M4 daily average data set documentation

This data set contains observations from MBARI OASIS mooring M4. Each variable has been gridded to a common daily time axes after averaging the hourly data with a block average of 24 hour period bounded on the year-day boundaries

The data in this data set are available via DODS at
http://dods.mbari.org/cgi-bin/nph-nc/data/OASISdata/netcdf/dailyAveragedM4.nc

and through the DODS html form mechanism:
http://dods.mbari.org/cgi-bin/nph-nc/data/OASISdata/netcdf/dailyAveragedM4.nc.html

Below is the Ferret script (and following is the output) that produced this file from the original hourly data set (which is also available via DODS and on this Live Access Server at http://dods.mbari.org/cgi-bin/nph-nc/data/OASISdata/netcdf/hourlyM4.nc).

For information on the individual deployments and instruments that contributed to this data set please see the M4 hourly data set documentation.

Summary plots of all the variables in this data set


The Ferret commands that produced this daily averaged file

! Description: Create daily averaged OASIS data file from hourly gridded data
! Automatically generated by ./hourly2dailyaverage.pl on Thu Jul 10 23:31:26 2008.
!
! Average all the data within a GMT year-day to be consistent with data
! processing done on similar data.
! 
! All data sets have AIR_TEMPERATURE_HR variable.  Use it to get axis time limits
! Regrid from 1 hour to 1 day to reduce # file size and number of points
!

!
! Original hourly data file, Use air_temp to define new grid
!
!USE "http://dods.mbari.org/cgi-bin/nph-nc/data/OASISdata/netcdf/hourlyM4.nc"
USE hourlyM4.nc
DEFINE SYMBOL TBEG="`AIR_TEMPERATURE_HR,return=tstart`"
DEFINE SYMBOL TEND="`AIR_TEMPERATURE_HR,return=tend`"
DEFINE AXIS/T=($TBEG):($TEND):1/unit=day TIME_DAY


!
! AIR_PRESS_HR: variable 1 of 17
!
LET AIR_PRESS_DAY = AIR_PRESS_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Air Pressure"/UNITS="" AIR_PRESS_DAY
STAT AIR_PRESS_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" AIR_PRESS_DAY
CANCEL VAR AIR_PRESS_DAY 

!
! AIR_TEMPERATURE_HR: variable 2 of 17
!
LET AIR_TEMPERATURE_DAY = AIR_TEMPERATURE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg air_temperature"/UNITS="" AIR_TEMPERATURE_DAY
STAT AIR_TEMPERATURE_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" AIR_TEMPERATURE_DAY
CANCEL VAR AIR_TEMPERATURE_DAY 

!
! CONDUCTIVITY_HR: variable 3 of 17
!
LET CONDUCTIVITY_DAY = CONDUCTIVITY_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Conductivity"/UNITS="" CONDUCTIVITY_DAY
STAT CONDUCTIVITY_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" CONDUCTIVITY_DAY
CANCEL VAR CONDUCTIVITY_DAY 

!
! ECHO_INTENSITY_BEAM1_HR: variable 4 of 17
!
LET ECHO_INTENSITY_BEAM1_DAY = ECHO_INTENSITY_BEAM1_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg beam1 Echo Intensity data per beam"/UNITS="" ECHO_INTENSITY_BEAM1_DAY
STAT ECHO_INTENSITY_BEAM1_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" ECHO_INTENSITY_BEAM1_DAY
CANCEL VAR ECHO_INTENSITY_BEAM1_DAY 

!
! ECHO_INTENSITY_BEAM2_HR: variable 5 of 17
!
LET ECHO_INTENSITY_BEAM2_DAY = ECHO_INTENSITY_BEAM2_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg beam2 Echo Intensity data per beam"/UNITS="" ECHO_INTENSITY_BEAM2_DAY
STAT ECHO_INTENSITY_BEAM2_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" ECHO_INTENSITY_BEAM2_DAY
CANCEL VAR ECHO_INTENSITY_BEAM2_DAY 

!
! ECHO_INTENSITY_BEAM3_HR: variable 6 of 17
!
LET ECHO_INTENSITY_BEAM3_DAY = ECHO_INTENSITY_BEAM3_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg beam3 Echo Intensity data per beam"/UNITS="" ECHO_INTENSITY_BEAM3_DAY
STAT ECHO_INTENSITY_BEAM3_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" ECHO_INTENSITY_BEAM3_DAY
CANCEL VAR ECHO_INTENSITY_BEAM3_DAY 

!
! ECHO_INTENSITY_BEAM4_HR: variable 7 of 17
!
LET ECHO_INTENSITY_BEAM4_DAY = ECHO_INTENSITY_BEAM4_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg beam4 Echo Intensity data per beam"/UNITS="" ECHO_INTENSITY_BEAM4_DAY
STAT ECHO_INTENSITY_BEAM4_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" ECHO_INTENSITY_BEAM4_DAY
CANCEL VAR ECHO_INTENSITY_BEAM4_DAY 

