condition mean min max 4 h after light 392.0073375 332.446904 451.567771 8 h after light 423.641292 404.12745 443.155134 12 h after light 461.2711855 419.65386 502.888511 4 h after dark 402.570114 399.365834 405.774394 8 h after dark 396.99654799999996 392.231074 401.762022 12 h after dark 373.721048 373.721048 373.721048