condition	mean	min	max
4 h after light	10.66517	9.88874	11.4416
8 h after light	22.11835	21.1487	23.088
12 h after light	19.3607	17.2627	21.4587
4 h after dark	47.620066666666666	46.315	49.7101
8 h after dark	16.7138	15.8251	17.7786
12 h after dark	13.225686666666666	9.13526	16.7318