, ,HEATHROW,UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND,Lat:51.47N,Long:0.45W,Height:24 (m) , Year,Month,Mean Temp.,Max.Temp.(Monthly Mean),Min.Temp.(Monthly Mean),Precip.,Mean Temp. Normal,Precip. Normal, SPI 3-Month, SPI 6-Month, SPI 12-Month ,,[degC],[degC],[degC],[mm],[degC],[mm]) 2017, 3, 10.5, 14.1, 6.8, 26, 8.0, 41.7, , , 2017, 4, 10.9, 15.8, 5.9, 5, 10.5, 42.6, , , 2017, 5, 15.1, 19.7, 10.4, 65, 13.7, 46.9, , , 2017, 6, 18.9, 23.9, 13.9, 46, 16.8, 49.7, , , 2017, 7, 19.4, 23.8, 14.9, 90, 19.0, 47.2, , , 2017, 8, 17.8, 21.9, 13.5, 59, 18.7, 57.7, , , 2017, 9, 15.1, 19.1, 11.0, 59, 15.9, 46.1, , , 2017, 10, 13.8, 17.0, 10.5, 11, 12.3, 66.3, , , 2017, 11, 8.0, 10.9, 4.9, 34, 8.5, 69.3, , , 2017, 12, 5.9, 8.2, 3.5, 81, 6.1, 59.6, , , 2018, 1, 6.9, 9.2, 4.5, 58, 5.7, 59.7, , , 2018, 2, 3.8, 6.6, 1.0, 25, 6.0, 46.6, , , 2018, 3, 6.4, 9.5, 3.2, 85, 8.0, 41.7, , , 2018, 4, 11.6, 15.2, 7.8, 65, 10.5, 42.6, , , 2018, 5, 15.4, 20.8, 9.9, 58, 13.7, 46.9, , , 2018, 6, 18.7, 24.2, 13.1, 0, 16.8, 49.7, , , 2018, 7, 22.3, 28.2, 16.3, 15, 19.0, 47.2, , , 2018, 8, 19.5, 24.4, 14.5, 48, 18.7, 57.7, , , 2018, 9, 15.9, 20.9, 10.9, 29, 15.9, 46.1, , , 2018, 10, 12.5, 16.3, 8.5, 61, 12.3, 66.3, , , 2018, 11, 9.2, 12.1, 6.2, 74, 8.5, 69.3, , , 2018, 12, 8.1, 10.4, 5.8, 61, 6.1, 59.6, , , 2019, 1, 4.9, 7.4, 2.3, 33, 5.7, 59.7, , , 2019, 2, 8.0, 12.3, 3.6, 34, 6.0, 46.6, , ,