condition mean min max 4 h after light 318.8 318.8 318.8 8 h after light 324.0 270.8 377.2 12 h after light 718.25 440.4 996.1 4 h after dark 968.2 942.4 994.0 8 h after dark 823.6500000000001 728.1 919.2 12 h after dark 585.8 551.0 620.6