CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   THURSDAY  27 DEC 2018
                ______________________________________________________________
               |                    |                    |                    |
               |  BULL SHOALS       |  NORFORK           |   CALICO ROCK      |
               |  (tailwater, avg.) |  (tailwater, avg)  |   TEMP & FLOW      |
               |____________________|____________________|____________________|
               | D.O. | TEMP | REL  | D.O. | TEMP | REL  |  TEMP   |  FLOW    |
               |------|------|------|------|------|------|--------------------|
               | mg/l |deg F | cfs  | mg/l |deg F | cfs  |  deg F  |   cfs    |
               |--------------------|-------------|------|--------------------|
     26DEC 0600|  8.3 | 50.4 |   909| 10.7 | 49.3 |   301|  48.8   |    2845  |
     26DEC 1200|  9.0 | 50.5 |   900|  9.3 | 49.8 |   544|  48.8   |    2796  |
     26DEC 1800|  8.5 | 50.5 |   897| 10.6 | 49.7 |   300|  49.3   |    3198  |
     26DEC 2400|  8.2 | 50.6 |   906| 10.6 | 49.8 |   301|  50.0   |    3432  |
     27DEC 0600|  8.8 | 50.5 |  2177| 10.5 | 49.8 |   300|  50.5   |    2845  |
               |      |      |      |      |      |      |         |          |
         MAX   |  9.4 | 50.6 |      | 11.5 | 49.8 |      |   50.5  |          |
          time | 1400 | 1400 |      | 1100 | 1600 |      |   0600  |          |
          date |26DEC |26DEC |      |26DEC |26DEC |      |  27DEC  |          |
  release @ max|   894|   894|      |   116|   300|      |    2780 |          |
               |      |      |      |      |      |      |         |          |
         MIN   |  8.1 | 50.4 |      |  9.1 | 49.3 |      |   48.7  |          |
          time | 0200 | 0600 |      | 1400 | 0600 |      |   0800  |          |
          date |27DEC |26DEC |      |26DEC |26DEC |      |  26DEC  |          |
  release @ min|   903|   910|      |  3187|   301|      |    2845 |          |
  _____________|______|______|______|______|______|______|_________|__________|
 
  LAKE PROFILES
 
      BULL SHOALS 04Dec18       NORFORK 03Dec18
        elev = 655.20             elev = 553.10
      DEPTH  D.O.   TEMP        DEPTH  D.O.   TEMP
      feet   mg/l   deg F       feet   mg/l   deg F
      -----  -----  -----       -----  -----  -----
       1.0    8.20  53.67        1.0  7.40  54.05
      20.0    8.21  53.69       20.0  7.13  54.12
      30.0    8.20  53.73       40.0  7.15  54.12
      50.0    8.18  53.73       50.0  7.12  54.12
      60.0    8.20  53.73       60.0  7.13  54.14
      80.0    8.19  53.73       80.0  7.09  54.12
     100.0    8.17  53.73      100.0  7.12  54.09*
     120.0    8.22  53.73*     120.0  7.13  54.07
     140.0    7.60  53.56      140.0  0.56  53.17
     160.0    0.32  50.25      150.0  0.30  52.95
     176.0    0.33  49.28      159.0  0.31  52.39
 
     I.D.O. = 7.87 mg/l         I.D.O. = 6.89 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Norfork vents closed.
  Bull Shoals vents closed.