datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2004,02 0:30:00,19 ,       0,73.23079,6.226822, 16.3276
nsacmbeC1.c1,2004,02 1:30:00,19 ,       0,69.93153,5.772692,15.63449
nsacmbeC1.c1,2004,02 2:30:00,19 ,       0,69.11086,6.056304,15.44669
nsacmbeC1.c1,2004,02 3:30:00,19 ,       0,69.06718,5.909723,15.64501
nsacmbeC1.c1,2004,02 4:30:00,19 ,       0,69.31153,6.463799,16.12466
nsacmbeC1.c1,2004,02 5:30:00,19 ,0.007692,71.24109,6.043592,16.21954
nsacmbeC1.c1,2004,02 6:30:00,18 ,       0,81.83015,6.967195,19.07803
nsacmbeC1.c1,2004,02 7:30:00,18 ,0.002461,74.96871,6.581701,17.55613
nsacmbeC1.c1,2004,02 8:30:00,18 ,       0,73.45186,6.064147,17.03757
nsacmbeC1.c1,2004,02 9:30:00,17 ,       0, 77.9705,5.917882,18.64831
nsacmbeC1.c1,2004,0210:30:00,17 ,       0,78.26306,5.806348,18.74936
nsacmbeC1.c1,2004,0211:30:00,18 ,0.004673,  71.777,6.125262,16.52812
nsacmbeC1.c1,2004,0212:30:00,16 ,       0,76.16526,6.777229,18.74835
nsacmbeC1.c1,2004,0213:30:00,14 ,0.002479,78.90833,7.802547, 20.6208
nsacmbeC1.c1,2004,0214:30:00,13 ,0.076103,71.19864,7.819561,19.13088
nsacmbeC1.c1,2004,0215:30:00,9 ,0.004525,7.137555,2.067382,2.245535
nsacmbeC1.c1,2004,0216:30:00,14 ,0.005237,17.91722,3.863312, 4.87176
nsacmbeC1.c1,2004,0217:30:00,21 ,0.047895,82.51523,6.421314,17.54893
nsacmbeC1.c1,2004,0218:30:00,21 ,       0,75.81071,    5.46,16.22049
nsacmbeC1.c1,2004,0219:30:00,20 ,       0,78.25568,5.934157,17.14463
nsacmbeC1.c1,2004,0220:30:00,20 ,       0, 76.8399,5.822669,16.87038
nsacmbeC1.c1,2004,0221:30:00,20 ,       0,76.66656, 6.10076,16.77404
nsacmbeC1.c1,2004,0222:30:00,20 ,       0,74.65694,6.126257,16.28353
nsacmbeC1.c1,2004,0223:30:00,19 ,       0,72.00642,6.727744,16.08308