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)
03/09 00:00      0.00      9.28      5360     12.50     12.21
03/09 01:00      0.00      9.25      5251     13.50     12.20
03/09 02:00      0.00      9.26      5287     12.80     12.18
03/09 03:00      0.00      9.24      5214     12.90     12.17
03/09 04:00      0.00      9.20      5070     12.60     12.15
03/09 05:00      0.00      9.23      5178     12.50     12.14
03/09 06:00      0.00      9.21      5106     12.60     12.13
03/09 07:00      0.00      9.18      4999     12.90     12.11
03/09 08:00      0.00      9.15      4892     13.00     12.11
03/09 09:00      0.00      9.14      4857     14.50     12.17
03/09 10:00      0.00      9.14      4857     16.40     12.50
03/09 11:00      0.00      9.13      4822     18.70     12.67
03/09 12:00      0.00      9.13      4822     21.00     12.77
03/09 13:00      ----      ----      ----      ----      ----
03/09 14:00      ----      9.10      4718     24.60      ----
03/09 15:00      0.00      9.08      4649     26.10     12.80
03/09 16:00      0.00      9.08      4649     26.60     12.83
03/09 17:00      0.00      9.07      4614     27.10     12.84
03/09 18:00      0.00      9.05      4546     27.00     12.77
03/09 19:00      0.00      9.04      4512     26.10     12.63
03/09 20:00      0.00      9.03      4478     21.20     12.52
03/09 21:00      0.00      9.02      4444     20.90     12.47
03/09 22:00      0.00      9.01      4411     19.50     12.44
03/09 23:00      0.00      9.01      4411     17.80     12.42
Data processed at Tue 10Mar2026 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.