condition mean min max 4 h after light 373.971551 316.368677 431.574425 8 h after light 355.091402 270.412286 439.770518 12 h after light 419.627294 375.654083 463.600505 4 h after dark 359.30116 287.291994 431.310326 8 h after dark 311.4651795 263.432182 359.498177 12 h after dark 487.450308 487.450308 487.450308