condition mean min max 0 h after light 1.117515 0.79731 1.43772 4 h after light 1.5067445000000002 0.812399 2.20109 8 h after light 2.23832 2.11019 2.36645 4 h after dark 4.54979 4.088 5.01158 8 h after dark 2.3643549999999998 2.05886 2.66985 12 h after dark 1.730915 1.59248 1.86935