condition mean min max 4 h after light 222.5397495 215.001288 230.078211 8 h after light 194.9678695 194.242144 195.693595 12 h after light 197.41731049999999 195.831456 199.003165 4 h after dark 188.483452 178.965616 198.001288 8 h after dark 166.5770465 159.075882 174.078211 12 h after dark 236.846074 236.846074 236.846074