condition mean min max 4 h after light 1502.757067 1242.007883 1763.506251 8 h after light 801.7618180000001 489.3521 1114.171536 12 h after light 746.2195855 454.685455 1037.753716 4 h after dark 264.228787 225.110527 303.347047 8 h after dark 170.71343549999997 32.102225 309.324646 12 h after dark 2045.357179 2045.357179 2045.357179