condition mean min max 4 h after light 131.9375 118.977 144.898 8 h after light 88.8005 86.1132 91.4878 12 h after light 97.59985 93.7097 101.49 4 h after dark 92.4071 84.6922 100.122 8 h after dark 99.6574 97.1718 102.143 12 h after dark 123.25800000000001 121.019 125.497