condition mean min max 0 h after light 10.276499999999999 10.1931 10.3599 4 h after light 9.361335 9.24214 9.48053 8 h after light 22.9162 22.4122 23.4202 4 h after dark 28.6019 25.1066 32.0972 8 h after dark 18.54505 16.5712 20.5189 12 h after dark 12.7899 11.2243 14.3555