IOLK1: Grand River, Iola 

                                SHEF ID:       IOLK1     NEOSHO RIVER NEAR IOLA
STATION TYPE:  
Regulating: Stage =    15.00, Flow =    18228

               PRECIP     STAGE  RIV-FLOW  AIR-TEMP  BAT-LOAD
                   in        ft       cfs         F      volt
              Ccp-Rev   Ccp-Rev   Ccp-Rev   Ccp-Rev   Ccp-Rev
(America/Chicago)
08/25 00:00      0.00      6.99       176     25.60     12.30
08/25 01:00      0.00      6.99       176     24.80     12.27
08/25 02:00      0.00      6.99       176     24.00     12.24
08/25 03:00      0.00      6.99       176     23.60     12.21
08/25 04:00      0.00      6.99       176     23.10     12.18
08/25 05:00      0.00      6.98       168     22.20     12.15
08/25 06:00      0.00      6.98       168     22.10     12.13
08/25 07:00      0.00      6.99       176     22.40     12.11
08/25 08:00      0.00      6.99       176     22.70     12.11
08/25 09:00      0.00      6.99       176     24.30     12.31
08/25 10:00      0.00      7.00       183     26.50     12.70
08/25 11:00      0.00      7.00       183     28.40     12.76
08/25 12:00      0.00      7.00       183     30.30     12.76
08/25 13:00      0.00      6.99       176     30.40     12.61
08/25 14:00      0.00      6.99       176     31.40     12.63
08/25 15:00      0.00      6.99       176     32.00     12.70
08/25 16:00      0.00      7.00       183     31.60     12.67
08/25 17:00      0.00      6.99       176     31.30     12.65
08/25 18:00      0.00      6.99       176     29.90     12.57
08/25 19:00      0.00      6.99       176     29.70     12.47
08/25 20:00      0.00      6.99       176     29.20     12.42
08/25 21:00      0.00      6.99       176     27.90     12.40
08/25 22:00      0.00      6.99       176     27.20     12.37
08/25 23:00      0.00      6.99       176     25.80     12.35
Data processed at Wed 26Aug2026 04:38 GMT

NOTICE: If you are parsing this page

Please convert to using our Data API. Starting early 2026 we will be migrating to: https://water.usace.army.mil with modern pages rendered in JavaScript. When this migration completes you will no longer be able to scrape this page! CWMSDataAPI (CDA)

Timeseries IDs (TSIDs)

TSIDs used from left to right in the data table 
IOLA.Precip-Inc.Total.1Hour.1Hour.Ccp-Rev
IOLA.Stage.Inst.1Hour.0.Ccp-Rev
IOLA.Flow.Inst.1Hour.0.Ccp-Rev
IOLA.Temp-Air.Inst.1Hour.0.Ccp-Rev
IOLA.Volt-Battery Load.Inst.1Hour.0.Ccp-Rev

All information presented herein is the property of the government of the United States of America and may be revised or deleted at any time without prior notice. Dissemination of this information without the expressed written consent of the Public Affairs Office, Tulsa District U.S. Army Corps of Engineers is strictly prohibited. These data are gathered electronically and, as presented, have NOT undergone any form of quality control. These data are NOT guaranteed to be valid or correct.