datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,08 0:30:00,25 ,       0,161.5911,17.17433,39.50225
sgpcmbeC1.c1,2003,08 1:30:00,25 ,       0,220.5064,18.85915,48.36119
sgpcmbeC1.c1,2003,08 2:30:00,25 ,       0,206.1238,23.85068,51.76176
sgpcmbeC1.c1,2003,08 3:30:00,25 ,       0,83.09406, 15.9104,27.67494
sgpcmbeC1.c1,2003,08 4:30:00,26 ,       0,242.0902,28.37482,62.03138
sgpcmbeC1.c1,2003,08 5:30:00,25 ,       0,159.4543,28.41338,50.11728
sgpcmbeC1.c1,2003,08 6:30:00,26 ,       0,246.9585,37.03251,65.61841
sgpcmbeC1.c1,2003,08 7:30:00,26 ,       0,294.8431,36.81107, 77.4446
sgpcmbeC1.c1,2003,08 8:30:00,28 ,       0,353.6533,26.57872,76.13117
sgpcmbeC1.c1,2003,08 9:30:00,28 ,       0,273.7833,33.02358, 68.9533
sgpcmbeC1.c1,2003,0810:30:00,28 ,       0,136.9329,22.18454,37.61265
sgpcmbeC1.c1,2003,0811:30:00,28 ,       0,226.4747,37.98858,65.08962
sgpcmbeC1.c1,2003,0812:30:00,27 ,       0,172.6085,29.58597,52.20174
sgpcmbeC1.c1,2003,0813:30:00,27 ,       0,206.5286,42.33745,59.27527
sgpcmbeC1.c1,2003,0814:30:00,27 ,       0,290.1519,33.86889,60.77448
sgpcmbeC1.c1,2003,0815:30:00,26 ,       0,271.8979,37.48701,63.58489
sgpcmbeC1.c1,2003,0816:30:00,26 ,       0,256.9419,27.71581, 54.2211
sgpcmbeC1.c1,2003,0817:30:00,26 ,       0,237.3651,18.52156,47.49732
sgpcmbeC1.c1,2003,0818:30:00,27 ,       0,274.6472,27.30619,63.08099
sgpcmbeC1.c1,2003,0819:30:00,26 ,       0,193.0943, 21.5649,46.48943
sgpcmbeC1.c1,2003,0820:30:00,26 ,       0,312.7282,22.07161,64.87719
sgpcmbeC1.c1,2003,0821:30:00,26 ,       0,140.9553, 16.0581,35.06233
sgpcmbeC1.c1,2003,0822:30:00,26 ,       0,178.9028,22.35261,49.26379
sgpcmbeC1.c1,2003,0823:30:00,26 ,       0,242.3434,35.64993,62.70282