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Forecast Comparison

National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)

Early Morning Forecast

Updated: 22 Sep 2017 at 05:55
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
22 Sep 2017 76   79 64   63 83   83 66   65 84   85 66   66 83   83 66   65
21 Sep 2017 81 76.2 80 63 70.4 66 75   76 65   61 78   78 67   62 80   81 68   65
20 Sep 2017 78 76.8 79 67 69.6 69 80 76.2 81 62 70.4 63 76   79 62   64 79   83 65   65
19 Sep 2017 72 73.7 78 66 69.2 68 77 76.8 79 66 69.6 67 81 76.2 83 62 70.4 65 76   81 62   63
18 Sep 2017 73 73.6 75 67 67.2 65 71 73.7 71 66 69.2 68 76 76.8 79 67 69.6 69 76 76.2 80 63 70.4 64
17 Sep 2017 77 80.3 82 64 65.1 66 74 73.6 79 65 67.2 68 73 73.7 72 65 69.2 68 77 76.8 81 65 69.6 66
16 Sep 2017 78 78.9 83 65 69.6 68 78 80.3 81 65 65.1 66 73 73.6 75 64 67.2 65 73 73.7 71 64 69.2 67
15 Sep 2017 80 84.7 83 67 67.1 68 78 78.9 83 65 69.6 67 77 80.3 80 64 65.1 65 74 73.6 73 64 67.2 67
14 Sep 2017 79 86.3 81 67 68.4 69 79 84.7 82 66 67.1 69 80 78.9 82 63 69.6 69 77 80.3 82 62 65.1 69
13 Sep 2017 78 86.4 80 66 60 67 77 86.3 80 66 68.4 68 78 84.7 82 65 67.1 68 79 78.9 83 65 69.6 68
12 Sep 2017 81 80.4 82 62 55.6 63 79 86.4 82 66 60 67 80 86.3 83 66 68.4 69 78 84.7 79 64 67.1 68
11 Sep 2017 78 80 80 59 55.8 61 82 80.4 82 59 55.6 64 78 86.4 80 66 60 66 81 86.3 84 66 68.4 67
10 Sep 2017 72 76.8 77 55 58.5 58 74 80 80 59 55.8 62 79 80.4 81 63 55.6 65 75 86.4 79 63 60 67
09 Sep 2017 71 74.1 73 55 57.9 55 72 76.8 77 55 58.5 58 76 80 81 59 55.8 61 75 80.4 80 61 55.6 64
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 6 7 4 7 4 4 2 6 5 5 1 6 5 3 0 4
% Succ 46.2   53.8 30.8   53.8 33.3   33.3 16.7   50.0 45.5   45.5 9.1   54.5 50.0   30.0     40.0
Ave Error 3.3   2.6 3.3   2.7 3.8   2.9 3.5   3.3 3.5   2.7 4.3   2.9 3.4   3.3 4.2   3.6
Net Error -2.3   0.4 -0.9   0.7 -2.8   0.2 -1.4   0.9 -2.4   0.1 -1.3   1.1 -3.2   -0.5 -2.5   0.5
Std Dev 2.6   2.0 2.4   2.5 3.1   2.0 2.5   3.0 2.8   2.1 3.0   2.4 3.0   2.3 2.9   2.8

