condition	mean	min	max
4 h after light	23.561996	21.757475	25.366517
8 h after light	21.800934499999997	20.125524	23.476345
12 h after light	18.586759999999998	17.117362	20.056158
4 h after dark	16.4782945	14.408625	18.547964
8 h after dark	16.1404325	13.291517	18.989348
12 h after dark	19.966779	19.966779	19.966779