condition mean min max 4 h after light 5216.1 5216.1 5216.1 8 h after light 5250.8 5149.1 5352.5 12 h after light 4498.25 4155.6 4840.9 4 h after dark 5409.299999999999 4132.7 6685.9 8 h after dark 6104.4 5318.0 6890.8 12 h after dark 4840.4 4826.3 4854.5