condition mean min max 4 h after light 1.053553 0.437436 1.66967 8 h after light 0.3088295 0.202197 0.415462 12 h after light 1.3351 1.25643 1.41377 4 h after dark 5.3172033333333335 4.8683 5.61916 8 h after dark 3.0990733333333336 2.65985 3.38227 12 h after dark 1.373484 0.985832 1.75722