condition	mean	min	max
4 h after light	741.9	741.9	741.9
8 h after light	697.9	614.5	781.3
12 h after light	684.0	657.4	710.6
4 h after dark	953.0	815.1	1090.9
8 h after dark	876.7	789.8	963.6
12 h after dark	924.25	862.2	986.3