condition mean min max 4 h after light 362.870062 233.030299 492.709825 8 h after light 193.49182150000001 183.709295 203.274348 12 h after light 194.5927165 156.155134 233.030299 4 h after dark 274.013588 227.645936 320.38124 8 h after dark 211.399884 206.355091 216.444677 12 h after dark 163.509012 163.509012 163.509012