condition mean min max 4 h after light 5862.279723 5200.959743 6523.599703 8 h after light 6941.636228 6222.770518 7660.501938 12 h after light 6532.79525 5843.256391 7222.334109 4 h after dark 5859.674268999999 5328.918309 6390.430229 8 h after dark 5615.596519500001 5490.33164 5740.861399 12 h after dark 4716.116672 4716.116672 4716.116672