condition mean min max 0 h after light 363.94 361.928 365.952 4 h after light 253.0985 231.362 274.835 8 h after light 169.6955 168.847 170.544 4 h after dark 431.3325 417.406 445.259 8 h after dark 401.421 380.37 422.472 12 h after dark 366.351 358.818 373.884