condition mean min max 4 h after light 144.344 131.85 156.838 8 h after light 76.07665 74.0644 78.0889 12 h after light 35.77535 35.5083 36.0424 4 h after dark 28.254350000000002 26.9939 29.5148 8 h after dark 47.64005 44.9688 50.3113 12 h after dark 81.29775000000001 73.1146 89.4809