datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,02 0:30:00,26 ,       0,767.3154,105.0246, 212.155
sgpcmbeC1.c1,2004,02 1:30:00,26 ,       0,712.3394,94.72088,189.8243
sgpcmbeC1.c1,2004,02 2:30:00,26 ,       0,619.5089,85.36471,170.9104
sgpcmbeC1.c1,2004,02 3:30:00,26 ,       0,727.0182,80.33913,171.9417
sgpcmbeC1.c1,2004,02 4:30:00,26 ,       0,744.6715,74.19779,171.4943
sgpcmbeC1.c1,2004,02 5:30:00,26 ,       0,881.0905,75.18942,191.0684
sgpcmbeC1.c1,2004,02 6:30:00,26 ,       0,1443.516,89.59808,285.4287
sgpcmbeC1.c1,2004,02 7:30:00,26 ,       0,1956.587,103.6821, 382.342
sgpcmbeC1.c1,2004,02 8:30:00,26 ,       0,1908.167,117.0436,381.1177
sgpcmbeC1.c1,2004,02 9:30:00,26 ,       0,1642.492,89.03832,322.9865
sgpcmbeC1.c1,2004,0210:30:00,27 ,       0,1596.187,101.9174,313.7081
sgpcmbeC1.c1,2004,0211:30:00,27 ,       0,1579.351,109.8137,316.7025
sgpcmbeC1.c1,2004,0212:30:00,27 ,       0,1766.005, 122.253,362.0086
sgpcmbeC1.c1,2004,0213:30:00,27 ,       0,1780.684,115.4789,366.6238
sgpcmbeC1.c1,2004,0214:30:00,27 ,       0,1955.531,116.1089,389.7026
sgpcmbeC1.c1,2004,0215:30:00,26 ,       0,281.9494,20.34217,58.87106
sgpcmbeC1.c1,2004,0216:30:00,26 ,       0,260.7765,19.13893,52.41937
sgpcmbeC1.c1,2004,0217:30:00,27 ,       0, 1399.01,75.64431, 274.316
sgpcmbeC1.c1,2004,0218:30:00,26 ,       0,836.2805,60.14403,173.0549
sgpcmbeC1.c1,2004,0219:30:00,26 ,       0,767.1192, 57.4391,157.6148
sgpcmbeC1.c1,2004,0220:30:00,26 ,       0,296.2846,30.97761,73.16021
sgpcmbeC1.c1,2004,0221:30:00,26 ,       0, 438.763, 39.4541,97.12589
sgpcmbeC1.c1,2004,0222:30:00,26 ,       0,791.8774,80.25681,191.2416
sgpcmbeC1.c1,2004,0223:30:00,26 ,       0, 952.093,114.0674,255.1198