datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,02 0:30:00,27 ,       0,123.9029,22.89962,30.02119
twpcmbeC2.c1,2005,02 1:30:00,27 ,1.334193,115.2251,  23.812,32.80596
twpcmbeC2.c1,2005,02 2:30:00,26 ,       0,219.4872,24.97559,42.92792
twpcmbeC2.c1,2005,02 3:30:00,26 ,1.502632,86.78538,23.35043, 23.9317
twpcmbeC2.c1,2005,02 4:30:00,27 ,0.110709, 121.666,26.43456, 28.2755
twpcmbeC2.c1,2005,02 5:30:00,27 ,       0,164.1193,28.15697,32.62917
twpcmbeC2.c1,2005,02 6:30:00,26 ,       0,69.55863,21.18052,19.31791
twpcmbeC2.c1,2005,02 7:30:00,26 ,1.802081,143.5715,23.22288,28.58859
twpcmbeC2.c1,2005,02 8:30:00,26 ,       0,97.37982,23.28575,26.50489
twpcmbeC2.c1,2005,02 9:30:00,26 ,0.176624,94.45737,19.31992, 21.1089
twpcmbeC2.c1,2005,0210:30:00,25 ,0.220076,135.1942,23.08449,27.64489
twpcmbeC2.c1,2005,0211:30:00,24 ,0.019217,159.3433,25.62939,38.73216
twpcmbeC2.c1,2005,0212:30:00,26 ,1.822831, 99.5598,26.11613,25.11219
twpcmbeC2.c1,2005,0213:30:00,26 ,       0,114.8253,28.38052, 31.3495
twpcmbeC2.c1,2005,0214:30:00,25 , 0.21088,141.9882,24.56672,29.95173
twpcmbeC2.c1,2005,0215:30:00,26 ,       0,111.1046,31.80242,31.63465
twpcmbeC2.c1,2005,0216:30:00,26 ,1.639802,166.9016, 35.2771,37.14941
twpcmbeC2.c1,2005,0217:30:00,26 ,0.076013,217.9075,44.04524,57.00732
twpcmbeC2.c1,2005,0218:30:00,26 ,       0,112.6684,31.71919,29.46029
twpcmbeC2.c1,2005,0219:30:00,25 ,       0,95.11209,25.89475,29.47128
twpcmbeC2.c1,2005,0220:30:00,26 ,       0,141.0566,26.84128,31.22208
twpcmbeC2.c1,2005,0221:30:00,28 ,       0,137.0025,27.12877,32.26312
twpcmbeC2.c1,2005,0222:30:00,27 ,1.256697,139.1072,22.05348, 28.7871
twpcmbeC2.c1,2005,0223:30:00,27 ,1.686189,100.4073,23.45697,24.05337