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)
04/14 00:00      0.00      8.32      2397     22.90     12.42
04/14 01:00      0.00      8.31      2373     22.40     12.40
04/14 02:00      0.00      8.32      2397     22.10     12.37
04/14 03:00      0.00      8.35      2473     22.10     12.36
04/14 04:00      0.00      8.36      2499     22.00     12.34
04/14 05:00      0.00      8.39      2576     22.10     12.33
04/14 06:00      0.00      8.41      2628     21.70     12.31
04/14 07:00      0.00      8.43      2680     21.60     12.28
04/14 08:00      0.00      8.45      2733     22.40     12.28
04/14 09:00      0.00      8.47      2787     23.50     12.35
04/14 10:00      0.00      8.48      2814     24.20     12.70
04/14 11:00      0.00      8.49      2841     25.60     12.83
04/14 12:00      0.00      8.49      2841     27.10     12.94
04/14 13:00      0.00      8.49      2841     28.10     12.80
04/14 14:00      0.00      8.48      2814     28.70     12.77
04/14 15:00      0.00      8.48      2814     29.00     12.83
04/14 16:00      0.00      8.48      2814     28.30     12.83
04/14 17:00      0.00      8.46      2760     28.70     12.80
04/14 18:00      0.00      8.46      2760     27.30     12.78
04/14 19:00      0.00      8.44      2707     25.90     12.65
04/14 20:00      0.00      8.43      2680     24.20     12.57
04/14 21:00      0.00      8.43      2680     23.40     12.53
04/14 22:00      0.00      8.42      2654     22.80     12.51
04/14 23:00      0.00      8.42      2654     22.30     12.50
Data processed at Wed 15Apr2026 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.