condition mean min max 0 h after light 2596.955 2391.48 2802.43 2 h after light 2561.275 2435.5 2687.05 4 h after light 2296.335 2224.38 2368.29 8 h after light 2203.37 1899.67 2507.07 12 h after light 2932.865 2794.93 3070.8 2 h after dark 3216.475 3013.31 3419.64 4 h after dark 3314.05 3197.94 3430.16 8 h after dark 3960.19 3480.87 4439.51 12 h after dark 3376.58 2922.07 3831.09