SOUTHEND-ON-SEA - C.O.L. station 15m a.m.s.l. Mar-99 Climatological day 18:00 to 18:00 Date Max Min Mean Hum Rain Baro Wind Weather °C °C °C % (mm) (mb) 1 14.0 9.0 11.5 83 0.5 1008 SW6-7 Cloudy some rain, brighter pm, windy. 2 13.5 10.5 12.0 81 0.8 998 SW6-7 Cloudy some rain, brighter pm, windy. 3 11.5 7.0 9.3 93 3.6 984 WSW6 Rain overnight, blustery showers. 4 8.5 5.5 7.0 92 0.0 987 N1 Sunny intervals, light showers, cooler. 5 6.5 2.0 4.3 92 0.0 994 N2 Cloudy & dull, some drizzle, cool. 6 7.0 2.0 4.5 85 0.3 998 NNW2 Cloudy damp start, sunny intervals. 7 5.0 3.0 4.0 100 6.6 1000 W3 Cold & wet all day. 8 8.0 2.0 5.0 100 1.0 1000 SE2 Bright intervals, cool. 9 8.0 3.0 5.5 93 0.0 1006 SW2 Some sunny intervals pm. 10 7.0 2.0 4.5 85 0.3 1014 SW2 Sunny intervals. 11 7.5 -2.5 2.5 93 0.0 1012 SE4 Frost overnight, hazy, cool wind, spots eve. 12 13.5 3.0 8.3 94 0.3 1008 S1 Sunny intervals, mild. 13 15.5 8.0 11.8 68 1.0 1012 W2 Cloudy start, sunny periods, mild. 14 16.0 4.0 10.0 69 0.0 1025 W2 Sunny. 15 15.0 2.0 8.5 75 0.0 1028 SE1 Cloudy start, sunny periods pm, mild. 16 15.0 1.5 8.3 76 0.0 1028 SW1 Grnd frost o/n, sunny periods, mild. 17 18.0 5.0 11.5 100 0.0 1027 SW1 Some early mist, sunny & warm. 18 13.0 4.5 8.8 69 0.0 1022 NW4 Sunny intervals, cooler. 19 11.0 3.5 7.3 74 0.0 1025 NW4 Mainly cloudy. 20 12.0 5.0 8.5 66 0.0 1023 NW2 Sunny start, mainly cloudy. 21 12.5 6.0 9.3 86 6.9 998 SW4 Wet & windy start, showers pm. 22 9.5 4.5 7.0 73 1.5 1012 NW4 Sunny intervals am, cloudy pm. 23 16.0 8.5 12.3 72 0.5 1009 WNW2 Cloudy start, sunny ints mild. 24 14.0 8.5 11.3 81 0.0 1006 W3 Mainly cloudy. 25 14.0 4.5 9.3 94 0.0 993 SW2 Hazy sunny ints am, cloudy pm. 26 11.0 5.0 8.0 100 5.8 999 SE1 Rain am, brighter later. 27 14.5 0.5 7.5 59 0.0 1003 NW2 Grnd frost o/n, sunny. 28 17.5 1.5 9.5 55 0.0 1013 WSW2 Sunny & mild. 29 14.5 7.0 10.8 83 0.0 1011 SW5 Mainly cloudy. 30 13.5 10.0 11.8 100 2.3 1012 SW2 Cloudy, some rain and drizzle. 31 20.5 9.5 15.0 70 0.0 1012 SSW2 Sunny & warm. Aver. 12.4 4.7 8.3 82.6 31.2 1008.6