!
! GPS_LATITUDE_HR: variable 8 of 17
!
LET GPS_LATITUDE_DAY = GPS_LATITUDE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Latitude"/UNITS="" GPS_LATITUDE_DAY
STAT GPS_LATITUDE_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" GPS_LATITUDE_DAY
CANCEL VAR GPS_LATITUDE_DAY 

!
! GPS_LONGITUDE_HR: variable 9 of 17
!
LET GPS_LONGITUDE_DAY = GPS_LONGITUDE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Longitude"/UNITS="" GPS_LONGITUDE_DAY
STAT GPS_LONGITUDE_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" GPS_LONGITUDE_DAY
CANCEL VAR GPS_LONGITUDE_DAY 

!
! PRESSURE_HR: variable 10 of 17
!
LET PRESSURE_DAY = PRESSURE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Pressure"/UNITS="" PRESSURE_DAY
STAT PRESSURE_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" PRESSURE_DAY
CANCEL VAR PRESSURE_DAY 

!
! RELATIVE_HUMIDITY_HR: variable 11 of 17
!
LET RELATIVE_HUMIDITY_DAY = RELATIVE_HUMIDITY_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Relative Humidity"/UNITS="" RELATIVE_HUMIDITY_DAY
STAT RELATIVE_HUMIDITY_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" RELATIVE_HUMIDITY_DAY
CANCEL VAR RELATIVE_HUMIDITY_DAY 

!
! SALINITY_HR: variable 12 of 17
!
LET SALINITY_DAY = SALINITY_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Salinity"/UNITS="" SALINITY_DAY
STAT SALINITY_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" SALINITY_DAY
CANCEL VAR SALINITY_DAY 

!
! TEMPERATURE_HR: variable 13 of 17
!
LET TEMPERATURE_DAY = TEMPERATURE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Temperature"/UNITS="" TEMPERATURE_DAY
STAT TEMPERATURE_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" TEMPERATURE_DAY
CANCEL VAR TEMPERATURE_DAY 

!
! U_COMPONENT_UNCORR_HR: variable 14 of 17
!
LET U_COMPONENT_UNCORR_DAY = U_COMPONENT_UNCORR_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg East-West Velocity Towards(+E/-W) True"/UNITS="" U_COMPONENT_UNCORR_DAY
STAT U_COMPONENT_UNCORR_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" U_COMPONENT_UNCORR_DAY
CANCEL VAR U_COMPONENT_UNCORR_DAY 

!
! V_COMPONENT_UNCORR_HR: variable 15 of 17
!
LET V_COMPONENT_UNCORR_DAY = V_COMPONENT_UNCORR_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg North-South Velocity Towards(+N/-S) True"/UNITS="" V_COMPONENT_UNCORR_DAY
STAT V_COMPONENT_UNCORR_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" V_COMPONENT_UNCORR_DAY
CANCEL VAR V_COMPONENT_UNCORR_DAY 

!
! WIND_U_COMPONENT_HR: variable 16 of 17
!
LET WIND_U_COMPONENT_DAY = WIND_U_COMPONENT_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg U Component of Wind Velocity"/UNITS="" WIND_U_COMPONENT_DAY
STAT WIND_U_COMPONENT_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" WIND_U_COMPONENT_DAY
CANCEL VAR WIND_U_COMPONENT_DAY 

!
! WIND_V_COMPONENT_HR: variable 17 of 17
!
LET WIND_V_COMPONENT_DAY = WIND_V_COMPONENT_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg V Component of Wind Velocity"/UNITS="" WIND_V_COMPONENT_DAY
STAT WIND_V_COMPONENT_DAY
SAVE/APPEND/FILE="dailyAveragedM4.nc" WIND_V_COMPONENT_DAY
CANCEL VAR WIND_V_COMPONENT_DAY 
QUIT

The script's output (which contains variable statistics)

 *** NOTE: netCDF bounds variable definition error
 *** NOTE: Bounds definition "LONGITUDE_MET_HR_bnds" points to no existing axis
 *** NOTE: Ignoring BOUNDS attribute
 *** NOTE: netCDF bounds variable definition error
 *** NOTE: Bounds definition "LATITUDE_MET_HR_bnds" points to no existing axis
 *** NOTE: Ignoring BOUNDS attribute
 *** NOTE: netCDF bounds variable definition error
 *** NOTE: Bounds definition "DEPTH_MET_HR_bnds" points to no existing axis
 *** NOTE: Ignoring BOUNDS attribute
 
Daily Avg Air Pressure
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 1
 Minimum value: 1001.7
 Maximum value: 1030.4
 Mean    value: 1017.8 (unweighted average)
 Standard deviation: 4.326
 LISTing to file dailyAveragedM4.nc
 
