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WxSim & NWS Forecast Comparison

National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)
Updated: 30-05-23 at 2:00 am
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
30-05-23 19   9 10   21 24   8 9   23 20   11 8   24 20   8 10   21
29-05-23 19 8.6 10 8 20.2 19 19   7 10   18 25   8 9   21 21   10 8   22
28-05-23 23 9.6 11 9 25.5 22 19 8.6 10 8 20.2 20 19   8 10   20 24   9 10   22
27-05-23 23 11.3 8 10 24.2 22 23 9.6 9 8 25.5 23 19 8.6 8 7 20.2 19 21   7 11   22
26-05-23 20 7.9 8 6 21.1 20 22 11.3 9 9 24.2 21 22 9.6 9 8 25.5 20 19 8.6 10 7 20.2 20
25-05-23 20 7.9 9 7 20.1 21 20 7.9 9 7 21.1 20 22 11.3 8 10 24.2 21 23 9.6 9 9 25.5 22
24-05-23 17 8.2 7 9 17.4 18 19 7.9 9 7 20.1 21 19 7.9 8 7 21.1 19 21 11.3 7 10 24.2 20
23-05-23 17 5.8 12 6 17.8 19 17 8.2 9 9 17.4 16 19 7.9 8 7 20.1 19 18 7.9 8 7 21.1 19
22-05-23 20 12.8 10 12 19.9 21 17 5.8 13 6 17.8 20 18 8.2 8 9 17.4 17 21 7.9 9 8 20.1 20
21-05-23 24 12.8 11 13 23.1 17 21 12.8 10 12 19.9 18 18 5.8 12 7 17.8 18 19 8.2 7 8 17.4 18
20-05-23 20 11.4 10 12 22.3 19 23 12.8 12 13 23.1 18 22 12.8 11 11 19.9 19 19 5.8 11 7 17.8 18
19-05-23 19 9.8 6 10 21.0 14 20 11.4 6 13 22.3 16 23 12.8 11 14 23.1 17 25 12.8 10 12 19.9 22
18-05-23 15 6.9 6 6 17.8 16 19 9.8 7 10 21.0 15 20 11.4 6 11 22.3 17 23 12.8 9 13 23.1 16
17-05-23 16 5.3 6 6 17.8 17 16 6.9 7 6 17.8 16 19 9.8 7 9 21.0 19 19 11.4 9 12 22.3 17
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 0 9 0 8 0 7 0 6 0 7 0 6 0 5 0 4
% Succ     69.2     61.5     58.3     50.0     63.6     54.5     50.0     40.0
Ave Error 10.4   2.0 11.9   2.4 10.3   2.2 11.9   2.7 10.4   2.1 12.1   2.5 11.1   2.3 11.9   2.5
Net Error 10.4   -0.3 -11.9   -1.8 10.3   -0.3 -11.9   -2.2 10.4   -0.9 -12.1   -2.5 11.1   -0.7 -11.9   -2.0
Std Dev 1.8   1.5 2.4   1.9 1.4   1.9 2.7   1.7 0.9   1.8 2.4   1.5 1.1   1.2 2.0   1.4

Updated: 30-05-23 at 3:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F High Low High Low High Low High Low
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
30-05-23 10   21 25   9 9   23 20   11 9   22 20   8 10   20 24   9
29-05-23 8 20.2 20 18 8.6 8 10   19 24   9 9   22 21   10 8   23 22   8
28-05-23 9 25.5 26 19 9.6 11 7 20.2 20 19 8.6 8 10   20 24   10 10   22 23   10
27-05-23 11 24.2 24 23 11.3 11 9 25.5 23 19 9.6 10 8 20.2 20 19 8.6 8 11   22 25   9
26-05-23 7 21.1 21 22 7.9 8 9 24.2 21 22 11.3 8 8 25.5 20 19 9.6 10 7 20.2 21 20 8.6 8
25-05-23 7 20.1 19 20 7.9 8 7 21.1 19 22 7.9 7 10 24.2 21 22 11.3 9 9 25.5 22 20 9.6 9
24-05-23 8 17.4 18 19 8.2 8 7 20.1 20 19 7.9 8 7 21.1 20 21 7.9 7 9 24.2 20 22 11.3 7
23-05-23 6 17.8 18 17 5.8 9 9 17.4 17 19 8.2 8 7 20.1 21 18 7.9 9 7 21.1 20 21 7.9 6
22-05-23 11 19.9 20 17 12.7 11 6 17.8 18 18 5.8 8 10 17.4 16 19 8.2 9 7 20.1 20 19 7.9 8
21-05-23 12 23.1 22 20 12.7 13 12 19.9 21 18 12.7 13 7 17.8 19 18 5.8 8 9 17.4 18 21 8.2 8
20-05-23 12 22.3 23 23 11.4 13 13 23.1 21 22 12.7 12 11 19.9 20 18 12.7 12 7 17.8 18 19 5.8 8
19-05-23 10 21.0 21 20 9.8 9 12 22.3 16 23 11.4 10 13 23.1 17 22 12.7 11 12 19.9 20 18 12.7 12
18-05-23 7 17.8 17 19 6.9 9 10 21.0 17 19 9.8 7 12 22.3 15 23 11.4 6 13 23.1 15 22 12.7 11
17-05-23 6 17.8 17 16 5.3 6 6 17.8 15 19 6.9 7 10 21.0 17 20 9.8 7 12 22.3 19 22 11.4 11
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 0 13 0 11 0 5 0 9 0 6 0 7 0 6 0 8
% Succ     100.0     84.6     41.7     75.0     54.5     63.6     60.0     80.0
Ave Error 11.9   0.5 10.4   1.0 12.0   2.1 10.5   1.1 11.8   2.8 10.3   1.7 12.0   2.2 10.8   1.3
Net Error -11.9   -0.2 10.4   0.5 -12.0   -1.9 10.5   -0.6 -11.8   -2.4 10.3   -0.9 -12.0   -1.9 10.8   -0.8
Std Dev 2.0   0.4 2.4   0.9 2.5   1.7 2.0   0.9 2.6   1.7 1.9   0.8 2.3   1.3 1.0   1.1