condition mean min max 4 h after light 916.097168 902.73151 929.462826 8 h after light 1062.3253639999998 1051.393459 1073.257269 12 h after light 1162.321731 1011.643204 1313.000258 4 h after dark 1052.4232965 814.163167 1290.683426 8 h after dark 957.758442 741.538693 1173.978191 12 h after dark 1035.138315 1035.138315 1035.138315