MLBK1: Marion Lake 

                                SHEF ID:       MLBK1     Marion Lake
STATION TYPE:  RESERVOIR
Flood Pool:  Bottom =  1350.50, Top =  1358.50

               PRECIP ELEVATION   STORAGE    INFLOW   RELEASE  AIR-TEMP  WIND-DIRWIND-SPEED REL-HUMID SOLAR-RAD   VOLTAGE  BAT-LOAD
                   in        ft     ac-ft       cfs       cfs         F       deg       mph         %      W/m2      volt      volt
              Ccp-Rev   Ccp-Rev   Ccp-Rev  Rev-Regi  Rev-Regi   Ccp-Rev   Ccp-Rev   Ccp-Rev   Ccp-Rev   Ccp-Rev   Ccp-Rev   Ccp-Rev
(America/Chicago)
03/31 00:00      0.00   1350.27     75349       244        99     74.70    183.90     19.00     51.00      0.00     13.15     12.50
03/31 01:00      0.00   1350.26     75284       258        99     74.23    189.60     20.50     51.06      0.00     13.15     12.48
03/31 02:00      0.00   1350.28     75414       271        99     73.06    191.40     20.80     52.48      0.00     13.15     12.48
03/31 03:00      0.00   1350.28     75414       451        99     71.46    191.80     16.60     55.40      0.00     13.15     12.48
03/31 04:00      0.00   1350.28     75414       461        99     70.45    193.90     16.30     57.19      0.00     13.15     12.48
03/31 05:00      0.00   1350.30     75543       228        99     68.45    198.40     12.30     61.04      0.00     13.10     12.48
03/31 06:00      0.00   1350.30     75543       223        99     67.50    199.40      8.30     61.16      0.00     13.16     12.48
03/31 07:00      0.00   1350.30     75543       571        99     66.81    190.30      7.90     60.79      0.00     13.16     12.48
03/31 08:00      0.00   1350.30     75543       403        99     67.35    202.30      8.10     58.86     30.80     13.15     12.49
03/31 09:00      0.00   1350.34     75802       405        99     68.74    226.00      9.50     57.22    205.90     13.16     12.48
03/31 10:00      0.00   1350.32     75672       394        99     64.26    334.40     10.00     71.15    389.80     13.16     12.48
03/31 11:00      0.00   1350.34     75802       385        99     62.89    354.00     16.70     60.32    576.90     13.16     12.57
03/31 12:00      0.00   1350.33     75737        37        99     61.81      0.80     17.50     55.98    603.00     13.16     12.48
03/31 13:00      0.00   1350.32     75672        37        99     61.52      3.30     17.10     54.50    890.40     13.11     12.48
03/31 14:00      0.00   1350.30     75543        25        99     64.08    359.90     14.40     51.91    863.10     13.16     12.55
03/31 15:00      0.00   1350.32     75672        37        99     66.85    353.00     12.50     48.60    870.90     13.11     12.48
03/31 16:00      0.00   1350.31     75608        49        99     68.47      0.30     12.20     45.04    736.10     13.16     12.47
03/31 17:00      0.00   1350.31     75608        49        99     69.57     15.30     11.60     43.86    364.50     13.11     12.47
03/31 18:00      0.00   1350.32     75672        49        99     69.82     19.30     13.40     43.92    163.20     13.16     12.77
03/31 19:00      0.00   1350.31     75608        64        99     68.76     27.70     17.40     39.02     93.20     13.15     12.57
03/31 20:00      0.00   1350.31     75608       334        99     66.52     33.30     15.70     39.51     11.30     13.16     12.58
03/31 21:00      0.00   1350.31     75608       336        99     65.07     27.70     12.60     42.02      0.00     13.11     12.58
03/31 22:00      0.00   1350.33     75737       874        99     63.45     31.30     17.00     40.15      0.00     13.16     12.60
03/31 23:00      ----      ----      ----      ----      ----      ----      ----      ----      ----      ----      ----      ----
Data processed at Wed 01Apr2026 04:07 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 
MARI.Precip-Inc.Total.1Hour.1Hour.Ccp-Rev
MARI.Elev.Inst.1Hour.0.Ccp-Rev
MARI.Stor.Inst.1Hour.0.Ccp-Rev
MARI.Flow-Res In.Ave.1Hour.1Hour.Rev-Regi-Computed
MARI.Flow-Res Out.Inst.1Hour.0.Rev-Regi-Flowgroup
MARI.Temp-Air.Inst.1Hour.0.Ccp-Rev
MARI.Dir-Wind.Inst.1Hour.0.Ccp-Rev
MARI.Speed-Wind.Inst.1Hour.0.Ccp-Rev
MARI.%-Humidity.Inst.1Hour.0.Ccp-Rev
MARI.Irrad.Inst.1Hour.0.Ccp-Rev
MARI.Volt-Battery.Inst.1Hour.0.Ccp-Rev
MARI.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.