datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,1999,04 0:30:00,19 ,317.2652,417.5591,361.6965,28.42505 sgpcmbeC1.c1,1999,04 1:30:00,19 , 314.999,416.0407,361.0991,29.96318 sgpcmbeC1.c1,1999,04 2:30:00,19 ,315.1237, 412.857,358.3874,30.09782 sgpcmbeC1.c1,1999,04 3:30:00,19 ,312.9366,414.6641,355.8791,30.96457 sgpcmbeC1.c1,1999,04 4:30:00,19 ,308.4376,415.6729, 354.607,31.39665 sgpcmbeC1.c1,1999,04 5:30:00,19 ,304.7452,415.4952,351.2617,32.64955 sgpcmbeC1.c1,1999,04 6:30:00,19 , 312.576,418.0031,354.1284,31.34831 sgpcmbeC1.c1,1999,04 7:30:00,19 ,331.6681,420.3094,368.0697,23.19728 sgpcmbeC1.c1,1999,04 8:30:00,18 ,354.1945,426.2431, 384.734,20.92605 sgpcmbeC1.c1,1999,04 9:30:00,18 ,367.8396,439.5952,401.6597,22.41465 sgpcmbeC1.c1,1999,0410:30:00,18 ,367.7274, 456.006, 415.385, 27.3076 sgpcmbeC1.c1,1999,0411:30:00,18 ,368.6604,464.2712,428.6424, 31.1572 sgpcmbeC1.c1,1999,0412:30:00,18 ,373.0652,471.2689,436.3136,33.10033 sgpcmbeC1.c1,1999,0413:30:00,18 ,379.3975,474.8694,437.6481, 33.81 sgpcmbeC1.c1,1999,0414:30:00,18 ,383.6754,479.0753,433.9831,32.22293 sgpcmbeC1.c1,1999,0415:30:00,18 ,384.1366,468.8859,427.8708, 28.0843 sgpcmbeC1.c1,1999,0416:30:00,18 ,376.3532,450.2965,418.7715,24.04161 sgpcmbeC1.c1,1999,0417:30:00,18 ,367.5193,433.0635,403.1052,20.31444 sgpcmbeC1.c1,1999,0418:30:00,18 ,350.7523,416.0379,384.5126,18.62925 sgpcmbeC1.c1,1999,0419:30:00,18 ,328.9108,411.2803,370.3005,22.78126 sgpcmbeC1.c1,1999,0420:30:00,18 ,321.7945,416.7614,366.2708,25.62707 sgpcmbeC1.c1,1999,0421:30:00,18 ,321.5842, 422.901,364.9082,26.52793 sgpcmbeC1.c1,1999,0422:30:00,18 ,321.6483, 420.951,361.1937,26.34493 sgpcmbeC1.c1,1999,0423:30:00,18 ,319.6339, 418.503,360.3811,26.80523