datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,01 0:30:00,31 ,       0,0.176196,0.018684,0.043966
sgpcmbeC1.c1,1999,01 1:30:00,31 ,       0,0.107316,0.012667,0.024392
sgpcmbeC1.c1,1999,01 2:30:00,31 ,       0,0.274777,0.022722, 0.05516
sgpcmbeC1.c1,1999,01 3:30:00,31 ,       0,0.232155,0.026922,0.057644
sgpcmbeC1.c1,1999,01 4:30:00,31 ,       0,0.166486,0.015594,0.039558
sgpcmbeC1.c1,1999,01 5:30:00,31 ,       0,0.280222,0.015882, 0.05654
sgpcmbeC1.c1,1999,01 6:30:00,31 ,       0,0.271808,0.020264,0.056624
sgpcmbeC1.c1,1999,01 7:30:00,31 ,       0,3.863326,1.103024,1.122197
sgpcmbeC1.c1,1999,01 8:30:00,30 ,       0,17.44526, 6.76292,4.933596
sgpcmbeC1.c1,1999,01 9:30:00,30 ,0.633574,30.32755,8.728405,7.630191
sgpcmbeC1.c1,1999,0110:30:00,30 ,1.137608,32.93167,9.055044, 6.81291
sgpcmbeC1.c1,1999,0111:30:00,29 ,0.597348, 33.5872, 10.9946,9.181081
sgpcmbeC1.c1,1999,0112:30:00,29 ,0.795286,33.29823,12.32722,9.785296
sgpcmbeC1.c1,1999,0113:30:00,30 ,0.503825,35.69732,9.919752,8.771675
sgpcmbeC1.c1,1999,0114:30:00,29 ,1.607107,41.79303,12.27585,10.87178
sgpcmbeC1.c1,1999,0115:30:00,28 ,1.107922,17.38205,8.504088,4.252367
sgpcmbeC1.c1,1999,0116:30:00,28 ,0.758653,23.75035,9.979832,6.241679
sgpcmbeC1.c1,1999,0117:30:00,31 ,       0,7.346168,2.991384,2.272319
sgpcmbeC1.c1,1999,0118:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,0119:30:00,31 ,       0,0.145721,0.006911,0.027928
sgpcmbeC1.c1,1999,0120:30:00,31 ,       0,0.132406,0.009108,0.030091
sgpcmbeC1.c1,1999,0121:30:00,31 ,       0,0.043048,0.001389,0.007732
sgpcmbeC1.c1,1999,0122:30:00,31 ,       0,0.184578,0.010975,0.038851
sgpcmbeC1.c1,1999,0123:30:00,31 ,       0,0.174353,0.015942,0.041233