datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,08 0:30:00,30 ,       0,0.748764,0.142694,0.191444
sgpcmbeC1.c1,1998,08 1:30:00,30 ,       0,0.992064,0.185902,0.258791
sgpcmbeC1.c1,1998,08 2:30:00,30 ,       0,0.524478,0.141119,0.151275
sgpcmbeC1.c1,1998,08 3:30:00,30 ,       0,1.653523, 0.14391,0.313308
sgpcmbeC1.c1,1998,08 4:30:00,30 ,       0, 0.65898,0.156329,0.186897
sgpcmbeC1.c1,1998,08 5:30:00,30 ,0.195787,1.484744,0.478415,0.264837
sgpcmbeC1.c1,1998,08 6:30:00,30 ,0.231312,60.11425,24.92349,13.80609
sgpcmbeC1.c1,1998,08 7:30:00,30 ,6.461945, 204.428,128.0302,55.47009
sgpcmbeC1.c1,1998,08 8:30:00,30 ,3.299255,379.8046,246.7012,106.5704
sgpcmbeC1.c1,1998,08 9:30:00,30 ,1.096924,548.6329,375.7096,155.7965
sgpcmbeC1.c1,1998,0810:30:00,30 ,3.457428, 682.021,500.1084,190.4645
sgpcmbeC1.c1,1998,0811:30:00,30 ,0.313431,  764.92, 533.519, 229.545
sgpcmbeC1.c1,1998,0812:30:00,30 ,3.915863,798.8282,484.4429,264.0805
sgpcmbeC1.c1,1998,0813:30:00,31 ,18.30646,763.8539,  509.98, 206.972
sgpcmbeC1.c1,1998,0814:30:00,31 , 3.49025, 682.462,422.9928, 203.838
sgpcmbeC1.c1,1998,0815:30:00,31 ,0.270311,559.2311,349.4185,184.7914
sgpcmbeC1.c1,1998,0816:30:00,31 ,       0,414.8814,235.1424,135.8772
sgpcmbeC1.c1,1998,0817:30:00,31 ,0.036323,219.3453,103.7588, 76.8873
sgpcmbeC1.c1,1998,0818:30:00,31 ,0.026546,71.76019,26.37155,18.70291
sgpcmbeC1.c1,1998,0819:30:00,31 ,0.143274, 5.36482,0.917498, 1.03658
sgpcmbeC1.c1,1998,0820:30:00,30 ,       0,1.384293,0.197936,  0.3187
sgpcmbeC1.c1,1998,0821:30:00,30 ,       0,0.745171,0.189387,0.209199
sgpcmbeC1.c1,1998,0822:30:00,30 ,       0,0.844025,0.166167,0.212766
sgpcmbeC1.c1,1998,0823:30:00,30 ,       0,0.529797,0.145928,0.168112