condition	mean	min	max
4 h after light	7.615864999999999	5.59723	9.6345
8 h after light	14.6151	13.6299	15.6003
12 h after light	20.7039	19.5254	21.8824
4 h after dark	10.9333	10.5117	11.3549
8 h after dark	7.075395	6.94513	7.20566
12 h after dark	6.263965000000001	5.96414	6.56379