condition	mean	min	max
4 h after light	21.469749999999998	19.7683	23.1712
8 h after light	16.8508	15.4108	18.2908
12 h after light	15.28895	15.0332	15.5447
4 h after dark	21.408533333333335	20.8145	21.992
8 h after dark	30.0593	27.1487	31.5636
12 h after dark	24.6342	21.5399	27.5356