condition mean min max 4 h after light 112.7528765 111.203167 114.302586 8 h after light 107.4571015 103.711036 111.203167 12 h after light 122.2705215 107.770519 136.770524 4 h after dark 97.358424 89.551279 105.165569 8 h after dark 105.6395005 86.816175 124.462826 12 h after dark 133.908635 133.908635 133.908635