condition mean min max 4 h after light 76.6439955 66.88365 86.404341 8 h after light 83.049452 79.694563 86.404341 12 h after light 111.124882 76.199218 146.050546 4 h after dark 131.654233 129.153332 134.155134 8 h after dark 70.96884299999999 68.917098 73.020588 12 h after dark 130.510446 130.510446 130.510446