condition	mean	min	max
4 h after light	19.8549	19.107	20.6028
8 h after light	21.7578	21.0409	22.4747
12 h after light	17.275199999999998	16.5225	18.0279
4 h after dark	22.3935	20.912	23.875
8 h after dark	20.544	19.6687	21.4193
12 h after dark	19.3647	18.9637	19.7657