M1 daily average data set documentation

This data set contains observations from MBARI OASIS mooring M1. 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/dailyAveragedM1.nc

and through the DODS html form mechanism:
http://dods.mbari.org/cgi-bin/nph-nc/data/OASISdata/netcdf/dailyAveragedM1.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/hourlyM1.nc).

For information on the individual deployments and instruments that contributed to this data set please see the M1 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 Mon Nov  3 12:42:57 2025.
!
! 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/hourlyM1.nc"
USE hourlyM1.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 19
!
LET AIR_PRESS_DAY = AIR_PRESS_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Air Pressure"/UNITS="mbar" AIR_PRESS_DAY
STAT AIR_PRESS_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" AIR_PRESS_DAY
CANCEL VAR AIR_PRESS_DAY 

!
! AIR_TEMPERATURE_HR: variable 2 of 19
!
LET AIR_TEMPERATURE_DAY = AIR_TEMPERATURE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg air_temperature"/UNITS="Celsius" AIR_TEMPERATURE_DAY
STAT AIR_TEMPERATURE_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" AIR_TEMPERATURE_DAY
CANCEL VAR AIR_TEMPERATURE_DAY 

!
! CONDUCTIVITY_HR: variable 3 of 19
!
LET CONDUCTIVITY_DAY = CONDUCTIVITY_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Conductivity"/UNITS="Siemens/m" CONDUCTIVITY_DAY
STAT CONDUCTIVITY_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" CONDUCTIVITY_DAY
CANCEL VAR CONDUCTIVITY_DAY 

!
! ECHO_INTENSITY_BEAM1_HR: variable 4 of 19
!
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="Counts" ECHO_INTENSITY_BEAM1_DAY
STAT ECHO_INTENSITY_BEAM1_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" ECHO_INTENSITY_BEAM1_DAY
CANCEL VAR ECHO_INTENSITY_BEAM1_DAY 

!
! ECHO_INTENSITY_BEAM2_HR: variable 5 of 19
!
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="Counts" ECHO_INTENSITY_BEAM2_DAY
STAT ECHO_INTENSITY_BEAM2_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" ECHO_INTENSITY_BEAM2_DAY
CANCEL VAR ECHO_INTENSITY_BEAM2_DAY 

!
! ECHO_INTENSITY_BEAM3_HR: variable 6 of 19
!
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="Counts" ECHO_INTENSITY_BEAM3_DAY
STAT ECHO_INTENSITY_BEAM3_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" ECHO_INTENSITY_BEAM3_DAY
CANCEL VAR ECHO_INTENSITY_BEAM3_DAY 

!
! ECHO_INTENSITY_BEAM4_HR: variable 7 of 19
!
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="Counts" ECHO_INTENSITY_BEAM4_DAY
STAT ECHO_INTENSITY_BEAM4_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" ECHO_INTENSITY_BEAM4_DAY
CANCEL VAR ECHO_INTENSITY_BEAM4_DAY 

!
! GPS_LATITUDE_HR: variable 8 of 19
!
LET GPS_LATITUDE_DAY = GPS_LATITUDE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Latitude"/UNITS="Degrees North" GPS_LATITUDE_DAY
STAT GPS_LATITUDE_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" GPS_LATITUDE_DAY
CANCEL VAR GPS_LATITUDE_DAY 

!
! GPS_LONGITUDE_HR: variable 9 of 19
!
LET GPS_LONGITUDE_DAY = GPS_LONGITUDE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Longitude"/UNITS="Degrees East" GPS_LONGITUDE_DAY
STAT GPS_LONGITUDE_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" GPS_LONGITUDE_DAY
CANCEL VAR GPS_LONGITUDE_DAY 

!
! PRESSURE_HR: variable 10 of 19
!
LET PRESSURE_DAY = PRESSURE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Pressure"/UNITS="dbar" PRESSURE_DAY
STAT PRESSURE_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" PRESSURE_DAY
CANCEL VAR PRESSURE_DAY 

!
! RELATIVE_HUMIDITY_HR: variable 11 of 19
!
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="dailyAveragedM1.nc" RELATIVE_HUMIDITY_DAY
CANCEL VAR RELATIVE_HUMIDITY_DAY 

!
! SALINITY_HR: variable 12 of 19
!
LET SALINITY_DAY = SALINITY_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Sea Water Salinity in-situ PSS 1978 scale"/UNITS=" " SALINITY_DAY
STAT SALINITY_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" SALINITY_DAY
CANCEL VAR SALINITY_DAY 

