datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,17 ,       0,170.1044,21.07605,41.93127
sgpcmbeC1.c1,2001,06 1:30:00,17 ,0.011073, 91.0085,14.86012,21.75196
sgpcmbeC1.c1,2001,06 2:30:00,17 ,0.008909,256.1847, 25.5993,61.02776
sgpcmbeC1.c1,2001,06 3:30:00,17 ,       0,303.8674,26.69855,72.38447
sgpcmbeC1.c1,2001,06 4:30:00,17 ,       0,130.3478,13.42471,30.77633
sgpcmbeC1.c1,2001,06 5:30:00,17 ,       0, 174.363,22.80273,46.28401
sgpcmbeC1.c1,2001,06 6:30:00,16 ,       0,94.52403,18.09424,26.38609
sgpcmbeC1.c1,2001,06 7:30:00,19 ,       0,78.90622,18.62745,26.64045
sgpcmbeC1.c1,2001,06 8:30:00,21 ,       0,164.0265,25.74559,47.71886
sgpcmbeC1.c1,2001,06 9:30:00,21 ,       0,217.2077,42.97843,71.93628
sgpcmbeC1.c1,2001,0610:30:00,20 , 0.00213,166.2097,25.32626,  42.735
sgpcmbeC1.c1,2001,0611:30:00,20 ,0.001217,72.82675,18.31525, 21.5773
sgpcmbeC1.c1,2001,0612:30:00,20 ,       0,89.64866,17.19582,25.84946
sgpcmbeC1.c1,2001,0613:30:00,20 ,0.014452,74.26026,16.91499,24.06144
sgpcmbeC1.c1,2001,0614:30:00,21 ,0.031632,155.6627,21.03362, 37.1953
sgpcmbeC1.c1,2001,0615:30:00,21 ,       0,103.5176,15.21358,23.78618
sgpcmbeC1.c1,2001,0616:30:00,20 ,       0, 196.371,20.60492,45.34736
sgpcmbeC1.c1,2001,0617:30:00,20 ,       0,33.66533,9.975691,10.54188
sgpcmbeC1.c1,2001,0618:30:00,20 ,       0,74.31299,11.47659,15.92483
sgpcmbeC1.c1,2001,0619:30:00,20 ,0.024693,60.63912,13.00425,13.07541
sgpcmbeC1.c1,2001,0620:30:00,20 ,0.636479,83.97234,17.74034,19.54075
sgpcmbeC1.c1,2001,0621:30:00,18 ,0.003066, 77.4249,16.64107, 22.1906
sgpcmbeC1.c1,2001,0622:30:00,18 ,       0,81.32292,17.11871,23.75417
sgpcmbeC1.c1,2001,0623:30:00,17 ,       0,138.2353,20.61729,34.51854