datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2001,12 0:30:00,24 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,12 1:30:00,24 ,       0,0.056222,0.002343,0.011476
twpcmbeC2.c1,2001,12 2:30:00,24 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,12 3:30:00,24 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,12 4:30:00,24 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,12 5:30:00,24 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,12 6:30:00,24 ,0.165853,10.58942, 4.01058,2.794913
twpcmbeC2.c1,2001,12 7:30:00,24 ,5.867311,109.3716, 35.5468,22.37801
twpcmbeC2.c1,2001,12 8:30:00,24 ,13.49726,94.63234,48.58855,23.24133
twpcmbeC2.c1,2001,12 9:30:00,24 , 5.68717, 109.599,42.40196,22.80168
twpcmbeC2.c1,2001,1210:30:00,24 ,8.499094,113.0028,40.16179,25.36431
twpcmbeC2.c1,2001,1211:30:00,24 ,6.008734,159.7622,66.54422,43.58493
twpcmbeC2.c1,2001,1212:30:00,23 ,6.319204,185.2051,65.99386,43.75876
twpcmbeC2.c1,2001,1213:30:00,23 ,7.762166,210.1595,53.65762,47.02742
twpcmbeC2.c1,2001,1214:30:00,23 ,10.73397,169.7987,43.90216,38.49928
twpcmbeC2.c1,2001,1215:30:00,23 ,7.127388,122.0612,39.58574,34.33535
twpcmbeC2.c1,2001,1216:30:00,23 ,6.603823,112.7008,32.88546,27.11278
twpcmbeC2.c1,2001,1217:30:00,23 ,5.288987,68.13245,24.19284,16.04438
twpcmbeC2.c1,2001,1218:30:00,23 ,1.462691,37.85122,15.83548,11.49435
twpcmbeC2.c1,2001,1219:30:00,23 ,       0,0.617768,0.026859,0.128814
twpcmbeC2.c1,2001,1220:30:00,23 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1221:30:00,23 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1222:30:00,23 ,       0,       0,       0,       0
twpcmbeC2.c1,2001,1223:30:00,23 ,       0,       0,       0,       0