STATE OF NEBRASKA

NATURAL RESOURCES COMMISSION

DATA BANK

PEAK DISCHARGE QUALIFICATION CODES:

1 - Discharge is a maximum daily average
2 - Discharge is an estimate
3 - Discharge is affected by dam failure
4 - Discharge less than indicated value which is minimum recordable discharge at this site
5 - Discharge affected to unknown degree by regulation or diversion
6 - Discharge affected by regulation or diversion
7 - Discharge is an historic peak
8 - Discharge actually greater than indicated value
9 - Discharge due to snowmelt, hurricane, ice-jam or debris dam breakup
A - Year of occurence is unknown or not exact
B - Month or Day of occurence is unknown or not exact
C - All or part of the record affected by urbanization, mining, agricultural
    changes , channelisation or others
D - Base Discharge changed during this year
E - Only annual maximm peak available for this year


GAGE HEIGHT QUALIFICATION CODES:

1 - Gage height affected by back water
2 - Gage height not the maximum for the year
3 - Gage height at different site and/or datum
4 - Gage height below the minimum recordable elevation
5 - Gage height is an estimate
6 - Gage datum changed during this year


MAXIMUM GAGE HEIGHT QUALIFICATION CODES:

1 - Gage height affected by backwater
3 - Gage height at different site and/or datum
5 - Gage height is an estimate
6 - Gage datum changed during this year
blank - Not used


Note
1. Base discharge, if reported, may not be effective for entire period
   of record. Current value is used.
2. Gage Datum, if reported, may not be effective for entire period of
   record. Current value used.
3. CFS stands for cubic feet per seconod.
4. NGVD stands for National Geodetic Vertical Datum of 1929 formerly called
   "See Level Datum of 1929" or Mean See Level.
5. SQ MI stands for square Miles.