datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2005,01 0:30:00,31 ,184.3688,344.0498,266.9199,46.97399 sgpcmbeC1.c1,2005,01 1:30:00,31 ,183.5644,321.2265,265.5274,46.28582 sgpcmbeC1.c1,2005,01 2:30:00,31 ,184.3128,320.6905,263.2427,45.68718 sgpcmbeC1.c1,2005,01 3:30:00,31 ,184.3598,322.3972,261.8409,46.17944 sgpcmbeC1.c1,2005,01 4:30:00,31 ,184.1216,321.2207,263.0586,46.13553 sgpcmbeC1.c1,2005,01 5:30:00,31 ,184.5575,346.2312,264.7096,48.23554 sgpcmbeC1.c1,2005,01 6:30:00,31 ,184.2447, 384.875,271.1341, 53.1696 sgpcmbeC1.c1,2005,01 7:30:00,31 , 184.437,383.4572, 270.144,53.20325 sgpcmbeC1.c1,2005,01 8:30:00,31 ,185.9763,387.3627,270.4528,53.35898 sgpcmbeC1.c1,2005,01 9:30:00,31 ,187.6052,390.5129,273.1872,51.62782 sgpcmbeC1.c1,2005,0110:30:00,31 , 189.777,381.8143,275.8107,48.25264 sgpcmbeC1.c1,2005,0111:30:00,31 , 193.728,360.4698,277.6157,45.14402 sgpcmbeC1.c1,2005,0112:30:00,31 ,197.5459,357.4305, 279.872,41.77629 sgpcmbeC1.c1,2005,0113:30:00,31 , 198.798,365.4172,283.2981, 41.3055 sgpcmbeC1.c1,2005,0114:30:00,31 ,199.2132,363.4772,284.4038,42.63008 sgpcmbeC1.c1,2005,0115:30:00,31 ,200.7243,350.0632,285.3632,40.38857 sgpcmbeC1.c1,2005,0116:30:00,31 ,200.8538,385.9476,285.0992, 42.3029 sgpcmbeC1.c1,2005,0117:30:00,31 , 203.29,385.8847,281.7445,43.80226 sgpcmbeC1.c1,2005,0118:30:00,31 ,198.9345, 346.065, 278.789, 40.6657 sgpcmbeC1.c1,2005,0119:30:00,31 ,195.4885,370.7831,278.5635,44.47804 sgpcmbeC1.c1,2005,0120:30:00,31 ,195.7906,322.7305,274.3315,42.16037 sgpcmbeC1.c1,2005,0121:30:00,31 ,192.6407,324.2052,272.5803,42.90893 sgpcmbeC1.c1,2005,0122:30:00,31 ,189.6546,323.6253,270.5683,43.05264 sgpcmbeC1.c1,2005,0123:30:00,31 ,191.3853,326.7572,269.7694,44.42249