condition	mean	min	max
4 h after light	18.82725	16.297	21.3575
8 h after light	13.7162	13.5735	13.8589
12 h after light	9.616505	8.49471	10.7383
4 h after dark	29.210566666666665	28.0811	30.2974
8 h after dark	24.694666666666667	22.9166	25.9656
12 h after dark	17.3677	15.61	19.113