condition mean min max 0 h after light 20.93515 16.5255 25.3448 2 h after light 26.895 25.6695 28.1205 4 h after light 37.9948 34.2722 41.7174 8 h after light 69.04425 55.875 82.2135 12 h after light 73.97085 70.9369 77.0048 2 h after dark 64.2048 58.0262 70.3834 4 h after dark 53.1672 48.3021 58.0323 8 h after dark 54.83205 52.4519 57.2122 12 h after dark 24.7062 21.9896 27.4228