condition	mean	min	max
4 h after light	572.028	556.948	587.108
8 h after light	470.467	465.593	475.341
12 h after light	500.07349999999997	491.977	508.17
4 h after dark	581.2115	567.108	595.315
8 h after dark	639.1975	630.038	648.357
12 h after dark	609.0840000000001	604.312	613.856