condition	mean	min	max
4 h after light	1009.8	1009.8	1009.8
8 h after light	834.2	750.9	917.5
12 h after light	1066.85	974.5	1159.2
4 h after dark	1018.2	994.1	1042.3
8 h after dark	950.7	904.0	997.4
12 h after dark	975.7	955.1	996.3