!
! TEMPERATURE_HR: variable 13 of 19
!
LET TEMPERATURE_DAY = TEMPERATURE_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg Temperature"/UNITS="Celsius" TEMPERATURE_DAY
STAT TEMPERATURE_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" TEMPERATURE_DAY
CANCEL VAR TEMPERATURE_DAY 

!
! U_COMPONENT_HR: variable 14 of 19
!
LET U_COMPONENT_DAY = U_COMPONENT_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg East-West Velocity Towards(+E/-W) True Mooring Motion corrected"/UNITS="cm/s" U_COMPONENT_DAY
STAT U_COMPONENT_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" U_COMPONENT_DAY
CANCEL VAR U_COMPONENT_DAY 

!
! U_COMPONENT_UNCORR_HR: variable 15 of 19
!
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 no mooring motion correction"/UNITS="cm/s" U_COMPONENT_UNCORR_DAY
STAT U_COMPONENT_UNCORR_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" U_COMPONENT_UNCORR_DAY
CANCEL VAR U_COMPONENT_UNCORR_DAY 

!
! V_COMPONENT_HR: variable 16 of 19
!
LET V_COMPONENT_DAY = V_COMPONENT_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg North-South Velocity Towards(+N/-S) True Mooring Motion corrected"/UNITS="cm/s" V_COMPONENT_DAY
STAT V_COMPONENT_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" V_COMPONENT_DAY
CANCEL VAR V_COMPONENT_DAY 

!
! V_COMPONENT_UNCORR_HR: variable 17 of 19
!
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 no mooring motion correction"/UNITS="cm/s" V_COMPONENT_UNCORR_DAY
STAT V_COMPONENT_UNCORR_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" V_COMPONENT_UNCORR_DAY
CANCEL VAR V_COMPONENT_UNCORR_DAY 

!
! WIND_U_COMPONENT_HR: variable 18 of 19
!
LET WIND_U_COMPONENT_DAY = WIND_U_COMPONENT_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg U Component of Wind Velocity"/UNITS="m/s (eastward)" WIND_U_COMPONENT_DAY
STAT WIND_U_COMPONENT_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" WIND_U_COMPONENT_DAY
CANCEL VAR WIND_U_COMPONENT_DAY 

!
! WIND_V_COMPONENT_HR: variable 19 of 19
!
LET WIND_V_COMPONENT_DAY = WIND_V_COMPONENT_HR[GT=TIME_DAY@AVE]
SET VAR/TITLE="Daily Avg V Component of Wind Velocity"/UNITS="m/s (northward)" WIND_V_COMPONENT_DAY
STAT WIND_V_COMPONENT_DAY
SAVE/APPEND/FILE="dailyAveragedM1.nc" WIND_V_COMPONENT_DAY
CANCEL VAR WIND_V_COMPONENT_DAY 
QUIT

The script's output (which contains variable statistics)

 
Daily Avg Air Pressure
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 4343
 Minimum value: 982.98
 Maximum value: 1033
 Mean    value: 1016.8 (unweighted average)
 Standard deviation: 4.3081
 LISTing to file dailyAveragedM1.nc
 
Daily Avg air_temperature
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 1280
 Minimum value: 3.3473
 Maximum value: 18.572
 Mean    value: 12.026 (unweighted average)
 Standard deviation: 2.0404
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Conductivity
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5 to 375
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 152772 (1*1*12*12731*1*1)
 # flagged as bad  data: 52730
 Minimum value: -3.1038
 Maximum value: 4.4875
 Mean    value: 3.7085 (unweighted average)
 Standard deviation: 0.26896
 LISTing to file dailyAveragedM1.nc
 
Daily Avg beam1 Echo Intensity data per beam
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 754268
 Minimum value: 25.32
 Maximum value: 233.68
 Mean    value: 130.87 (unweighted average)
 Standard deviation: 39.387
 LISTing to file dailyAveragedM1.nc
 
Daily Avg beam2 Echo Intensity data per beam
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 754268
 Minimum value: 30.148
 Maximum value: 229.44
 Mean    value: 132.72 (unweighted average)
 Standard deviation: 37.971
 LISTing to file dailyAveragedM1.nc
 
