datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,06 0:30:00,29 ,       0,0.922542, 0.03636,0.172186
sgpcmbeC1.c1,2004,06 1:30:00,29 ,       0, 0.56831,0.032476,0.110853
sgpcmbeC1.c1,2004,06 2:30:00,30 ,       0,0.435653,0.026886,0.096004
sgpcmbeC1.c1,2004,06 3:30:00,30 ,       0, 0.25276,0.012768,0.051183
sgpcmbeC1.c1,2004,06 4:30:00,30 ,       0,0.705801,0.039977,0.135189
sgpcmbeC1.c1,2004,06 5:30:00,30 ,0.923393,33.20992,15.33694,7.960735
sgpcmbeC1.c1,2004,06 6:30:00,30 ,       0,142.6953,66.51192,34.77836
sgpcmbeC1.c1,2004,06 7:30:00,30 , 6.93399, 302.616,124.3895,70.83837
sgpcmbeC1.c1,2004,06 8:30:00,29 ,6.205064,503.8398,177.8449,110.8802
sgpcmbeC1.c1,2004,06 9:30:00,28 ,18.00776,499.6882,196.1665,117.6477
sgpcmbeC1.c1,2004,0610:30:00,29 ,74.24068,823.9352,289.6557,177.3298
sgpcmbeC1.c1,2004,0611:30:00,28 ,37.60722,742.8566,274.6719,164.3263
sgpcmbeC1.c1,2004,0612:30:00,27 ,4.718654,522.7432,269.7902,156.6368
sgpcmbeC1.c1,2004,0613:30:00,28 ,33.62477, 778.738,313.3712, 178.523
sgpcmbeC1.c1,2004,0614:30:00,29 ,83.77733,808.0569,280.5269,164.3046
sgpcmbeC1.c1,2004,0615:30:00,28 ,79.06046,616.7021,233.3673,124.4103
sgpcmbeC1.c1,2004,0616:30:00,28 ,69.09313,510.0343,187.8194,97.16351
sgpcmbeC1.c1,2004,0617:30:00,28 ,       0, 218.337, 127.858,51.56367
sgpcmbeC1.c1,2004,0618:30:00,29 , 46.0151,128.4351,78.18097,21.36348
sgpcmbeC1.c1,2004,0619:30:00,29 , 6.98015,47.82475,20.44442,9.378713
sgpcmbeC1.c1,2004,0620:30:00,29 ,       0,0.391898,0.029283,0.093397
sgpcmbeC1.c1,2004,0621:30:00,28 ,       0,0.091052,0.006318,0.023209
sgpcmbeC1.c1,2004,0622:30:00,27 ,       0,0.126268, 0.00639,0.025556
sgpcmbeC1.c1,2004,0623:30:00,27 ,       0,0.517178,0.019155,0.099531