condition mean min max 4 h after light 595.4 595.4 595.4 8 h after light 657.9000000000001 588.1 727.7 12 h after light 844.45 516.5 1172.4 4 h after dark 850.5999999999999 551.1 1150.1 8 h after dark 672.25 457.7 886.8 12 h after dark 749.3 673.0 825.6