datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2002,11 0:30:00,29 ,       0,0.132624, 0.01148, 0.03573
twpcmbeC2.c1,2002,11 1:30:00,29 ,       0,0.179131,0.019058,0.049658
twpcmbeC2.c1,2002,11 2:30:00,30 ,       0,0.153045,0.005101,0.027942
twpcmbeC2.c1,2002,11 3:30:00,29 ,       0,0.073197,0.005041,0.018848
twpcmbeC2.c1,2002,11 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,11 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,11 6:30:00,30 ,0.404903,24.43279,8.123743,5.012277
twpcmbeC2.c1,2002,11 7:30:00,30 ,4.569857,83.61031,49.00954,29.16023
twpcmbeC2.c1,2002,11 8:30:00,30 ,2.062648,   162.9,67.98379,43.50893
twpcmbeC2.c1,2002,11 9:30:00,30 ,2.142998,226.6215,109.2805,65.70757
twpcmbeC2.c1,2002,1110:30:00,30 ,7.599981,366.0577,159.0672,96.93779
twpcmbeC2.c1,2002,1111:30:00,30 ,3.717597, 427.441,166.5817,119.7834
twpcmbeC2.c1,2002,1112:30:00,30 ,11.53747, 348.977,176.7837,99.62999
twpcmbeC2.c1,2002,1113:30:00,30 ,12.62769,342.0959,148.1362,104.6732
twpcmbeC2.c1,2002,1114:30:00,30 ,8.107862,340.2591,136.4766, 99.4512
twpcmbeC2.c1,2002,1115:30:00,30 ,5.657206,266.9763,104.8637, 72.6752
twpcmbeC2.c1,2002,1116:30:00,30 ,5.374434,223.2951,96.46788,58.37605
twpcmbeC2.c1,2002,1117:30:00,30 ,1.892565,108.9182,59.02065,32.64879
twpcmbeC2.c1,2002,1118:30:00,30 ,2.168453,60.19222,23.42793,13.38343
twpcmbeC2.c1,2002,1119:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,1120:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,1121:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2002,1122:30:00,30 ,       0,0.210151,0.014755,0.048486
twpcmbeC2.c1,2002,1123:30:00,30 ,       0,       0,       0,       0