Forecast Comparison — All Runs

Weather Underground/TWC (WU), Station Observed (Act), WxSim Generated (WS)

Morning (AM)

Updated: 10-04-26 at 7:55 am
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
10-04-26 21   20 12   11 22   20 12   11 21   21 14   15 15   16 8   10
10-03-26 21 20.0 18 11 10.4 9 21   19 12   10 22   21 13   11 22   21 13   11
10-02-26 22 20.9 18 12 11.4 11 21 20.0 18 10 10.4 12 22   21 13   10 23   21 13   12
10-01-26 21 20.6 21 12 10.7 11 22 20.9 18 13 11.4 13 22 20.0 20 11 10.4 11 22   19 13   12
09-30-26 23 23.6 24 14 13.8 16 21 20.6 21 11 10.7 12 22 20.9 21 12 11.4 13 22 20.0 21 12 10.4 10
09-29-26 26 23.4 24 20 19.8 18 22 23.6 24 14 13.8 15 21 20.6 21 12 10.7 10 22 20.9 20 12 11.4 11
09-28-26 20 19.4 19 16 16.3 14 25 23.4 21 20 19.8 18 22 23.6 21 14 13.8 14 21 20.6 20 12 10.7 11
09-27-26 23 22.7 20 12 13.4 12 19 19.4 17 15 16.3 13 25 23.4 21 20 19.8 17 21 23.6 20 14 13.8 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 6 5 7 5 6 3 6 5 5 3 5 4 3 3 4 4
% Succ 85.7   71.4 100.0   71.4 100.0   50.0 100.0   83.3 100.0   60.0 100.0   80.0 75.0   75.0 100.0   100.0
Ave Error 0.9   1.3 0.7   1.4 1.0   1.7 0.7   1.8 1.3   1.1 0.6   1.2 1.5   1.5 0.9   0.5
Net Error 0.8   -0.9 0.2   -0.7 0.4   -1.5 0.1   0.1 0.7   -0.9 0.6   -0.2 0.2   -1.0 0.9   -0.3
Std Dev 0.7   0.9 0.4   0.7 0.3   0.9 0.5   0.3 0.3   0.7 0.0   0.3 0.0   0.0 0.0   0.0

Afternoon (PM)

Updated: 10-04-26 at 1:55 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
10-04-26 23   21 12   12 22   21 12   11 21   20 14   14 15   16 8   9
10-03-26 21 20.0 21 11 10.4 11 22   20 11   11 21   21 12   11 21   21 13   14
10-02-26 22 20.9 21 12 11.4 11 21 20.0 19 11 10.4 11 22   20 12   10 22   20 13   13
10-01-26 22 20.6 20 12 10.7 10 22 20.9 19 13 11.4 12 22 20.0 20 10 10.4 11 22   20 13   14
09-30-26 25 23.6 24 14 13.8 14 21 20.6 20 11 10.7 11 22 20.9 20 12 11.4 11 22 20.0 20 12 10.4 13
09-29-26 25 23.4 24 20 19.8 19 22 23.6 23 13 13.8 15 21 20.6 21 11 10.7 12 22 20.9 19 12 11.4 12
09-28-26 20 19.4 20 16 16.3 15 25 23.4 22 20 19.8 18 22 23.6 21 13 13.8 14 21 20.6 20 11 10.7 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 6 6 6 6 5 5 5 5 4 3 4 4 3 3 3 2
% Succ 100.0   100.0 100.0   100.0 100.0   100.0 100.0   100.0 100.0   75.0 100.0   100.0 100.0   100.0 100.0   66.7
Ave Error 1.2   0.6 0.5   0.7 1.1   1.1 0.7   0.9 1.3   1.0 0.5   0.6 1.2   0.8 0.8   1.3
Net Error 1.2   0.4 0.4   -0.4 0.5   -1.1 0.4   0.2 0.5   -0.8 -0.1   0.4 1.2   -0.8 0.8   0.8
Std Dev 0.2   0.3 0.4   0.2 0.3   0.4 0.4   0.3 0.4   0.5 0.1   0.0 0.0   0.0 0.0   0.0

Evening (EV)

