Mild, dull, rain. Warnings from 10.0 to 10.35 a.m. from 11.5 to 11.40 a.m., from 12.15 to 12.55 p.m. From 2.15 to 5.59 p.m. during which time a few enemy aircraft were heard. Not long before the all clear sounded a bomber flew over low and dropped a bomb on Joseph Hood's Rec. & made a crater - saw it afterwards. Our guns fired and scared Uncle Henry who was here. Many bombs dropped on Wimbledon in the night. Some shop windows at Oxford (??) Av. broken by concussion. The nightly smash-up of London began at 8.10 p.m. and was very severe until 1.45 when there was a lull. After an hour's silence the all clear went at 2.45 a.m. on 17 Tues.