D2 CLIMATIC

<< Climatic data at Suwa >>

YEAR: 1951-1980 (2, 3)

                    Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec     Ann.
--------------------------------------------------------------------------------------------------------------------------
Mean temp.[deg C]  -2.0    -1.2    2.6     9.3     14.3    18.3    22.2    22.9    18.6    12.1    6.4     1.3     10.4
Precipition [mm]    47      55      84     120     117     205     219     141     179     112      67      41    1,386


<< Number of hours of bright sunshine >>
   Suwa, 1951-1980, 2,246.2 hr yr-1

<< Solar radiation >>
   Matsumoto
   1973-1982
   14.1MJ m-2 day-1

<< Water temperature [deg C](8) >>

SITE: Station 1
YEAR: 1983-1985

Month     Jan     Feb     Mar*    Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec
--------------------------------------------------------------------------------------------------------
Depth [m]
  0.5      -       -      3.7     11.4    16.6    19.7    23.2    26.7    22.5    15.8    10.9    3.6
   5       -       -      3.5     9.5     14.5    18.5    19.8    21.7    21.4    14.8    7.7     3.6