datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,06 0:30:00,30 ,372.1838,453.3559,410.7931,  22.293
sgpcmbeC1.c1,1997,06 1:30:00,30 ,369.4357,449.0584,408.0647,21.57318
sgpcmbeC1.c1,1997,06 2:30:00,30 ,367.8748, 445.802,405.9696,20.66099
sgpcmbeC1.c1,1997,06 3:30:00,30 ,365.4557,442.5216,404.0064,21.07235
sgpcmbeC1.c1,1997,06 4:30:00,30 ,361.2733,439.2644,402.0657,21.64674
sgpcmbeC1.c1,1997,06 5:30:00,30 ,365.7299,437.4386,402.6037,20.97149
sgpcmbeC1.c1,1997,06 6:30:00,30 ,382.7949,446.8195,412.7682,17.91283
sgpcmbeC1.c1,1997,06 7:30:00,30 ,400.5368,461.3304,427.7304, 17.1687
sgpcmbeC1.c1,1997,06 8:30:00,30 ,403.9497,476.9004, 443.733,21.67347
sgpcmbeC1.c1,1997,06 9:30:00,30 ,406.2269,492.3193,457.6913,24.55436
sgpcmbeC1.c1,1997,0610:30:00,30 ,407.0736,505.2201,468.4438,28.96383
sgpcmbeC1.c1,1997,0611:30:00,30 ,412.7344,517.7777,477.5494,29.15986
sgpcmbeC1.c1,1997,0612:30:00,30 ,417.0482,528.4899,484.9877,27.22118
sgpcmbeC1.c1,1997,0613:30:00,30 ,417.0557,524.4584, 485.935,25.40058
sgpcmbeC1.c1,1997,0614:30:00,30 ,422.5028,524.3752,487.9948,23.64481
sgpcmbeC1.c1,1997,0615:30:00,30 ,422.7134,517.4084, 485.122,20.44971
sgpcmbeC1.c1,1997,0616:30:00,30 ,419.8589, 508.337,477.6002,20.07241
sgpcmbeC1.c1,1997,0617:30:00,30 , 402.969,500.2947,466.1404,23.14281
sgpcmbeC1.c1,1997,0618:30:00,30 ,406.8624,488.6963,454.2049,21.16017
sgpcmbeC1.c1,1997,0619:30:00,30 ,404.0572,476.4035,439.2027,21.57504
sgpcmbeC1.c1,1997,0620:30:00,30 , 393.753,464.4329,427.5084,22.18927
sgpcmbeC1.c1,1997,0621:30:00,30 ,387.2346,459.7195,423.0266, 22.0607
sgpcmbeC1.c1,1997,0622:30:00,30 ,382.5063,456.9579,420.4457,22.31932
sgpcmbeC1.c1,1997,0623:30:00,30 ,376.9707,453.9311,416.1747,21.91445