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filename: s4pt6_currentsMeanMaxPulseSpeedDirectionIn2019_43sites.csv
date: 2026-07-06 02:02:05.670225
description: mean and maximum (trimmed to 95%ile) current speeds and associated directions measured at VIRRS sites in Jan - Dec 2019. also includes the daily average current speed pulses, ie number of hourly changes that exceeded the 90th percentile of hourly speed increases between Jan 1- April 30 across all 50 sites. also includes the daily average directional change pulses, ie number of hourly changes that exceeded 90degrees between Jan 1- April 30 across all 50 sites. original zonal (u) and a meridional (v) values for mean and max included mostly for plotting.
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column names:
program site lat lon quantile95Speed quantile95SpeedDirection meanSpeed meanDirection sdSpeed sdDirection meanu meanv quantile95u quantile95v top_decile_mean speedpulses dirpulses

column: program
description: monitoring program
Data Type: character
Unique Values:
   TCRMP
   VINPS
   CSUN

column: site
description: survey site
Data Type: character
Unique Values:
   Black Point
   Botany Bay
   Brewers Bay
   Buck Island STT
   Buck Island STX
   BUIS-South Fore Reef
   BUIS-Western Spur and Groove
   Cane Bay
   Castle
   Coculus Rock
   College Shoal East
   Eagle Ray
   Fish Bay
   Flat Cay
   Grammanik Tiger FSA
   Great Pond
   Hind Bank East FSA
   Jacks Bay
   Kings Corner
   Lang Bank Red Hind FSA
   Magens Bay
   Meri Shoal
   Mutton Snapper FSA
   Salt River West
   Savana
   Seahorse Cottage Shoal
   South Capella
   South Water
   Sprat Hole
   St James
   VIIS-Haulover
   VIIS-Mennebeck
   VIIS-Newfound
   VIIS-Tektite
   VIIS-Yawzi
   Yawzi
   Tektite
   Cabritte Horn
   East Tektite
   Europa Bay
   Neptunes Table
   West Little Lameshur
   White Point

column: lat
description: latitude
Data Type: numeric
Mean: 18.1374870351163
Min: 17.6366
Max: 18.37425

column: lon
description: longitude
Data Type: numeric
Mean: -64.7950351409302
Min: -65.08205
Max: -64.44962964

column: quantile95Speed
description: maximum current speed (95%ile m/s?)
Data Type: numeric
Mean: 0.11556926952582
Min: 0.0281441396827161
Max: 0.437432693570226

column: quantile95SpeedDirection
description: direction (degrees) associated with 95%ile maximum current speed
Data Type: numeric
Mean: 183.973003286703
Min: 20.0377703928726
Max: 346.133054281103

column: meanSpeed
description: mean current speed (m/s?)
Data Type: numeric
Mean: 0.0250112720607528
Min: 0.000436805193211778
Max: 0.10656835846209

column: meanDirection
description: direction (degrees) associated with mean current speed
Data Type: numeric
Mean: 145.41022378522
Min: 20.2773007904092
Max: 321.546014872428

column: sdSpeed
description: sd current speed (m/s?) note sure if this makes sense?
Data Type: numeric
Mean: 0.0571049745489521
Min: 0.0128410679226269
Max: 0.192047223122624

column: sdDirection
description: direction (degrees) associated with sd current speed
Data Type: numeric
Mean: 51.3582402733565
Min: 11.2499517112436
Max: 82.2074551823531

column: meanu
description: mean zonal current
Data Type: numeric
Mean: -2.95717788596746e-05
Min: -0.0778135131518415
Max: 0.0634188615361362

column: meanv
description: mean meridional current
Data Type: numeric
Mean: -0.00538506487130344
Min: -0.106416454543184
Max: 0.0510107327507242

column: quantile95u
description: max zonal current
Data Type: numeric
Mean: -0.010273307744186
Min: -0.180102602
Max: 0.213979185

column: quantile95v
description: max meridional current
Data Type: numeric
Mean: -0.0237659730930233
Min: -0.43741405
Max: 0.191401765

column: top_decile_mean
description: average speed of top 10% quartile of speeds
Data Type: numeric
Mean: 0.120470909845814
Min: 0.0294327740026961
Max: 0.451848144528656

column: speedpulses
description: speed pulses: number of hourly changes that exceeded the 90th percentile of hourly speed increases across all days and sites, averaged per day
Data Type: numeric
Mean: 0.00675535966278367
Min: 1.54535545831621e-05
Max: 0.0268041904244947

column: dirpulses
description: directional pulses: number of hourly changes that exceeded 90degrees between Jan 1- April 30 across all 50 sites.
Data Type: numeric
Mean: 1.91218061638412
Min: 0.0667129951355108
Max: 7.71369006254343