D2 CLIMATIC (Q) Climatic data at Richard-Toll*1, 1977-1982 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann. Mean temp. [deg C] 23 24 27 29 30 30 30 29 30 30 26 23 28 Precipitation [mm]*2 3 2 1 4 0 5 43 100 110 5 0 2 275 *1 10 km north of the lake. *2 Very irregular. Water temperature [deg C] Station 2, 1977-1982 Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.5 19 21 22 23 24 25 26 28 29 27 23 20