condition mean min max 4 h after light 1494.9151570000001 924.710559 2065.119755 8 h after light 2336.5268225 1827.692314 2845.361331 12 h after light 2383.0389370000003 2205.133711 2560.944163 4 h after dark 1385.5988495000001 741.770518 2029.427181 8 h after dark 889.406757 292.318739 1486.494775 12 h after dark 847.232057 847.232057 847.232057