datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,03 0:30:00,31 ,0.426567,3.139776,1.689087,0.664291
sgpcmbeC1.c1,2005,03 1:30:00,31 ,0.128429,3.216497,1.670234, 0.75447
sgpcmbeC1.c1,2005,03 2:30:00,31 ,0.092369,3.125678,1.542559,0.723162
sgpcmbeC1.c1,2005,03 3:30:00,31 ,0.235962, 2.76114,1.519099,0.593977
sgpcmbeC1.c1,2005,03 4:30:00,31 ,0.142784,2.683027,1.420884,0.556398
sgpcmbeC1.c1,2005,03 5:30:00,31 ,0.260524,3.224927,1.660227,0.736485
sgpcmbeC1.c1,2005,03 6:30:00,31 ,1.674093, 32.6371,7.471343,7.477357
sgpcmbeC1.c1,2005,03 7:30:00,31 ,6.557931,204.5475,84.93043,49.87095
sgpcmbeC1.c1,2005,03 8:30:00,31 ,24.97353,415.6748,236.2127, 120.938
sgpcmbeC1.c1,2005,03 9:30:00,31 , 67.5994,633.3007,378.2978,171.2344
sgpcmbeC1.c1,2005,0310:30:00,31 ,66.09543,777.2051,517.3788,224.3619
sgpcmbeC1.c1,2005,0311:30:00,31 ,124.8711, 886.825,622.4253,249.1021
sgpcmbeC1.c1,2005,0312:30:00,31 ,119.0999,901.5737,665.3796,244.6015
sgpcmbeC1.c1,2005,0313:30:00,31 , 119.991,911.5732,639.2074,232.2893
sgpcmbeC1.c1,2005,0314:30:00,31 ,112.4883,819.1697,571.6064,197.5901
sgpcmbeC1.c1,2005,0315:30:00,31 , 43.2718,667.8174,  447.86,164.7598
sgpcmbeC1.c1,2005,0316:30:00,31 ,36.13471,456.7401,284.6837,127.5574
sgpcmbeC1.c1,2005,0317:30:00,31 ,11.48294,231.4685,127.7701,63.35062
sgpcmbeC1.c1,2005,0318:30:00,31 ,4.319251,42.63869,18.49659,10.48117
sgpcmbeC1.c1,2005,0319:30:00,31 ,0.869251, 3.26416,1.989601,0.700113
sgpcmbeC1.c1,2005,0320:30:00,31 ,1.021353,2.965852,1.906148, 0.57768
sgpcmbeC1.c1,2005,0321:30:00,31 ,1.147723,3.072408,1.869071,0.565576
sgpcmbeC1.c1,2005,0322:30:00,31 ,0.832615,3.144116,1.914588,0.623911
sgpcmbeC1.c1,2005,0323:30:00,31 , 0.95641,3.452108,1.889324, 0.60059