WxSim & WU Forecast Comparison

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

Updated: 12-05-21 at 5:00 am
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F 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
12-05-21 15   16 5   9 15   17 5   9 13   14 5   8 12   12 6   8
11-05-21 15 15.8 17 6 6.8 7 15   16 6   8 14   16 6   9 13   13 5   5
10-05-21 15 15.9 16 6 6.6 8 14 15.8 17 6 6.8 10 15   14 6   7 15   13 6   9
09-05-21 17 16.1 15 8 9.7 10 15 15.9 16 5 6.6 7 16 15.8 14 5 6.8 7 16   14 5   8
08-05-21 15 14.1 11 11 12.1 9 17 16.1 14 8 9.7 9 16 15.9 15 5 6.6 7 16 15.8 14 6 6.8 8
07-05-21 11 11.9 12 1 3.3 4 14 14.1 9 11 12.1 8 17 16.1 13 8 9.7 8 16 15.9 15 6 6.6 7
06-05-21 11 9.4 11 1 1.3 2 11 11.9 11 1 3.3 3 12 14.1 7 10 12.1 7 17 16.1 14 7 9.7 8
05-05-21 11 9.6 10 -1 0.9 3 11 9.4 10 1 1.3 3 12 11.9 12 0 3.3 5 12 14.1 11 9 12.1 7
04-05-21 8 8.3 7 0 1.2 3 11 9.6 10 -1 0.9 2 11 9.4 9 0 1.3 2 12 11.9 9 2 3.3 4
03-05-21 10 10.1 10 4 4.6 6 8 8.3 8 0 1.2 5 11 9.6 9 -2 0.9 3 10 9.4 9 1 1.3 3
02-05-21 12 10.4 13 1 4.2 5 10 10.1 8 4 4.6 6 9 8.3 8 0 1.2 5 10 9.6 8 -2 0.9 3
01-05-21 10 8.1 11 -1 1.5 0 13 10.4 13 1 4.2 4 11 10.1 9 4 4.6 5 9 8.3 7 1 1.2 4
30-04-21 10 9.3 11 0 2.0 2 10 8.1 11 0 1.5 2 13 10.4 13 2 4.2 5 11 10.1 7 5 4.6 5
29-04-21 10 8.5 10 0 1.2 2 10 9.3 11 0 2.0 4 11 8.1 11 -1 1.5 2 13 10.4 13 1 4.2 5
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 13 10 10 11 11 7 10 9 8 7 6 8 8 5 6 7
% Succ 100.0   76.9 76.9   84.6 91.7   58.3 83.3   75.0 72.7   63.6 54.5   72.7 80.0   50.0 60.0   70.0
Ave Error 1.0   1.4 1.5   1.1 1.1   1.7 1.5   1.6 1.2   1.9 1.9   1.6 0.9   2.0 1.6   1.7
Net Error 0.6   0.5 -1.5   0.4 0.4   -0.1 -1.5   0.7 0.8   -0.9 -1.9   0.3 0.4   -1.5 -1.5   0.3
Std Dev 0.5   1.0 0.8   0.8 0.7   1.3 0.7   1.3 0.7   1.9 0.6   1.4 0.6   0.8 0.8   1.2

