condition mean min max 4 h after light 442.324676 416.417295 468.232057 8 h after light 375.22826299999997 275.657138 474.799388 12 h after light 411.9249835 340.385903 483.464064 4 h after dark 243.95683000000002 173.835449 314.078211 8 h after dark 193.169292 120.875758 265.462826 12 h after dark 269.473465 269.473465 269.473465