units:					
inlet and outlet discharges are in millions of cubic meters/month					
evaporation & precipitation are in cm/month (cubic cm/square cm of reservoir surface/month)					
reservoir level is in m above sea level at the beginning of the month.					

month	inlet	outlet	evap	precip	res. elev.
jan	3.9	4.32	0.45	3.64	139.62
feb	3.09	4.02	0.61	1.97	139.69
mar	5.47	5.42	1.82	6.82	139.65
apr	6.48	6.19	4.09	10.15	139.81
may	5.16	5.28	4.39	4.85	140.02
jun	3.24	3.73	6.52	3.94	140.12
jul	5.37	5.61	8.33	6.97	140.13
aug	1.45	2.07	7.73	1.21	140.2
sep	0.7	1.61	5.15	0.61	140.15
oct	1.73	2.57	2.42	6.52	140.07
nov	2.37	3.39	1.52	4.24	140.09
dec	2.02	3.03	0.91	2.27	140.06
jan					140.02