condition mean min max 4 h after light 123.35439350000001 105.202972 141.505815 8 h after light 147.32066600000002 145.155134 149.486198 12 h after light 140.896947 130.591831 151.202063 4 h after dark 162.47294349999999 157.330198 167.615689 8 h after dark 161.70385 156.494609 166.913091 12 h after dark 136.239548 136.239548 136.239548