condition	mean	min	max
4 h after light	1188.0	1188.0	1188.0
8 h after light	1023.7	950.9	1096.5
12 h after light	1109.2	1091.5	1126.9
4 h after dark	1615.6	1141.5	2089.7
8 h after dark	1832.9	1819.7	1846.1
12 h after dark	2093.05	1827.7	2358.4