Updated: 11-05-21 at 12:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F 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
11-05-21 15   16 6   6 15   15 5   8 14   16 5   8 13   12 5   5
10-05-21 16 15.9 14 5 6.6 5 16   15 5   8 15   14 6   6 14   13 6   8
09-05-21 17 16.1 15 8 9.6 8 15 15.9 14 6 6.6 6 16   13 5   7 16   14 5   8
08-05-21 15 14.1 11 11 11.7 8 16 16.1 13 8 9.6 8 15 15.9 15 5 6.6 5 16   15 5   8
07-05-21 11 11.9 11 1 3.3 3 14 14.1 8 11 11.7 7 16 16.1 13 7 9.6 8 16 15.9 14 5 6.6 6
06-05-21 9 9.4 10 -1 1.3 1 11 11.9 11 0 3.3 2 14 14.1 7 10 11.7 6 17 16.1 14 8 9.6 8
05-05-21 9 9.6 10 -1 0.9 2 11 9.4 10 1 1.3 2 12 11.9 12 0 3.3 4 12 14.1 11 9 11.7 7
04-05-21 8 8.3 9 1 1.2 4 11 9.6 10 -1 0.9 2 10 9.4 10 1 1.3 2 12 11.9 10 1 3.3 4
03-05-21 9 10.1 10 4 4.6 4 8 8.3 6 0 1.2 3 10 9.6 8 -2 0.9 2 10 9.4 9 0 1.3 3
02-05-21 11 10.4 12 1 4.2 2 10 10.1 8 4 4.6 5 8 8.3 7 0 1.2 4 10 9.6 8 -1 0.9 3
01-05-21 9 8.1 10 -1 1.5 -1 12 10.4 13 1 4.2 3 10 10.1 8 4 4.6 5 9 8.3 7 0 1.2 4
30-04-21 9 9.3 9 1 2.0 0 10 8.1 10 -1 1.5 0 13 10.4 13 1 4.2 4 11 10.1 7 4 4.6 5
29-04-21 9 8.5 9 -1 1.2 0 10 9.3 10 -1 2.0 2 11 8.1 11 0 1.5 1 13 10.4 13 1 4.2 4
28-04-21 10 9.8 11 1 1.9 2 10 8.5 10 -1 1.2 2 10 9.3 9 0 2.0 4 11 8.1 12 -1 1.5 2
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 13 12 8 9 12 7 7 11 9 6 7 9 7 5 6 7
% Succ 100.0   92.3 61.5   69.2 100.0   58.3 58.3   91.7 81.8   54.5 63.6   81.8 70.0   50.0 60.0   70.0
Ave Error 0.6   1.1 1.6   1.5 0.9   2.0 1.8   1.3 0.8   2.1 1.9   1.6 1.1   2.2 1.9   1.5
Net Error 0.0   0.0 -1.6   -0.9 0.5   -0.7 -1.8   -0.5 0.5   -0.9 -1.9   -0.2 0.7   -0.9 -1.9   0.1
Std Dev 0.3   0.8 0.8   1.0 0.6   1.4 1.0   1.1 0.5   1.8 0.9   1.4 0.6   0.7 0.4   1.1

Updated: 11-05-21 at 6:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F 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
11-05-21 15   5 6   15 15   7 5   16 14   8 5   12 13   4 5   12
10-05-21 5 6.6 14 16 15.9 5 6   15 16   8 6   14 14   6 6   13 13   8
09-05-21 8 16.1 8 15 9.6 14 5 6.6 6 15 15.9 13 6   7 16   14 5   8 16   16
08-05-21 11 11.7 12 16 14.1 15 8 16.1 10 15 9.6 15 5 6.6 7 16 15.9 15 5   8 16   13
07-05-21 1 3.3 2 14 11.9 8 11 11.7 7 16 14.1 13 7 16.1 8 16 9.6 15 5 6.6 5 16 15.9 15
06-05-21 -1 1.3 0 11 9.4 11 0 3.3 2 14 11.9 7 11 11.7 6 16 14.1 14 8 16.1 8 16 9.6 16
05-05-21 -1 0.9 1 11 9.6 10 0 1.3 2 11 9.4 12 0 3.3 4 11 11.9 11 9 11.7 7 16 14.1 13
04-05-21 0 1.2 10 11 8.3 3 -1 0.9 9 10 9.6 3 1 1.3 14 12 9.4 3 1 3.3 12 12 11.9 5
03-05-21 4 10.1 5 8 4.6 7 0 1.2 4 11 8.3 9 -1 0.9 2 11 9.6 9 0 1.3 2 12 9.4 11
02-05-21 1 4.2 3 10 10.4 7 4 10.1 4 8 4.6 7 0 1.2 4 10 8.3 8 -1 0.9 3 10 9.6 7
01-05-21 -1 1.5 11 12 8.1 1 1 4.2 10 9 10.4 3 4 10.1 8 9 4.6 5 0 1.2 10 10 8.3 4
30-04-21 0 9.3 1 10 2.0 10 -1 1.5 0 13 8.1 13 1 4.2 4 12 10.4 7 4 10.1 5 10 4.6 9
29-04-21 -1 1.2 0 10 8.5 10 0 9.3 2 10 2.0 11 0 1.5 1 13 8.1 13 1 4.2 4 13 10.4 8
28-04-21 1 1.9 11 10 9.8 2 0 1.2 11 11 8.5 3 0 9.3 11 11 2.0 2 -1 1.5 13 13 8.1 1
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 5 6 7 4 6 4 5 2 6 6 6 7 4 3 5 3
% Succ 38.5   46.2 53.8   30.8 50.0   33.3 41.7   16.7 54.5   54.5 54.5   63.6 40.0   30.0 50.0   30.0
Ave Error 3.3   4.7 2.5   4.4 3.4   4.6 2.9   4.5 3.5   3.3 3.2   2.1 3.1   5.2 2.6   3.8
Net Error -3.3   0.7 2.4   -1.5 -3.4   0.0 2.6   -0.3 -3.5   0.3 3.0   -0.2 -3.1   1.2 2.6   -1.3
Std Dev 2.6   3.5 2.1   3.0 2.1   2.5 1.5   2.0 2.5   3.6 1.8   2.0 1.8   2.5 1.8   2.0

