data	  precp	  sm
20170401   1.8	 0.19
20170402   0.2	 
20170403   1.0	 0.23
20170404   0.0	 
20170405   0.0	 
20170406   0.0	 0.20
20170407   6.0	 
20170408   0.6	 
20170409   0.7	 0.24
20170410   0.0	 
20170411   1.1	 0.20
20170412   0.1	 
20170413   12.2	 
20170414   23.7	 0.38
20170415   0.0	 
20170416   0.1	 0.30
20170417   0.0	 0.30
20170418   0.6	 
20170419   0.4	 0.30
20170420   0.1	 
20170421   0.2	 
20170422   0.0	 0.22
20170423   6.9	 
20170424   0.4	 
20170425   0.0	 0.25
20170426   0.0	 
20170427   0.0	 0.21
20170428   0.1	 
20170429   0.0	 
20170430   0.0	 0.21