Daily Avg beam3 Echo Intensity data per beam
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 754268
 Minimum value: 27.674
 Maximum value: 233.84
 Mean    value: 133.83 (unweighted average)
 Standard deviation: 38.985
 LISTing to file dailyAveragedM1.nc
 
Daily Avg beam4 Echo Intensity data per beam
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 754268
 Minimum value: 23.68
 Maximum value: 226.53
 Mean    value: 131.75 (unweighted average)
 Standard deviation: 39.648
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Latitude
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (decibars): 1
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 7348
 Minimum value: 36.7356353
 Maximum value: 36.7635808
 Mean    value: 36.7494868 (unweighted average)
 Standard deviation: 0.0055966
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Longitude
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (decibars): 1
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 7348
 Minimum value: -122.042566
 Maximum value: -122.005825
 Mean    value: -122.024381 (unweighted average)
 Standard deviation: 0.0064998
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Pressure
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5 to 375
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 152772 (1*1*12*12731*1*1)
 # flagged as bad  data: 21352
 Minimum value: -39.871
 Maximum value: 427.44
 Mean    value: 109.47 (unweighted average)
 Standard deviation: 96.679
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Relative Humidity
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 3605
 Minimum value: 33.149
 Maximum value: 100
 Mean    value: 86.718 (unweighted average)
 Standard deviation: 9.5071
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Sea Water Salinity in-situ PSS 1978 scale
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5 to 375
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 152772 (1*1*12*12731*1*1)
 # flagged as bad  data: 53632
 Minimum value: -38.464
 Maximum value: 34.248
 Mean    value: 33.76 (unweighted average)
 Standard deviation: 0.3883
 LISTing to file dailyAveragedM1.nc
 
Daily Avg Temperature
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5 to 375
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 152772 (1*1*12*12731*1*1)
 # flagged as bad  data: 23708
 Minimum value: 6.658
 Maximum value: 18.709
 Mean    value: 10.342 (unweighted average)
 Standard deviation: 2.0113
 LISTing to file dailyAveragedM1.nc
 
Daily Avg East-West Velocity Towards(+E/-W) True Mooring Motion corrected
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 1183475
 Minimum value: -20.011
 Maximum value: 29.224
 Mean    value: 0.73358 (unweighted average)
 Standard deviation: 4.7958
 LISTing to file dailyAveragedM1.nc
 
Daily Avg East-West Velocity Towards(+E/-W) True no mooring motion correction
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 369034
 Minimum value: -26.167
 Maximum value: 29.247
 Mean    value: 1.0389 (unweighted average)
 Standard deviation: 4.196
 LISTing to file dailyAveragedM1.nc
 
Daily Avg North-South Velocity Towards(+N/-S) True Mooring Motion corrected
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 1183475
 Minimum value: -37.71
 Maximum value: 42.735
 Mean    value: 1.2843 (unweighted average)
 Standard deviation: 6.8374
 LISTing to file dailyAveragedM1.nc
 
Daily Avg North-South Velocity Towards(+N/-S) True no mooring motion correction
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): 2.5 to 502.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 1273100 (1*1*100*12731*1*1)
 # flagged as bad  data: 369034
 Minimum value: -43.203
 Maximum value: 42.776
 Mean    value: -0.77494 (unweighted average)
 Standard deviation: 5.3335
 LISTing to file dailyAveragedM1.nc
 
Daily Avg U Component of Wind Velocity
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 1214
 Minimum value: -10.402
 Maximum value: 14.239
 Mean    value: 1.9671 (unweighted average)
 Standard deviation: 2.8976
 LISTing to file dailyAveragedM1.nc
 
Daily Avg V Component of Wind Velocity
LONGITUDE: 122W
LATITUDE: 36.8N
DEPTH (m): -3.5
TIME: 20-AUG-1989 12:00 to 28-JUN-2024 12:00
E:  N/A
F:  N/A
DATA SET: ./hourlyM1.nc
 
 Total # of data points: 12731 (1*1*1*12731*1*1)
 # flagged as bad  data: 1214
 Minimum value: -13.69
 Maximum value: 13.688
 Mean    value: -1.3548 (unweighted average)
 Standard deviation: 3.0643
 LISTing to file dailyAveragedM1.nc


Generated: Mon Nov 3 12:42:57 2025 by /home/cvs/iag/mccann/las/toGriddedNetCDF/hourly2dailyaverage.pl,v 1.24 2014/05/15 15:21:37 mccann Exp