condition	mean	min	max
4 h after light	18.00105	16.0531	19.949
8 h after light	20.06335	19.6351	20.4916
12 h after light	34.764700000000005	33.6946	35.8348
4 h after dark	29.969933333333334	28.2743	31.7077
8 h after dark	17.4942	16.7527	18.216
12 h after dark	18.5557	17.6932	19.0461