condition mean min max 4 h after light 13.24085 11.2552 15.2265 8 h after light 14.1142 11.8776 16.3508 12 h after light 25.30695 24.6309 25.983 4 h after dark 18.0072 14.6705 22.5881 8 h after dark 16.91016666666667 11.6035 23.899 12 h after dark 13.070806666666666 8.95252 15.1888