datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2004,01 0:30:00,31 ,445.3123, 466.319,455.2098,5.318384 twpcmbeC2.c1,2004,01 1:30:00,31 ,444.0384,462.5719,454.1144,5.241292 twpcmbeC2.c1,2004,01 2:30:00,31 ,442.8506,464.4243,453.5919,5.484147 twpcmbeC2.c1,2004,01 3:30:00,31 , 445.142,465.3923,453.7568,5.384425 twpcmbeC2.c1,2004,01 4:30:00,31 ,444.6805,463.0968,452.9965,5.211546 twpcmbeC2.c1,2004,01 5:30:00,31 ,442.4816,463.4444,452.7873, 5.26301 twpcmbeC2.c1,2004,01 6:30:00,31 ,441.8527,462.8243,452.8106,5.577109 twpcmbeC2.c1,2004,01 7:30:00,31 , 445.626,464.5398,455.4167,5.395962 twpcmbeC2.c1,2004,01 8:30:00,31 ,447.9545,477.0758,465.3936, 8.40264 twpcmbeC2.c1,2004,01 9:30:00,31 ,448.2658,493.9282,475.7858,12.38811 twpcmbeC2.c1,2004,0110:30:00,31 ,451.8954,509.9404,485.4683,16.53004 twpcmbeC2.c1,2004,0111:30:00,31 , 451.33, 520.603,493.3078,20.26892 twpcmbeC2.c1,2004,0112:30:00,31 ,442.0598, 527.165,495.5553,21.52328 twpcmbeC2.c1,2004,0113:30:00,31 ,447.1276,525.6135,495.9837, 20.2824 twpcmbeC2.c1,2004,0114:30:00,31 ,448.0217,521.7528,495.8438,18.74996 twpcmbeC2.c1,2004,0115:30:00,31 ,450.9163, 517.554, 491.293,17.54218 twpcmbeC2.c1,2004,0116:30:00,31 ,448.6685,504.8477,484.8669,14.02622 twpcmbeC2.c1,2004,0117:30:00,31 ,445.5359,491.9837,475.0974,11.95245 twpcmbeC2.c1,2004,0118:30:00,31 , 447.912, 476.089,464.7413,7.718822 twpcmbeC2.c1,2004,0119:30:00,31 ,443.2423,464.7043,457.9965,5.770478 twpcmbeC2.c1,2004,0120:30:00,31 ,446.5409,466.0648,457.0579,5.224306 twpcmbeC2.c1,2004,0121:30:00,31 ,446.0258,464.6709,456.5425,5.210665 twpcmbeC2.c1,2004,0122:30:00,31 ,445.0895,464.0649,456.3134,4.903261 twpcmbeC2.c1,2004,0123:30:00,31 , 445.135,461.9012,455.8543,4.618735