condition	mean	min	max
4 h after light	27.7999	27.1746	28.4252
8 h after light	20.524900000000002	20.0453	21.0045
12 h after light	19.62385	17.9216	21.3261
4 h after dark	19.913	18.8704	20.9556
8 h after dark	31.86765	31.3994	32.3359
12 h after dark	30.4098	29.7847	31.0349