datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,02 0:30:00,29 ,       0,0.637384,0.089284,0.178919
twpcmbeC1.c1,2004,02 1:30:00,29 ,       0,0.610022,0.062888,0.152236
twpcmbeC1.c1,2004,02 2:30:00,29 ,       0,0.454372, 0.04693, 0.12599
twpcmbeC1.c1,2004,02 3:30:00,29 ,       0,0.366138,0.030413,0.084484
twpcmbeC1.c1,2004,02 4:30:00,29 ,       0,0.266619,0.021878,0.061132
twpcmbeC1.c1,2004,02 5:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,02 6:30:00,29 ,1.910713,42.50468,18.95204,10.12956
twpcmbeC1.c1,2004,02 7:30:00,29 ,2.103566,89.17294,50.99712,25.57643
twpcmbeC1.c1,2004,02 8:30:00,29 ,2.605796,173.7614,78.28949,52.18903
twpcmbeC1.c1,2004,02 9:30:00,29 ,8.733308,241.4136,102.9792,60.77643
twpcmbeC1.c1,2004,0210:30:00,29 ,10.93368, 311.387,125.9942,84.10916
twpcmbeC1.c1,2004,0211:30:00,29 ,8.045249,324.6931,153.9772,94.16571
twpcmbeC1.c1,2004,0212:30:00,29 ,2.973411,406.5349,164.7684,119.1624
twpcmbeC1.c1,2004,0213:30:00,29 ,5.733706,227.0949,100.9027,68.79397
twpcmbeC1.c1,2004,0214:30:00,29 ,1.730991,295.1915,139.4556,88.90591
twpcmbeC1.c1,2004,0215:30:00,29 ,5.992344,265.3949,98.72132,74.40564
twpcmbeC1.c1,2004,0216:30:00,29 ,1.608209, 154.752, 54.8931,43.78603
twpcmbeC1.c1,2004,0217:30:00,29 ,7.168902,101.5766,33.90137,24.89299
twpcmbeC1.c1,2004,0218:30:00,29 , 0.63298,23.85263,9.474236,5.967225
twpcmbeC1.c1,2004,0219:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0220:30:00,29 ,       0,0.257132,0.016843,0.063075
twpcmbeC1.c1,2004,0221:30:00,29 ,       0,0.326028,0.014532, 0.06247
twpcmbeC1.c1,2004,0222:30:00,29 ,       0,0.527167,0.087738,  0.1528
twpcmbeC1.c1,2004,0223:30:00,29 ,       0,0.470785,0.040048,0.113234