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)
08/08 00:00      0.00      7.34       526     24.00     12.27
08/08 01:00      0.00      7.36       551     23.90     11.50
08/08 02:00      0.00      7.37       564     23.00     12.19
08/08 03:00      0.00      7.38       577     22.90     12.14
08/08 04:00      0.00      7.37       564     22.00     11.52
08/08 05:00      0.00      7.36       551     21.20     12.11
08/08 06:00      0.00      7.35       538     21.40     12.08
08/08 07:00      0.00      7.34       526     21.50     12.08
08/08 08:00      0.00      7.33       513     23.70     12.08
08/08 09:00      0.00      7.31       489     25.00     12.28
08/08 10:00      0.00      7.30       477     26.70     12.67
08/08 11:00      0.00      7.28       453     28.50     12.75
08/08 12:00      0.00      7.27       442     30.60     12.72
08/08 13:00      0.00      7.25       419     31.20     12.59
08/08 14:00      0.00      7.24       408     32.40     12.59
08/08 15:00      0.00      7.23       397     33.00     11.70
08/08 16:00      0.00      7.22       386     32.70     12.59
08/08 17:00      0.00      7.21       375     33.00     12.67
08/08 18:00      0.00      7.21       375     32.80     12.68
08/08 19:00      0.00      7.20       365     32.40     12.57
08/08 20:00      0.00      7.19       354     31.00     12.46
08/08 21:00      0.00      7.18       344     30.30     12.42
08/08 22:00      0.00      7.18       344     28.40     12.39
08/08 23:00      0.00      7.17       334     27.60     12.36
Data processed at Sun 09Aug2026 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.