Latest temperature (min, max, mean) forecast for Heathrow

Recent observations
YYYYMMDD     OBS   Min   Max  Mean
20180912     OBS  12.2 -99.9 -99.9
20180913     OBS   7.7  20.9  14.3
20180914     OBS  10.3  18.6  14.5
20180915     OBS  10.4 -99.9 -99.9
20180916     OBS -99.9  24.2 -99.9
20180917     OBS -99.9 -99.9 -99.9
20180918     OBS -99.9  23.5 -99.9
20180919     OBS  16.7  23.7  20.2
20180920     OBS -99.9  21.9 -99.9
20180921     OBS  10.9  17.7  14.3
20180922     OBS  11.0  13.3  12.1
Latest forecasts
                                  Confidence EnsembleSpread
YYYYMMDD     DAY   Min   Max  Mean Min Max   Min   Max
20180923     000  11.   15.   13.  Hi  -     0.2   0.5
20180924     001   7.   16.   11.  -   -     0.2   0.2
20180925     002   7.   18.   12.  -   Hi    0.4   0.3
20180926     003   9.   21.   15.  -   -     0.6   0.4
20180927     004  11.   23.   17.  -   -     1.1   0.5
20180928     005  11.   16.   14.  -   -     1.5   1.9
20180929     006   7.   16.   12.  -   -     1.1   0.7
20180930     007   7.   17.   12.  -   -     0.8   1.4
20181001     008   7.   15.   11.  -   Lo    1.1   2.5
20181002     009   6.   15.   11.  -   -     2.4   2.6
20181003     010   7.   17.   12.  -   Lo    2.6   3.1
20181004     011   8.   15.   12.  -   Lo    2.5   2.4
20181005     012   7.   15.   11.  -   Lo    2.1   2.4
20181006     013   7.   16.   11.  -   Lo    2.1   1.8
20181007     014   8.   16.   12.  -   Lo    2.4   2.7
20181008     015   9.   16.   12.  -   Lo    3.4   3.0

-99.9 denotes missing data

For forecasts:

This page is maintained by r.brugge@reading.ac.uk