condition mean min max 4 h after light 905.0924165 682.492647 1127.692186 8 h after light 733.209981 712.678766 753.741196 12 h after light 619.2691669999999 585.621135 652.917199 4 h after dark 741.153064 574.462826 907.843302 8 h after dark 841.9535775 636.521252 1047.385903 12 h after dark 678.805249 678.805249 678.805249