condition mean min max 4 h after light 218.9908305 191.288066 246.693595 8 h after light 220.4610085 178.450653 262.471364 12 h after light 195.666967 174.232057 217.101877 4 h after dark 289.1849195 255.696095 322.673744 8 h after dark 371.7844145 350.535902 393.032927 12 h after dark 208.385903 208.385903 208.385903