Daily Avg air_temperature
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 1
 Minimum value: 9.5339
 Maximum value: 16.249
 Mean    value: 12.739 (unweighted average)
 Standard deviation: 1.2545
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Conductivity
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5 to 375
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 4584 (1*1*12*382)
 # flagged as bad  data: 12
 Minimum value: 3.3544
 Maximum value: 4.264
 Mean    value: 3.6934 (unweighted average)
 Standard deviation: 0.1914
 LISTing to file dailyAveragedM4.nc
 
Daily Avg beam1 Echo Intensity data per beam
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): 2.5 to 502.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 38200 (1*1*100*382)
 # flagged as bad  data: 31944
 Minimum value: 40.412
 Maximum value: 161.87
 Mean    value: 78.980 (unweighted average)
 Standard deviation: 33.717
 LISTing to file dailyAveragedM4.nc
 
Daily Avg beam2 Echo Intensity data per beam
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): 2.5 to 502.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 38200 (1*1*100*382)
 # flagged as bad  data: 31944
 Minimum value: 40.254
 Maximum value: 173.07
 Mean    value: 80.781 (unweighted average)
 Standard deviation: 36.203
 LISTing to file dailyAveragedM4.nc
 
Daily Avg beam3 Echo Intensity data per beam
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): 2.5 to 502.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 38200 (1*1*100*382)
 # flagged as bad  data: 31944
 Minimum value: 43.088
 Maximum value: 171.86
 Mean    value: 83.722 (unweighted average)
 Standard deviation: 35.539
 LISTing to file dailyAveragedM4.nc
 
Daily Avg beam4 Echo Intensity data per beam
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): 2.5 to 502.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 38200 (1*1*100*382)
 # flagged as bad  data: 31944
 Minimum value: 42.08
 Maximum value: 170.21
 Mean    value: 81.764 (unweighted average)
 Standard deviation: 35.385
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Latitude
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (decibars): 5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 382
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Longitude
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (decibars): 5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 382
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Pressure
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5 to 375
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 4584 (1*1*12*382)
 # flagged as bad  data: 12
 Minimum value: 0.55888
 Maximum value: 346.79
 Mean    value: 130.14 (unweighted average)
 Standard deviation: 111.6
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Relative Humidity
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 1
 Minimum value: 68.176
 Maximum value: 99.502
 Mean    value: 89.297 (unweighted average)
 Standard deviation: 6.6401
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Salinity
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5 to 375
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 4584 (1*1*12*382)
 # flagged as bad  data: 12
 Minimum value: 33.001
 Maximum value: 34.209
 Mean    value: 33.759 (unweighted average)
 Standard deviation: 0.31616
 LISTing to file dailyAveragedM4.nc
 
Daily Avg Temperature
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5 to 375
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 4584 (1*1*12*382)
 # flagged as bad  data: 12
 Minimum value: 5.9166
 Maximum value: 16.894
 Mean    value: 9.9993 (unweighted average)
 Standard deviation: 2.4228
 LISTing to file dailyAveragedM4.nc
 
Daily Avg East-West Velocity Towards(+E/-W) True
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): 2.5 to 502.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 38200 (1*1*100*382)
 # flagged as bad  data: 32460
 Minimum value: -31.734
 Maximum value: 34.923
 Mean    value: -3.1025 (unweighted average)
 Standard deviation: 10.275
 LISTing to file dailyAveragedM4.nc
 
Daily Avg North-South Velocity Towards(+N/-S) True
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): 2.5 to 502.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 38200 (1*1*100*382)
 # flagged as bad  data: 32460
 Minimum value: -31.386
 Maximum value: 23.166
 Mean    value: -0.96157 (unweighted average)
 Standard deviation: 8.6531
 LISTing to file dailyAveragedM4.nc
 
Daily Avg U Component of Wind Velocity
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 1
 Minimum value: -6.6111
 Maximum value: 11.26
 Mean    value: 3.6313 (unweighted average)
 Standard deviation: 3.4097
 LISTing to file dailyAveragedM4.nc
 
Daily Avg V Component of Wind Velocity
LONGITUDE: 122.4W
LATITUDE: 36.2N
DEPTH (m): -3.5
TIME: 23-AUG-1999 12:00 to 08-SEP-2000 12:00
DATA SET: ./hourlyM4.nc
 
 Total # of data points: 382 (1*1*1*382)
 # flagged as bad  data: 1
 Minimum value: -9.8867
 Maximum value: 8.5458
 Mean    value: -2.3525 (unweighted average)
 Standard deviation: 4.0746
 LISTing to file dailyAveragedM4.nc


Generated: Thu Jul 10 23:31:26 2008 by /home/cvs/iag/mccann/las/toGriddedNetCDF/hourly2dailyaverage.pl,v 1.22 2005/06/10 23:31:35 mccann Exp