datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,11 0:30:00,28 ,       0,1.075251, 0.23702,0.367271
sgpcmbeC1.c1,1997,11 1:30:00,28 ,       0,1.364091,0.117924,0.271263
sgpcmbeC1.c1,1997,11 2:30:00,29 ,       0,0.375194, 0.07668,0.109734
sgpcmbeC1.c1,1997,11 3:30:00,29 ,       0,0.374134,0.066185,0.121377
sgpcmbeC1.c1,1997,11 4:30:00,29 ,       0,0.371171,0.044499,0.084464
sgpcmbeC1.c1,1997,11 5:30:00,30 ,       0,0.295333,0.058901,0.091134
sgpcmbeC1.c1,1997,11 6:30:00,30 ,0.000495,0.516727,0.243303,0.169539
sgpcmbeC1.c1,1997,11 7:30:00,30 ,0.237886,54.49801,11.96086,16.98793
sgpcmbeC1.c1,1997,11 8:30:00,30 ,0.005241,215.5656,66.44005,78.02265
sgpcmbeC1.c1,1997,11 9:30:00,30 ,0.010494,376.0734,143.6631,144.8028
sgpcmbeC1.c1,1997,1110:30:00,30 ,0.096249,501.6607,215.6376,197.5754
sgpcmbeC1.c1,1997,1111:30:00,30 ,0.389305,574.6904,283.7477,218.6451
sgpcmbeC1.c1,1997,1112:30:00,30 ,0.188393,583.5462,270.3485,217.0869
sgpcmbeC1.c1,1997,1113:30:00,30 ,0.032936,532.1393, 250.259,191.2191
sgpcmbeC1.c1,1997,1114:30:00,30 ,0.177239,414.8652,197.0805,155.2596
sgpcmbeC1.c1,1997,1115:30:00,30 ,0.048561,298.2622,118.9475,106.8384
sgpcmbeC1.c1,1997,1116:30:00,30 ,0.035584,116.9392,40.33802,42.15275
sgpcmbeC1.c1,1997,1117:30:00,30 ,0.248802,8.255085,1.868079,1.788292
sgpcmbeC1.c1,1997,1118:30:00,30 ,       0,0.810329,0.220417,0.213138
sgpcmbeC1.c1,1997,1119:30:00,30 ,       0, 0.64029,0.155845,0.185836
sgpcmbeC1.c1,1997,1120:30:00,30 ,       0,0.746717,0.126958,0.192839
sgpcmbeC1.c1,1997,1121:30:00,30 ,       0,1.506298,0.177076,0.296282
sgpcmbeC1.c1,1997,1122:30:00,28 ,       0,1.249797,0.206166,0.294864
sgpcmbeC1.c1,1997,1123:30:00,29 ,       0,0.399127,0.102565,0.138358