SOUTHEND-ON-SEA - C.O.L. station 15m a.m.s.l. May-99 Climatological day 18:00 to 18:00 Date Max Min Mean Hum Rain Baro Wind Weather °C °C °C % (mm) (mb) 1 22.5 5.0 13.8 58 0.0 1013 E2 Some early mist, sunny & warm, hazy pm. 2 17.0 10.0 13.5 60 0.0 1022 E2 Cloudy start, hazy sunshine. 3 19.5 6.0 12.8 69 0.0 1022 E3 Sunny, cool breeze pm. 4 14.5 9.5 12.0 72 0.0 1016 E4 Hazy sunny intervals. 5 16.0 10.0 13.0 94 0.0 1013 E4 Mainly cloudy. 6 19.0 10.0 14.5 71 0.5 1016 SW3 Sunny intervals, shower am. 7 16.5 6.5 11.5 89 0.8 1010 S2 Mainly cloudy, some rain. 8 18.5 9.0 13.8 74 0.0 1013 SW5 Sunny intervals, cloudy pm. 9 22.0 11.5 16.8 61 0.0 1017 SW4 Sunny intervals, hazy, warm. 10 21.0 13.5 17.3 60 0.0 1011 SW4 Sunny intervals, blustery showers pm. 11 20.5 10.5 15.5 66 0.0 1009 SW4 Sunny intervals. 12 18.0 10.0 14.0 79 5.3 1011 WSW4 Sunny intervals, showers pm. 13 18.0 10.5 14.3 65 0.8 1010 W3 Sunny intervals, isolated showers. 14 17.0 10.0 13.5 100 8.4 1011 W2 Sunny intervals, heavy showers pm. 15 14.0 9.0 11.5 57 0.0 1022 NE4 Cloudy am, sunny ints pm, cooler. 16 14.0 5.5 9.8 77 0.0 1024 NE3 Sunny intervals am, mainly cloudy. 17 15.0 7.5 11.3 72 0.8 1020 ENE6 Sunny intervals, windy, cool. 18 13.5 10.0 11.8 100 2.8 1015 NE5 Rain & showers most of day. 19 20.0 8.0 14.0 89 0.0 1013 N2 Mostly sunny. 20 21.0 10.0 15.5 73 0.0 1012 W3 Sunny intervals. 21 22.5 10.5 16.5 78 0.0 1014 SW3 Sunny periods, cloudy eve. 22 18.5 9.5 14.0 57 0.0 1018 W4 Sunny intervals. 23 20.0 10.5 15.3 71 0.0 1020 W3 Bright am, sunny periods, warm pm. 24 19.0 12.5 15.8 89 0.0 1018 WSW3 Mainly cloudy, bright spells. 25 20.5 10.0 15.3 61 0.0 1018 W2 Sunny. 26 23.0 9.0 16.0 79 0.0 1016 W2 Sunny periods, warm. 27 23.0 9.5 16.3 73 0.0 1013 SW2 Sunny & warm. 28 22.0 15.5 18.8 70 0.0 1016 SW5 Sunny intervals, breezy. 29 21.5 10.5 16.0 69 0.3 1016 ENE4 Sunny periods, thunder 8pm. 30 15.5 12.5 14.0 100 0.3 1018 ENE5 Thundery east early, cloudy, windy, drizzle. 31 16.0 9.0 12.5 89 0.0 1025 E3 Cloudy, sunny intervals later. Aver. 18.7 9.7 14.3 74.9 19.8 1015.9