datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,03 0:30:00,31 ,233.4538,366.2936,287.3473,37.60911
sgpcmbeC1.c1,2001,03 1:30:00,31 , 228.394, 348.494,285.5935,38.73968
sgpcmbeC1.c1,2001,03 2:30:00,31 ,224.3364,355.4495,285.6685,36.18095
sgpcmbeC1.c1,2001,03 3:30:00,31 ,     224,358.1553,287.0581,36.11385
sgpcmbeC1.c1,2001,03 4:30:00,31 ,224.7351,354.2939,293.3681,33.32629
sgpcmbeC1.c1,2001,03 5:30:00,31 ,224.5253,  346.87,289.2994,34.54205
sgpcmbeC1.c1,2001,03 6:30:00,31 ,223.0558, 357.175,284.0927,35.89169
sgpcmbeC1.c1,2001,03 7:30:00,31 ,219.6312,356.9957,282.8002,36.92321
sgpcmbeC1.c1,2001,03 8:30:00,31 ,221.7722,350.7695,285.7413,36.62278
sgpcmbeC1.c1,2001,03 9:30:00,31 ,226.6876,354.8847, 295.066,34.79065
sgpcmbeC1.c1,2001,0310:30:00,31 ,233.1432,349.9511,  295.63,31.40679
sgpcmbeC1.c1,2001,0311:30:00,31 ,238.6505, 360.083,299.0378,33.14662
sgpcmbeC1.c1,2001,0312:30:00,31 ,242.4756,370.0694,302.9588,34.50181
sgpcmbeC1.c1,2001,0313:30:00,31 ,252.3276,379.8787, 304.619,33.51661
sgpcmbeC1.c1,2001,0314:30:00,31 ,250.1383, 375.757, 307.503,30.46058
sgpcmbeC1.c1,2001,0315:30:00,31 ,252.4838,378.2213,305.0355,30.78055
sgpcmbeC1.c1,2001,0316:30:00,31 ,252.3577,375.9981,302.5032,31.46703
sgpcmbeC1.c1,2001,0317:30:00,31 ,246.4763,373.1094,301.5939,32.26517
sgpcmbeC1.c1,2001,0318:30:00,31 ,246.9241,364.7673,299.0014, 32.9493
sgpcmbeC1.c1,2001,0319:30:00,31 ,245.1042,368.6608,296.6441,33.40146
sgpcmbeC1.c1,2001,0320:30:00,31 ,245.9599,366.2166,295.3063,31.68247
sgpcmbeC1.c1,2001,0321:30:00,31 ,241.0462,366.0343,289.1509,32.42325
sgpcmbeC1.c1,2001,0322:30:00,31 ,238.6908,366.0245,285.6358,33.61106
sgpcmbeC1.c1,2001,0323:30:00,31 ,236.6342,366.3066,283.7257,32.68984