datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,08 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 2:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,08 5:30:00,31 ,       0,0.321996,0.042915,0.081831
sgpcmbeC1.c1,2002,08 6:30:00,31 ,       0, 58.3466,18.62877,15.48736
sgpcmbeC1.c1,2002,08 7:30:00,31 ,       0,247.5455,101.0403,67.07709
sgpcmbeC1.c1,2002,08 8:30:00,31 ,0.010101, 452.017,212.1476, 133.996
sgpcmbeC1.c1,2002,08 9:30:00,31 ,0.002958,638.1028,315.3174,216.8568
sgpcmbeC1.c1,2002,0810:30:00,31 ,0.239975,781.7957,436.0434,246.7149
sgpcmbeC1.c1,2002,0811:30:00,31 ,0.578766,869.8073,503.8994,243.6941
sgpcmbeC1.c1,2002,0812:30:00,31 ,0.185249,906.6078,481.5064,284.6277
sgpcmbeC1.c1,2002,0813:30:00,31 ,0.359734,880.4777,521.8329,221.5579
sgpcmbeC1.c1,2002,0814:30:00,31 ,0.004993,790.7025,458.5119,185.3748
sgpcmbeC1.c1,2002,0815:30:00,31 ,0.024778, 649.551,388.7705,155.2833
sgpcmbeC1.c1,2002,0816:30:00,31 ,0.638298,472.3057,255.7857,118.8979
sgpcmbeC1.c1,2002,0817:30:00,31 ,0.001575,270.5958,129.1851,69.98184
sgpcmbeC1.c1,2002,0818:30:00,31 ,0.027065, 81.9734,29.42122,21.11402
sgpcmbeC1.c1,2002,0819:30:00,31 ,       0,2.715004,0.523622,0.741773
sgpcmbeC1.c1,2002,0820:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0821:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0822:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2002,0823:30:00,31 ,       0,       0,       0,       0