condition	mean	min	max
4 h after light	27.4999	25.3828	29.617
8 h after light	17.0815	16.5663	17.5967
12 h after light	15.19425	14.807	15.5815
4 h after dark	23.0161	20.8269	25.2053
8 h after dark	22.87605	21.203	24.5491
12 h after dark	35.20165	34.0967	36.3066