datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,12 0:30:00,31 ,280.3083,385.2782, 320.174,21.36969
sgpcmbeC1.c1,1999,12 1:30:00,31 ,274.4837,384.8149,318.4917,21.82023
sgpcmbeC1.c1,1999,12 2:30:00,31 ,271.4318,381.9979,316.5132,21.93524
sgpcmbeC1.c1,1999,12 3:30:00,31 ,271.2155,381.2863,315.7893,22.02667
sgpcmbeC1.c1,1999,12 4:30:00,31 , 270.954,377.7423,313.2581,21.27896
sgpcmbeC1.c1,1999,12 5:30:00,31 ,271.4497,372.8282,311.3159,20.35429
sgpcmbeC1.c1,1999,12 6:30:00,31 ,272.2078,374.2063,311.4934,20.67834
sgpcmbeC1.c1,1999,12 7:30:00,31 ,274.9839,376.5497,311.8607,20.25902
sgpcmbeC1.c1,1999,12 8:30:00,31 ,288.7744,383.9416,319.4028,18.56934
sgpcmbeC1.c1,1999,12 9:30:00,31 ,301.8693,395.6525,333.0689,18.81285
sgpcmbeC1.c1,1999,1210:30:00,31 ,318.9595,407.8687,348.1299,19.98927
sgpcmbeC1.c1,1999,1211:30:00,31 ,325.4569,417.4567, 360.997,21.42001
sgpcmbeC1.c1,1999,1212:30:00,31 ,330.2598,418.3091,368.4469,23.19098
sgpcmbeC1.c1,1999,1213:30:00,31 ,332.2227,421.8086,372.1074,25.01284
sgpcmbeC1.c1,1999,1214:30:00,31 ,331.1435,420.0819,370.1423,25.64003
sgpcmbeC1.c1,1999,1215:30:00,31 ,324.2705,418.9406, 364.174,   25.43
sgpcmbeC1.c1,1999,1216:30:00,31 ,314.9313,406.3139,350.8678,22.57532
sgpcmbeC1.c1,1999,1217:30:00,31 ,301.0667, 391.484,335.6539,22.77432
sgpcmbeC1.c1,1999,1218:30:00,31 ,299.3271,396.4293,330.9702,24.01247
sgpcmbeC1.c1,1999,1219:30:00,31 ,298.0822,382.3268,326.5564,22.62143
sgpcmbeC1.c1,1999,1220:30:00,31 ,294.5112,384.9061, 324.955,21.56548
sgpcmbeC1.c1,1999,1221:30:00,31 ,284.0308,385.1767,323.3784,21.64778
sgpcmbeC1.c1,1999,1222:30:00,31 ,284.5775,385.6375,322.8946,22.36731
sgpcmbeC1.c1,1999,1223:30:00,31 ,285.7378,385.9438,321.7513,22.14579