAIR, MIDDLE CLOUDY 0 0 0 0 0 0 0 105599 1750-04-06T12:00 -22.85 6.35 132 12.3 NNW 138.00 -14 SSE, SEBS A STEADY TRADE PLEASANT WEATHER 0 0 0 0 0 0 0 105600 1750-04-07T12:00 -21.03 4.94 144 12.3 NNW 135.00 -14 SEBS, SSE A STEADY TRADE PLEASANT WEATHER 0 0 0 0 0 0 0 105601 1750-04-08T12:00 -19.23 3.59 132 19.0 NNW 132.00 -14 SSE, SEBS A FRESH GALE SMOOTH WATER MOSTLY HAZY 0 0 0 0 0 0 0 105602 1750-04-09T12:00 -17.50 2.32 112 15.4 NNW 125.00 -12 SEBS, SE, SEBE MODERATE GALE SMOOTH WATER CLOUDY 0 0 0 0 0 0 0 105603 1750-04-10T12:00 -16.00 1.29 122 15.4 NNW 103.00 -13 SEBS, ESE, SE MODERATE GALE SMALL RAIN AT 5 AM SMOOTH WATER 0 1 1 0 0 0 0 105604 1750-04-11T12:00 -15.93 -0.95 145 WBN 129.00 -13 SSE, SEBS, SE, EBS, SSE VARIABLE WINDS CLOUDY 0 0 1 0 0 0 0 105605 1750-04-12T12:00 -15.93 -2.81 124 19.0 W TO WBN 102.00 -11 SE, SEBS, SSE, SE LATTER FRESH GALE FIRST AND MIDDLE PARTS CLOUDY, LATTER FAIR 0 0 0 0 0 0 0 105606 1750-04-13T12:00 -16.30 -4.60 124 15.4 ST HELENA W1/2N 15 W TO WBN -11 SBE, SSE, SE MODERATE GALE PLEASANT WEATHER FAIR 0 0 0 0 0 0 0 105607