condition mean min max 4 h after light 4328.9 4089.123333 4695.13 8 h after light 3897.5872223333336 3341.216667 4357.91 12 h after light 3419.7244443333334 2464.416667 4398.933333 1.5 h after dark 2037.0022223333333 1713.9 2636.506667 5.5 h after dark 2148.123333 1982.203333 2325.093333 9.5 h after dark 2518.341111 2314.36 2910.263333