condition mean min max 4 h after light 259.772768 212.294321 307.251215 8 h after light 380.5923805 365.32503 395.859731 12 h after light 269.7003325 198.462826 340.937839 4 h after dark 317.304043 301.186593 333.421493 8 h after dark 207.463293 145.878016 269.04857 12 h after dark 142.836415 142.836415 142.836415