datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,12 0:30:00,28 ,       0,767.8428,86.02435,175.4469
sgpcmbeC1.c1,2002,12 1:30:00,28 ,0.003004,507.8857,83.36416,151.7317
sgpcmbeC1.c1,2002,12 2:30:00,28 ,       0,498.9417,67.29462,131.8625
sgpcmbeC1.c1,2002,12 3:30:00,28 ,       0,509.1043,60.25504,118.7984
sgpcmbeC1.c1,2002,12 4:30:00,28 ,       0,544.3651,51.37789,112.8303
sgpcmbeC1.c1,2002,12 5:30:00,28 ,       0, 565.709,66.24016,127.1798
sgpcmbeC1.c1,2002,12 6:30:00,26 ,       0,421.7594,68.32232, 107.179
sgpcmbeC1.c1,2002,12 7:30:00,26 ,       0,433.3317, 76.2511,127.4123
sgpcmbeC1.c1,2002,12 8:30:00,25 ,       0,392.6019, 61.6474,104.0167
sgpcmbeC1.c1,2002,12 9:30:00,28 ,       0,287.2801,53.35439,83.81185
sgpcmbeC1.c1,2002,1210:30:00,28 ,       0,370.6075,55.03199,98.87057
sgpcmbeC1.c1,2002,1211:30:00,28 ,       0,460.2755,56.44467,104.5565
sgpcmbeC1.c1,2002,1212:30:00,28 ,       0,761.5691,69.48247,152.6432
sgpcmbeC1.c1,2002,1213:30:00,28 ,0.009048,1129.731,102.1623,261.3619
sgpcmbeC1.c1,2002,1214:30:00,26 ,0.007444,593.7655,56.78483,121.3518
sgpcmbeC1.c1,2002,1215:30:00,26 ,0.003009,879.2642,75.18227, 174.073
sgpcmbeC1.c1,2002,1216:30:00,26 ,0.149147, 968.814,75.00895,191.2029
sgpcmbeC1.c1,2002,1217:30:00,26 ,0.217585,654.1712,73.26754,146.5708
sgpcmbeC1.c1,2002,1218:30:00,27 ,0.174039,1116.456,78.53126,217.7507
sgpcmbeC1.c1,2002,1219:30:00,27 ,0.061193, 955.753,80.77151,196.3139
sgpcmbeC1.c1,2002,1220:30:00,28 , 0.13048,639.6117,99.11762, 180.516
sgpcmbeC1.c1,2002,1221:30:00,28 ,0.016144,1104.017,103.9553,229.5254
sgpcmbeC1.c1,2002,1222:30:00,28 ,0.016661, 613.399,77.08935, 156.926
sgpcmbeC1.c1,2002,1223:30:00,28 ,0.003143,636.8356,73.68435,144.8495