datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,2003,01 0:30:00,25 , 0,0.713419,0.028537,0.142684 sgpcmbeC1.c1,2003,01 1:30:00,26 , 0,0.504433,0.019401,0.098927 sgpcmbeC1.c1,2003,01 2:30:00,21 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,01 3:30:00,27 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,01 4:30:00,26 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,01 5:30:00,30 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,01 6:30:00,31 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,01 7:30:00,31 , 0,15.76505,6.837229,3.620442 sgpcmbeC1.c1,2003,01 8:30:00,31 ,6.458662,69.14217, 41.818,17.20086 sgpcmbeC1.c1,2003,01 9:30:00,31 ,7.668269,89.39461,44.11734,18.75973 sgpcmbeC1.c1,2003,0110:30:00,31 ,18.48467,107.4844,45.55821,23.67074 sgpcmbeC1.c1,2003,0111:30:00,31 ,7.408093,135.7053,44.65263, 36.9835 sgpcmbeC1.c1,2003,0112:30:00,31 ,2.759642,138.5584,35.79868,43.47142 sgpcmbeC1.c1,2003,0113:30:00,31 ,6.633624,206.4956,51.32814,55.65734 sgpcmbeC1.c1,2003,0114:30:00,31 ,5.290083,141.8079,47.27631,33.76526 sgpcmbeC1.c1,2003,0115:30:00,31 ,7.290353,94.90343,47.03822, 19.2572 sgpcmbeC1.c1,2003,0116:30:00,31 ,8.149349,98.07003,48.19708,21.78502 sgpcmbeC1.c1,2003,0117:30:00,31 ,2.307227,42.93563,18.02254,10.18823 sgpcmbeC1.c1,2003,0118:30:00,31 , 0,1.836233,0.105805,0.375992 sgpcmbeC1.c1,2003,0119:30:00,30 , 0,0.883488, 0.02945,0.161302 sgpcmbeC1.c1,2003,0120:30:00,27 , 0,0.391456,0.014498,0.075336 sgpcmbeC1.c1,2003,0121:30:00,27 , 0, 0, 0, 0 sgpcmbeC1.c1,2003,0122:30:00,24 , 0,1.221935,0.050914,0.249426 sgpcmbeC1.c1,2003,0123:30:00,24 , 0, 0, 0, 0