Updated: 11-05-21 at 9:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F 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
11-05-21 6   6 15   15 5   7 15   16 5   8 13   13 5   5 13   12
10-05-21 5 8.4 7 15 15.9 17 6   9 15   15 5   7 14   14 6   8 13   13
09-05-21 8 10.0 10 15 16.1 15 6 8.4 7 14 15.9 16 6   9 16   13 6   6 15   14
08-05-21 11 12.6 12 17 14.1 16 8 10.0 10 15 16.1 16 5 8.4 7 16 15.9 14 6   8 16   13
07-05-21 0 12.8 3 14 11.9 9 11 12.6 8 17 14.1 13 8 10.0 8 16 16.1 14 5 8.4 6 15 15.9 15
06-05-21 -1 5.4 2 11 9.4 12 1 12.8 3 14 11.9 8 11 12.6 7 17 14.1 14 8 10.0 8 16 16.1 16
05-05-21 -2 3.6 2 11 9.6 11 1 5.4 2 11 9.4 11 1 12.8 4 12 11.9 11 10 12.6 7 17 14.1 13
04-05-21 1 3.8 3 11 8.3 10 -1 3.6 2 11 9.6 10 2 5.4 2 12 9.4 10 0 12.8 4 11 11.9 11
03-05-21 4 3.8 5 8 10.1 8 0 3.8 4 11 8.3 10 -2 3.6 2 11 9.6 9 0 5.4 1 12 9.4 13
02-05-21 1 5.8 4 10 10.4 9 4 3.8 6 8 10.1 8 0 3.8 5 10 8.3 8 -2 3.6 3 10 9.6 10
01-05-21 -1 6.9 0 12 8.1 13 1 5.8 4 10 10.4 9 4 3.8 5 8 10.1 8 0 3.8 4 10 8.3 8
30-04-21 1 3.2 2 11 9.3 11 -1 6.9 1 13 8.1 13 1 5.8 5 11 10.4 7 4 3.8 5 9 10.1 9
29-04-21 -1 4.2 0 10 8.5 10 -1 3.2 2 10 9.3 11 0 6.9 1 13 8.1 13 2 5.8 4 12 10.4 7
28-04-21 1 3.2 2 10 9.8 10 -1 4.2 1 10 8.5 10 0 3.2 3 11 9.3 11 -1 6.9 1 13 8.1 13
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 3 9 8 9 3 6 7 9 3 7 7 7 2 5 7 7
% Succ 23.1   69.2 61.5   69.2 25.0   50.0 58.3   75.0 27.3   63.6 63.6   63.6 20.0   50.0 70.0   70.0
Ave Error 4.4   2.6 1.7   1.9 4.4   2.9 1.9   1.7 4.2   2.9 1.7   1.7 4.8   3.3 1.7   1.7
Net Error -4.4   -2.4 1.0   0.7 -4.4   -2.5 1.0   0.3 -4.2   -2.5 1.3   -0.4 -4.7   -3.0 1.1   0.1
Std Dev 3.1   2.7 0.9   1.0 2.9   2.6 1.1   1.4 2.8   2.2 1.0   0.8 2.8   2.2 0.9   1.0