datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,02 0:30:00,26 ,       0,177.2854,26.95407,47.02149
sgpcmbeC1.c1,2004,02 1:30:00,26 ,       0,182.8238,26.53735,47.66687
sgpcmbeC1.c1,2004,02 2:30:00,26 ,       0,161.2262,18.48986,34.46862
sgpcmbeC1.c1,2004,02 3:30:00,26 ,       0,142.1679, 15.6656,29.88681
sgpcmbeC1.c1,2004,02 4:30:00,26 ,       0,98.61086,14.67201,23.77732
sgpcmbeC1.c1,2004,02 5:30:00,26 ,       0,204.1122,18.90262,46.33842
sgpcmbeC1.c1,2004,02 6:30:00,26 ,       0,246.8493,23.19411,53.22085
sgpcmbeC1.c1,2004,02 7:30:00,26 ,       0,147.8012,14.44169,31.26852
sgpcmbeC1.c1,2004,02 8:30:00,26 ,       0,357.0955,25.43587, 70.8534
sgpcmbeC1.c1,2004,02 9:30:00,26 ,       0,123.1366,12.69944,25.52891
sgpcmbeC1.c1,2004,0210:30:00,27 ,       0,430.5596,34.29413,92.40694
sgpcmbeC1.c1,2004,0211:30:00,27 ,       0,411.8614,44.70897,110.4216
sgpcmbeC1.c1,2004,0212:30:00,27 ,       0,374.7547,34.62253, 86.1279
sgpcmbeC1.c1,2004,0213:30:00,27 ,       0,161.4359,20.99755,46.33407
sgpcmbeC1.c1,2004,0214:30:00,27 ,       0, 173.465,15.62169,35.60452
sgpcmbeC1.c1,2004,0215:30:00,26 ,       0,83.43155,9.935194,19.60014
sgpcmbeC1.c1,2004,0216:30:00,26 ,       0,72.48353,8.062759,15.33899
sgpcmbeC1.c1,2004,0217:30:00,27 ,       0,269.3016,18.20216,52.98873
sgpcmbeC1.c1,2004,0218:30:00,26 ,       0,118.7229, 14.6712,25.82027
sgpcmbeC1.c1,2004,0219:30:00,26 ,       0,330.4669,20.81338,64.10187
sgpcmbeC1.c1,2004,0220:30:00,26 ,       0,286.3269,16.77107,55.50969
sgpcmbeC1.c1,2004,0221:30:00,26 ,       0,110.1531,14.25444,26.27118
sgpcmbeC1.c1,2004,0222:30:00,26 ,       0,336.2302,30.65899,78.80811
sgpcmbeC1.c1,2004,0223:30:00,26 ,       0,296.6869, 29.5143,67.77885