condition mean min max 0 h after light 94.85345000000001 92.7699 96.937 4 h after light 93.80445 90.4978 97.1111 8 h after light 177.40800000000002 165.011 189.805 4 h after dark 156.892 153.309 160.475 8 h after dark 168.139 167.982 168.296 12 h after dark 96.45575 95.0906 97.8209