datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,01 0:30:00,27 ,       0,19.40546,2.437607,4.327227
sgpcmbeC1.c1,2002,01 1:30:00,25 ,       0,11.76741,2.337149,3.473462
sgpcmbeC1.c1,2002,01 2:30:00,25 ,       0,24.10305,3.339085,6.472353
sgpcmbeC1.c1,2002,01 3:30:00,26 ,       0,72.06023,7.281808,15.76368
sgpcmbeC1.c1,2002,01 4:30:00,26 ,       0,29.66823,4.980626,9.094041
sgpcmbeC1.c1,2002,01 5:30:00,26 ,       0,14.53673,2.921929,4.162639
sgpcmbeC1.c1,2002,01 6:30:00,26 ,       0,16.55521, 2.61436,3.759078
sgpcmbeC1.c1,2002,01 7:30:00,25 ,       0,39.30892, 3.65921,8.072316
sgpcmbeC1.c1,2002,01 8:30:00,25 ,       0,38.15976,3.074017,7.701009
sgpcmbeC1.c1,2002,01 9:30:00,26 ,       0,59.23671,5.032703,12.31635
sgpcmbeC1.c1,2002,0110:30:00,28 ,       0,40.75542,6.762367,12.49691
sgpcmbeC1.c1,2002,0111:30:00,28 ,       0,50.60571,5.997398,10.92678
sgpcmbeC1.c1,2002,0112:30:00,28 ,       0,132.2979,9.288361,25.95587
sgpcmbeC1.c1,2002,0113:30:00,28 ,       0,167.5214,11.07818,32.84303
sgpcmbeC1.c1,2002,0114:30:00,28 ,       0,133.7662,8.537466,26.23483
sgpcmbeC1.c1,2002,0115:30:00,27 ,       0,174.2896,9.095174,33.62384
sgpcmbeC1.c1,2002,0116:30:00,27 ,       0,239.6312,11.16277,45.84957
sgpcmbeC1.c1,2002,0117:30:00,27 ,0.057661,299.4789,12.64391,57.32828
sgpcmbeC1.c1,2002,0118:30:00,28 ,       0,92.89441,6.525153,18.51495
sgpcmbeC1.c1,2002,0119:30:00,28 ,       0,147.7409,10.39662,29.96568
sgpcmbeC1.c1,2002,0120:30:00,28 ,       0,246.6775,12.06769,46.39363
sgpcmbeC1.c1,2002,0121:30:00,28 ,       0,161.6231,10.17695, 31.9298
sgpcmbeC1.c1,2002,0122:30:00,27 ,       0,288.9354,12.90871,55.27921
sgpcmbeC1.c1,2002,0123:30:00,26 ,       0,19.39936,2.189208,3.860759