datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,1999,01 0:30:00,30 ,439.1429,458.3669,447.2588,3.999551
twpcmbeC2.c1,1999,01 1:30:00,29 ,438.3922,454.4351,446.2737, 3.67264
twpcmbeC2.c1,1999,01 2:30:00,29 ,436.4173,453.7332,445.2018,3.889901
twpcmbeC2.c1,1999,01 3:30:00,29 ,435.0063,452.4863,444.5294,3.966282
twpcmbeC2.c1,1999,01 4:30:00,29 ,435.1936,451.0576,443.3874,4.077679
twpcmbeC2.c1,1999,01 5:30:00,29 ,  431.92,451.9071,442.9435, 4.25602
twpcmbeC2.c1,1999,01 6:30:00,29 , 429.641,449.6904,442.2573, 4.34874
twpcmbeC2.c1,1999,01 7:30:00,29 ,433.5298,452.7706,445.3885,4.144627
twpcmbeC2.c1,1999,01 8:30:00,29 ,447.6231,469.9851,459.6791,4.832344
twpcmbeC2.c1,1999,01 9:30:00,29 , 446.437,488.5991,478.1681,9.336194
twpcmbeC2.c1,1999,0110:30:00,29 ,448.1928,510.7131,494.0948,14.59891
twpcmbeC2.c1,1999,0111:30:00,29 ,459.8497, 528.534,  507.62,17.69124
twpcmbeC2.c1,1999,0112:30:00,30 ,478.3429,538.8551,520.7769,16.83135
twpcmbeC2.c1,1999,0113:30:00,30 ,483.9503,556.3517,526.9831,17.78156
twpcmbeC2.c1,1999,0114:30:00,30 ,470.8832,557.7219,524.1122,19.02606
twpcmbeC2.c1,1999,0115:30:00,30 ,475.4688,557.5026,517.0943,17.25303
twpcmbeC2.c1,1999,0116:30:00,30 ,472.0038,529.2111,503.5674,13.70822
twpcmbeC2.c1,1999,0117:30:00,30 ,461.5455,507.5021,486.1626,10.00078
twpcmbeC2.c1,1999,0118:30:00,30 , 450.832,481.8842,468.9571,7.083418
twpcmbeC2.c1,1999,0119:30:00,30 ,445.4908,468.7298,457.1684,5.586467
twpcmbeC2.c1,1999,0120:30:00,30 ,442.8339,465.7603,453.4039,5.021736
twpcmbeC2.c1,1999,0121:30:00,30 ,440.1888,463.5842,451.0328,4.984999
twpcmbeC2.c1,1999,0122:30:00,30 , 439.129,459.0123, 449.144,4.234711
twpcmbeC2.c1,1999,0123:30:00,30 ,438.2999,459.8786,448.5605,4.210209