D2 CLIMATIC (Q)

<< Climatic data at Station A >>

YEAR: 1983-1985


                      Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec     Ann.
-------------------------------------------------------------------------------------------------------------------------------
Mean temp. [deg C]    2.5     3.5     7.6     14.9    19.6    22.5    27.7    27.7    24.2    17.4    11.0    5.3     15.3
Precipition [mm]       54      89     211     276     259     413     249     208     290     150      46      55    2,300


<< Sunshine >>

   140 hr monrh-1 (in summer)


<< Water temperature [deg C](Q) >>


Month     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
----------------------------------------------------------------------------------------------------------
Depth [m]
   0      6.4     7.4     10.4    14.9    18.8    19.6    23.1    25.5    25.0    18.5    13.8    9.0
   10     6.3     7.0     8.7     11.6    14.8    14.2    16.2    18.9    19.5    16.1    13.5    9.0
   20     6.2     6.3     7.0     9.6     7.5     6.4     13.4    15.0    7.9     15.5    8.9     7.5
   30     5.8     5.8     6.1     6.7     5.5     5.4     6.3     6.7     6.5     9.1     6.8     7.0
   40      -       -      6.0     6.0     5.5     5.3     6.1     6.3     6.5     6.7     6.8     7.0


<< Notes on water mixing and thermocline formation >>

Usually the thermocline is formed from May to Novermber, but not in 1982 owing to heavy floods.