datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,30 ,       0,1.134047,0.213434,0.276947
sgpcmbeC1.c1,1998,04 1:30:00,30 ,       0,1.180594,0.237908,0.306324
sgpcmbeC1.c1,1998,04 2:30:00,30 ,       0,1.247885,0.252283,0.307006
sgpcmbeC1.c1,1998,04 3:30:00,30 ,       0,2.074425,0.223041,0.417292
sgpcmbeC1.c1,1998,04 4:30:00,30 ,       0,1.042318,0.125924,0.255861
sgpcmbeC1.c1,1998,04 5:30:00,30 ,       0,4.488424, 0.99833,1.100817
sgpcmbeC1.c1,1998,04 6:30:00,30 ,7.089394, 94.5308,47.83021,26.09964
sgpcmbeC1.c1,1998,04 7:30:00,30 ,26.94756,300.3048,192.2999,87.21362
sgpcmbeC1.c1,1998,04 8:30:00,30 ,63.19279,514.8456,355.4932, 145.574
sgpcmbeC1.c1,1998,04 9:30:00,30 ,76.82961,706.5274,487.8501,228.9218
sgpcmbeC1.c1,1998,0410:30:00,30 ,47.86592,845.0551,623.8475,269.1078
sgpcmbeC1.c1,1998,0411:30:00,30 ,73.92074,936.8524,690.8452, 315.988
sgpcmbeC1.c1,1998,0412:30:00,30 ,64.48962,966.0762,696.7229,326.0607
sgpcmbeC1.c1,1998,0413:30:00,30 , 69.2831,950.5706,695.6398, 311.445
sgpcmbeC1.c1,1998,0414:30:00,30 ,118.2818,848.7755, 598.963, 269.741
sgpcmbeC1.c1,1998,0415:30:00,30 ,142.9422,696.1915,509.7649,211.7704
sgpcmbeC1.c1,1998,0416:30:00,30 ,72.97694, 505.002,361.3345,153.8948
sgpcmbeC1.c1,1998,0417:30:00,30 ,11.48631,291.4862,200.7419,91.46511
sgpcmbeC1.c1,1998,0418:30:00,30 , 1.82948,95.16343,49.26861,26.34532
sgpcmbeC1.c1,1998,0419:30:00,30 ,0.002412,5.013466, 1.38807,1.109365
sgpcmbeC1.c1,1998,0420:30:00,30 ,0.002658,0.937992,0.320398,0.274035
sgpcmbeC1.c1,1998,0421:30:00,30 ,       0,0.755759,0.247601,0.218223
sgpcmbeC1.c1,1998,0422:30:00,30 ,       0,0.910678,0.196391,0.247896
sgpcmbeC1.c1,1998,0423:30:00,30 ,       0, 1.79294,0.309453,0.436746