WXSIM: Chelmer Village
Updated: Thursday, 28.05.2020 10:00
 
This
afternoon
Clear
Clear
Tonight

Clear
Clear
Friday

Sunny
Sunny
Friday
night
Clear
Clear
Saturday

Sunny
Sunny
Saturday
night
Clear
Clear
Sunday

Sunny
Sunny
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Fog late
Fog late
<2 mm.
High: 22° Low: 9° High: 21° Low: 8° High: 22° Low: 10° High: 22° Low: 9° High: 24° Low: 8°






























 

WU Forecast: Chelmsford

Tonight
Clear
Clear
Tomorrow
Sunny
Sunny
Tomorrow night
Clear
Clear
Saturday
Sunny
Sunny
Saturday night
Clear
Clear
Sunday
Sunny
Sunny
Sunday night
Mostly Clear
Mostly Clear
Monday
Mostly Sunny
Mostly Sunny
Monday night
Mostly Clear
Mostly Clear
8°C20°C8°C22°C11°C21°C10°C22°C11°C

WXSIM Forecast Accuracy

Actual Observed (Act), WxSim Generated (WS) , Weather Underground (WU)

Morning

Updated: 05-28-20 at 4:00 am
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° C Low High Low High Low High Low High
Date WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS
05-28-20 22   20 10   9 23   21 9   8 24   22 12   10 23   21 11   10
05-27-20 26 10 22 10 24 9 22   21 10   8 23   21 10   8 25   22 12   9
05-26-20 25 11 25 13 28 11 26 10 22 10 24 8 23   21 10   8 23   21 10   10
05-25-20 26 11 24 11 27 9 26 11 25 14 28 13 25 10 21 11 24 8 23   21 11   8
05-24-20 23 9 22 10 23 8 25 11 24 10 27 9 25 11 24 13 28 10 26 10 23 12 24 9
05-23-20 18 11 20 10 21 11 23 9 22 11 23 9 25 11 24 11 27 9 26 11 25 14 28 11
05-22-20 21 11 23 11 25 12 19 11 20 10 21 10 23 9 24 11 23 9 25 11 23 11 27 9
05-21-20 26 13 25 16 29 15 22 11 22 11 25 11 19 11 21 10 21 10 23 9 24 10 23 10
Results WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS
# Succ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Succ     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0
Ave Error 12.7   12.1 13.7   14.6 13.0   12.0 13.7   14.7 13.0   12.4 13.4   15.4 14.8   13.5 13.8   15.8
Net Error 12.7   12.1 -13.7   -14.6 13.0   12.0 -13.7   -14.7 13.0   12.4 -13.4   -15.4 14.8   13.5 -13.8   -15.8
Std Dev 5.6   4.8 5.4   6.0 7.7   7.0 8.0   8.6 10.1   9.6 10.4   12.0 14.8   13.5 13.8   15.8

Afternoon

Updated: 05-27-20 at 4:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° C High Low High Low High Low High Low
Date WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS
05-27-20 11   10 22   21 10   9 23   21 10   8 24   22 12   9 24   22
05-26-20 13 24 12 26 11 23 11   9 23   21 11   9 23   22 11   10 25   23
05-25-20 11 28 10 25 11 25 14 24 13 26 11 21 11   8 22   21 10   9 22   21
05-24-20 10 27 9 25 9 24 11 28 8 26 11 24 14 24 10 26 11 22 12   9 23   21
05-23-20 10 23 10 22 11 21 10 27 9 25 9 23 11 28 9 25 11 24 13 24 11 26 11 24
05-22-20 11 21 11 18 11 20 10 23 10 23 11 23 10 27 9 25 9 24 11 28 9 26 11 25
Results WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS
# Succ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
% Succ     0.0     0.0     0.0     0.0     0.0     0.0     0.0     0.0
Ave Error 13.6   14.2 12.6   12.0 14.3   15.5 14.5   12.3 14.7   17.0 15.0   13.0 14.0   16.0 15.0   13.5
Net Error -13.6   -14.2 12.6   12.0 -14.3   -15.5 14.5   12.3 -14.7   -17.0 15.0   13.0 -14.0   -16.0 15.0   13.5
Std Dev 6.6   6.9 6.0   5.7 10.4   11.4 10.3   8.7 14.7   17.0 15.0   13.0 14.0   16.0 15.0   13.5