condition	mean	min	max
4 h after light	1642.4	1642.4	1642.4
8 h after light	1554.3000000000002	1493.4	1615.2
12 h after light	1335.15	1243.5	1426.8
4 h after dark	1684.6999999999998	1192.3	2177.1
8 h after dark	1898.5500000000002	1706.3	2090.8
12 h after dark	1861.2	1695.7	2026.7