0 0 OPERATIONAL
1 1 POSSIBLE CLOGGING PROBLEM OR OTHERWISE DEGRADED WATER LEVELDATA
2 2 POSSIBLE DATUM SHIFT
3 3 UNKNOWN STATUS OF WATER LEVEL SENSOR
4 4 SUSPECTED OR KNOWN SEA TEMPERATURE SENSOR PROBLEM
5 5 MULTIPLE POSSIBLE PROBLEMS (ABOVE)
6 6 BAD DATA - DO NOT DISSEMINATE!
7 7 NO MANUAL WATER LEVEL CHECKS PERFORMED
31 31 MISSING VALUE
