datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,02 0:30:00,26 ,       0,149.0399,15.25147,30.94041
sgpcmbeC1.c1,1997,02 1:30:00,27 ,       0,105.6862,21.64155,33.66389
sgpcmbeC1.c1,1997,02 2:30:00,26 ,       0,124.8751,19.84216,34.74625
sgpcmbeC1.c1,1997,02 3:30:00,27 ,       0,  204.11,27.07683, 48.5146
sgpcmbeC1.c1,1997,02 4:30:00,27 ,       0,433.7254,37.42211,88.48748
sgpcmbeC1.c1,1997,02 5:30:00,28 ,       0,391.9518,47.92945,97.37715
sgpcmbeC1.c1,1997,02 6:30:00,28 ,       0,230.9084,31.66148,60.82107
sgpcmbeC1.c1,1997,02 7:30:00,28 ,       0,106.2768,17.59989,30.23598
sgpcmbeC1.c1,1997,02 8:30:00,28 ,       0,328.6035,27.92973,68.71176
sgpcmbeC1.c1,1997,02 9:30:00,27 ,       0,261.0481,22.65333,56.04067
sgpcmbeC1.c1,1997,0210:30:00,27 ,       0,495.1385,35.42804, 101.573
sgpcmbeC1.c1,1997,0211:30:00,27 ,       0,85.01772,16.38301,24.59212
sgpcmbeC1.c1,1997,0212:30:00,27 ,       0,78.52029,12.77746,19.97116
sgpcmbeC1.c1,1997,0213:30:00,27 ,       0,77.35392,10.80878, 16.2239
sgpcmbeC1.c1,1997,0214:30:00,27 ,0.167082,38.66947,9.749717,11.68022
sgpcmbeC1.c1,1997,0215:30:00,28 ,       0,303.1727,25.88359,63.22467
sgpcmbeC1.c1,1997,0216:30:00,28 ,       0,158.8616,16.98457,33.96114
sgpcmbeC1.c1,1997,0217:30:00,28 , 0.17985,122.1263,16.79018,30.62501
sgpcmbeC1.c1,1997,0218:30:00,27 ,0.593537,104.6904,17.73184,26.64183
sgpcmbeC1.c1,1997,0219:30:00,26 ,0.081489,186.4405,20.88891,40.37079
sgpcmbeC1.c1,1997,0220:30:00,27 ,0.172721,301.8476,34.10169,79.50166
sgpcmbeC1.c1,1997,0221:30:00,27 ,0.014901,257.0475,25.89822,55.71388
sgpcmbeC1.c1,1997,0222:30:00,27 , 0.19273,379.2889,29.61181,74.60624
sgpcmbeC1.c1,1997,0223:30:00,27 ,0.056622,279.3402,33.64703,63.50312