FEBRUARY, MARCH. DATE. TABLE SHOWING THE HEIGHT OF HIGH WATER AT THE LONDON DOCK-GATES FOR 1856. JANUARY. TABLE SHOWING THE HEIGHT OF HIGH WATER AT THE LONDON DOCK-GATES FOR 1856. 18 3 19 19 5721326 ft. in. ft. in. ft. in. ft. in. ft. in. 19 3 19 3 18 8 18 17 11 17 1344& 16 8 16 15 11 15 1248 17 16 15 15 9887 to 10 10 10 6 18 5 19 17 5 18 1 19 1 19 8 20 48105230 17 16 16 16 1 16 10 17 10 72704OLOO 20 8 20 11 20 11 20 10 19 4 18 11 18 9 18 6 170518270 19 3 19 4 19 3 18 10 18 16 3 18 10 18 10 18 3749 A TABLE OF THE DURATION OF MOONLIGHT AFTER SUNSET AND BEFORE SUNRISE THROUGHOUT THE YEAR. The figures under the name of each month denote the number of hours nearly between sunset and sunrise. The number of points denote the hours of darkness; and their position.....***** indicates the one..... before, the other ***** after midnight. |