condition mean min max 4 h after light 396.1086715 331.446825 460.770518 8 h after light 458.09779000000003 430.962015 485.233565 12 h after light 430.2112455 399.280374 461.142117 4 h after dark 453.367236 436.963954 469.770518 8 h after dark 515.8052144999999 515.462826 516.147603 12 h after dark 493.706424 493.706424 493.706424