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It is better to use one of the other forms of presenting date and time data so that the data can be used in computations and for comparisons. Note, if the string begins with numbers but also includes letters, there may be problems using the field name for retrieval.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"date_local","parameter_external_identifier":null,"parameter_short_description":"date_local","parameter_short_name":"date_local","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"650758","supplied_name":"time_local","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Etime at which measurements were recorded (hour:minutes)\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1007","parameter_description":"\u003Cp\u003Etime of day, local time, using 2400 clock format\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"time_local","parameter_external_identifier":null,"parameter_short_description":"time_local","parameter_short_name":"time_local","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"650759","supplied_name":"O2_consume","supplied_units":"micromoles per liter","value_format":null,"description":"\u003Cp\u003Eoxygen consumption\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1199","parameter_description":"\u003Cp\u003EOxygen; dissolved; reported in units of micromoles\/liter\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"O2_umol_L","parameter_external_identifier":null,"parameter_short_description":"dissolved Oxygen","parameter_short_name":"O2_umol_L","parameter_units":"micromoles\/liter","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"650760","supplied_name":"yrday_local","supplied_units":"decimal day","value_format":null,"description":"\u003Cp\u003Eday of the year including decimals; added by DMO\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1069","parameter_description":"\u003Cp\u003Elocal day and decimal time, as 326.5 for the 326th day of the year, or November 22 at 1200 hours (noon)\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"yrday_local ","parameter_external_identifier":null,"parameter_short_description":"day of year and decimal time (local time zone)","parameter_short_name":"yrday_local","parameter_units":null,"parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"650761","supplied_name":"ISO_DateTime_Local","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003Edate and time formatted to ISO 8601 standard; added by DMO. in the format\u00a0YYYY-mm-ddTHH:MM:SS.xx.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"1909","parameter_description":"\u003Cp\u003EDate\/Time (Local) ISO formatted\u003Cbr \/\u003E\nThis standard is based on ISO 8601:2004(E) and takes on any of the following forms:\u003Cbr \/\u003E\nYYYY-MM-DDTHH:MM:SS[.xx]\u003Cbr \/\u003E\n2009-08-30T09:05:00[.xx] (local time)\u003Cbr \/\u003E\n2009-08-30T14:05:00[.xx]Z (UTC time)\u003Cbr \/\u003E\n2009-08-30T14:05:00[.xx]-05:00\u003Cbr \/\u003E\nThe dashes and the colons can be dropped.\u003Cbr \/\u003E\nThe T can also be dropped \u0022by mutual agreement\u0022, but one needs the trailing Z if the time is UTC.\u003C\/p\u003E\n\u003Cp\u003E\u003Cstrong\u003ENote the Time Zone (TZ) as +\/-HH:MM\u003Cbr \/\u003E\nTime Zone signage is for conversion from local to UTC\u003Cbr \/\u003E\nWest Coast USA in summer is +7 (add 7 hrs to local time for UTC)\u003C\/strong\u003E\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"ISO_DateTime_Local","parameter_external_identifier":null,"parameter_short_description":"ISO_DateTime_Local","parameter_short_name":"ISO_DateTime_Local","parameter_units":"YYYY-MM-DDTHH:MM:SS[.xx][+\/-TZ]","parameter_units_external_identifier":null,"order":null,"types":[{"type":"Primary ISODateTime variable","dataset_parameter_type_nid":"769992","type_rankable":"0","type_tid":"148"}]}]