condition mean min max 0 h after light 842.005 821.159 862.851 4 h after light 426.461 405.053 447.869 8 h after light 563.891 546.141 581.641 4 h after dark 622.2629999999999 585.184 659.342 8 h after dark 625.1935000000001 599.993 650.394 12 h after dark 758.88 630.277 887.483