condition	mean	min	max
4 h after light	1830.2	1830.2	1830.2
8 h after light	1841.8	1690.0	1993.6
12 h after light	1573.4	1505.7	1641.1
4 h after dark	1963.5500000000002	1768.8	2158.3
8 h after dark	1838.3000000000002	1732.4	1944.2
12 h after dark	1977.8000000000002	1814.2	2141.4