Updated: 10-04-26 at 5:55 pm
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
10-04-26 13   13 22   22 12   12 21   20 14   14 15   15 8   9 15   13
10-03-26 12 10.4 11 22 20.0 21 11   11 21   21 12   12 21   19 14   12 16   13
10-02-26 12 11.4 12 21 20.9 19 11 10.4 11 22 20.0 20 12   11 22   19 13   13 22   18
10-01-26 12 10.7 11 22 20.6 21 13 11.4 12 22 20.9 20 11 10.4 13 22 20.0 21 13   11 22   21
09-30-26 14 13.8 13 21 23.6 20 12 10.7 10 22 20.6 19 12 11.4 10 22 20.9 20 12 10.4 8 22 20.0 19
09-29-26 20 19.8 18 22 23.4 23 14 13.8 15 21 23.6 20 12 10.7 10 22 20.6 19 12 11.4 10 22 20.9 20
09-28-26 16 16.3 14 25 19.4 23 20 19.8 17 22 23.4 23 13 13.8 15 21 23.6 20 12 10.7 11 22 20.6 20
09-27-26 13 13.4 12 19 22.7 18 16 16.3 12 24 19.4 21 20 19.8 15 21 23.4 19 14 13.8 14 21 23.6 20
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 7 6 4 4 6 4 4 5 5 3 3 3 4 3 3 3
% Succ 100.0   85.7 57.1   57.1 100.0   66.7 66.7   83.3 100.0   60.0 60.0   60.0 100.0   75.0 75.0   75.0
Ave Error 0.7   1.1 2.4   2.2 0.7   1.7 2.2   1.4 0.7   2.1 1.9   2.3 0.9   1.1 1.8   1.5
Net Error 0.5   -0.7 0.2   -0.8 0.6   -0.9 0.9   -0.8 0.4   -0.6 -0.1   -1.9 0.9   -0.8 0.5   -1.5
Std Dev 0.5   0.7 1.6   1.3 0.5   0.8 0.6   1.1 0.1   0.4 0.4   0.9 0.0   0.0 0.0   0.0

Night (NI)

Updated: 10-04-26 at 9:55 pm
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
10-04-26 12   12 22   21 13   11 21   20 14   13 15   15 8   8 15   13
10-03-26 12 10.4 11 22 21.6 21 12   11 22   21 12   12 22   19 14   12 16   13
10-02-26 12 11.4 12 21 20.0 20 11 10.4 11 22 21.6 20 12   11 22   19 13   14 22   19
10-01-26 12 10.7 11 22 20.9 21 13 11.4 11 22 20.0 19 10 10.4 13 22 21.6 21 14   11 22   21
09-30-26 14 13.8 13 21 20.6 21 11 10.7 10 22 20.9 19 12 11.4 11 22 20.0 20 10 10.4 9 21 21.6 19
09-29-26 20 19.8 19 23 23.6 23 14 13.8 15 21 20.6 20 12 10.7 10 22 20.9 20 13 11.4 10 22 20.0 20
09-28-26 16 16.3 15 26 23.4 23 20 19.8 18 23 23.6 23 14 13.8 15 21 20.6 20 12 10.7 11 22 20.9 19
09-27-26 13 13.4 15 19 19.4 20 15 16.3 14 24 23.4 21 20 19.8 16 21 23.6 20 14 13.8 15 21 20.6 20
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 7 7 6 7 6 5 6 5 5 3 4 4 4 4 4 3
% Succ 100.0   100.0 85.7   100.0 100.0   83.3 100.0   83.3 100.0   60.0 80.0   80.0 100.0   100.0 100.0   75.0
Ave Error 0.7   0.9 0.9   0.4 0.7   1.2 0.9   1.4 0.5   1.7 1.3   1.1 0.9   1.1 1.0   1.3
Net Error 0.5   0.0 0.6   -0.1 0.3   -0.6 0.6   -1.4 0.4   -0.2 0.3   -1.1 0.7   -0.3 0.7   -1.3
Std Dev 0.5   0.3 0.7   0.2 0.5   0.4 0.5   0.4 0.1   0.7 0.5   0.6 0.0   0.0 0.0   0.0