condition mean min max 0 h after light 2.7699100000000003 2.30586 3.23396 4 h after light 0.4622945 0.45469 0.469899 8 h after light 0.0 0.0 0.0 4 h after dark 0.9076475 0.905858 0.909437 8 h after dark 0.229012 0.0 0.458024 12 h after dark 1.606915 0.45052 2.76331