condition mean min max 4 h after light 0.1417 0.0 0.4251 8 h after light 0.513468 0.158752 1.12365 12 h after light 0.7824043333333334 0.560888 1.13767 4 h after dark 0.40534 0.108657 0.696616 8 h after dark 0.12937433333333334 0.0 0.388123 12 h after dark 0.16646996666666666 0.0 0.408085