condition	mean	min	max
4 h after light	61.66055	61.1481	62.173
8 h after light	28.1784	26.7346	29.6222
12 h after light	30.4859	26.5094	34.4624
4 h after dark	51.47755	45.3422	57.6129
8 h after dark	82.2059	81.3042	83.1076
12 h after dark	96.18605	94.1735	98.1986