datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,01 0:30:00,31 , 176.481,365.3047,268.2453,54.17855
sgpcmbeC1.c1,2004,01 1:30:00,31 ,173.8612,  363.57,264.6592,52.23185
sgpcmbeC1.c1,2004,01 2:30:00,31 ,172.9543,365.7095,264.7637,53.25977
sgpcmbeC1.c1,2004,01 3:30:00,31 ,173.0455,363.6815,263.1958,54.10884
sgpcmbeC1.c1,2004,01 4:30:00,31 ,172.8294,363.1348,261.5093,53.00306
sgpcmbeC1.c1,2004,01 5:30:00,31 , 173.144,362.2682,  261.91,51.45926
sgpcmbeC1.c1,2004,01 6:30:00,31 ,175.5754,360.1999,261.6424,50.90228
sgpcmbeC1.c1,2004,01 7:30:00,31 ,176.3813,359.4877,265.4218,51.29697
sgpcmbeC1.c1,2004,01 8:30:00,31 ,181.3874,358.6595,266.6724,52.21567
sgpcmbeC1.c1,2004,01 9:30:00,31 ,185.9588,357.7352,268.7527, 48.6272
sgpcmbeC1.c1,2004,0110:30:00,31 ,189.9609,359.4914,271.9844, 46.8248
sgpcmbeC1.c1,2004,0111:30:00,31 ,191.6222,360.9435,272.1639,47.93365
sgpcmbeC1.c1,2004,0112:30:00,31 ,195.2943,363.0743,274.2289, 45.8832
sgpcmbeC1.c1,2004,0113:30:00,31 ,196.7197,363.9615,275.0399,45.70912
sgpcmbeC1.c1,2004,0114:30:00,31 ,198.1621,366.0467,276.5353, 45.5577
sgpcmbeC1.c1,2004,0115:30:00,31 ,198.1793,367.4323,277.9247,44.85576
sgpcmbeC1.c1,2004,0116:30:00,31 ,200.8635,368.8629,278.1007,45.36956
sgpcmbeC1.c1,2004,0117:30:00,31 ,204.0963,366.2506,276.2764, 45.2453
sgpcmbeC1.c1,2004,0118:30:00,31 ,204.3365, 364.978,273.8371,47.58958
sgpcmbeC1.c1,2004,0119:30:00,31 ,205.0523,364.1232,272.1222,48.85682
sgpcmbeC1.c1,2004,0120:30:00,31 ,190.3765,362.4224,271.4728,49.72979
sgpcmbeC1.c1,2004,0121:30:00,31 ,186.5202,365.5653,271.0772,49.89585
sgpcmbeC1.c1,2004,0122:30:00,31 ,186.1924,365.8036,271.1979, 51.7908
sgpcmbeC1.c1,2004,0123:30:00,31 ,182.2139,366.7379, 270.065,52.22453