Late Morning Forecast

Updated: 21 Sep 2017 at 09:55
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
21 Sep 2017 81   78 63   65 75   76 65   60 78   78 67   62 80   82 68   65
20 Sep 2017 78 76.8 79 67 70.4 69 80   81 62   64 76   78 62   63 79   82 65   65
19 Sep 2017 72 73.7 79 66 69.6 68 77 76.8 80 66 70.4 67 81   82 62   63 76   80 62   59
18 Sep 2017 73 73.6 75 67 69.2 67 71 73.7 71 66 69.6 68 76 76.8 79 67 70.4 68 76   82 63   63
17 Sep 2017 77 80.3 81 64 67.2 65 74 73.6 77 65 69.2 65 73 73.7 71 65 69.6 68 77 76.8 82 65 70.4 64
16 Sep 2017 78 78.9 84 65 65.1 69 78 80.3 81 65 67.2 66 73 73.6 73 64 69.2 66 73 73.7 70 64 69.6 68
15 Sep 2017 80 84.7 81 67 69.6 68 78 78.9 83 65 65.1 66 77 80.3 80 64 67.2 67 74 73.6 76 64 69.2 65
14 Sep 2017 79 86.3 82 67 67.1 69 79 84.7 83 66 69.6 68 80 78.9 82 63 65.1 69 77 80.3 82 62 67.2 68
13 Sep 2017 78 86.4 81 66 68.4 68 77 86.3 77 66 67.1 68 78 84.7 82 65 69.6 68 79 78.9 83 65 65.1 68
12 Sep 2017 81 80.4 82 62 60 64 79 86.4 82 66 68.4 67 80 86.3 82 66 67.1 69 78 84.7 81 64 69.6 67
11 Sep 2017 78 80 79 59 55.6 61 82 80.4 83 59 60 64 78 86.4 81 66 68.4 67 81 86.3 83 66 67.1 68
10 Sep 2017 72 76.8 77 55 55.8 58 74 80 81 59 55.6 62 79 80.4 82 63 60 65 75 86.4 79 63 68.4 68
09 Sep 2017 71 74.1 73 55 58.5 56 72 76.8 77 55 55.8 58 76 80 81 59 55.6 61 75 80.4 81 61 60 65
08 Sep 2017 74 77.8 74 57 57.9 57 71 74.1 73 56 58.5 55 70 76.8 78 56 55.8 59 74 80 81 59 55.6 61
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 6 6 5 6 4 5 4 6 5 5 2 5 4 3 3 4
% Succ 46.2   46.2 38.5   46.2 33.3   41.7 33.3   50.0 45.5   45.5 18.2   45.5 40.0   30.0 30.0   40.0
Ave Error 3.3   2.8 2.2   2.3 3.7   2.9 2.4   2.6 3.6   2.3 3.0   2.7 4.0   3.3 3.8   3.0
Net Error -3.0   -0.2 -1.3   0.4 -3.3   -0.3 -1.9   -0.2 -3.4   -0.6 -1.8   0.8 -3.8   -0.3 -2.9   -0.0
Std Dev 2.6   2.0 1.3   1.4 3.2   2.4 1.6   1.9 3.2   1.8 2.0   1.8 3.5   2.3 2.9   2.4

Afternoon Forecast

Updated: 21 Sep 2017 at 13:55
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
21 Sep 2017 81   78 63   64 75   79 65   62 78   83 67   65 80   84 68   66
20 Sep 2017 78 76.8 79 67 70.4 71 80   79 62   63 76   74 62   64 79   79 65   63
19 Sep 2017 75 73.7 73 66 69.6 69 77 76.8 79 66 70.4 68 81   81 62   61 76   80 62   62
18 Sep 2017 73 73.6 75 67 69.2 66 71 73.7 72 66 69.6 68 76 76.8 79 67 70.4 68 76   83 63   64
17 Sep 2017 77 80.3 78 64 67.2 66 74 73.6 76 65 69.2 65 73 73.7 73 65 69.6 68 77 76.8 83 65 70.4 66
16 Sep 2017 79 78.9 81 65 65.1 69 78 80.3 82 65 67.2 66 73 73.6 78 64 69.2 67 73 73.7 74 64 69.6 67
15 Sep 2017 80 84.7 82 67 69.6 70 78 78.9 83 65 65.1 69 77 80.3 81 64 67.2 66 74 73.6 75 64 69.2 66
14 Sep 2017 79 86.3 87 67 67.1 69 79 84.7 83 66 69.6 69 80 78.9 82 63 65.1 68 77 80.3 82 62 67.2 67
13 Sep 2017 78 86.4 87 66 68.4 70 77 86.3 82 66 67.1 69 78 84.7 82 65 69.6 69 79 78.9 83 65 65.1 69
12 Sep 2017 82 80.4 82 62 60 65 79 86.4 82 66 68.4 68 80 86.3 82 66 67.1 69 78 84.7 80 64 69.6 69
11 Sep 2017 74 80 81 59 55.6 63 82 80.4 83 59 60 65 78 86.4 81 66 68.4 67 81 86.3 83 66 67.1 69
10 Sep 2017 72 76.8 78 55 55.8 59 74 80 81 59 55.6 62 79 80.4 82 63 60 65 75 86.4 81 63 68.4 66
09 Sep 2017 71 74.1 75 55 58.5 57 72 76.8 78 55 55.8 58 76 80 81 59 55.6 61 75 80.4 82 61 60 65
08 Sep 2017 74 77.8 79 57 57.9 58 71 74.1 73 56 58.5 55 70 76.8 77 56 55.8 59 74 80 81 59 55.6 62
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 5 9 5 8 4 6 4 5 5 5 2 5 4 5 3 3
% Succ 38.5   69.2 38.5   61.5 33.3   50.0 33.3   41.7 45.5   45.5 18.2   45.5 40.0   50.0 30.0   30.0
Ave Error 3.6   1.4 2.2   2.4 3.7   2.4 2.4   2.8 3.6   2.4 3.0   2.5 4.0   3.0 3.8   3.1
Net Error -2.9   0.6 -1.3   1.4 -3.3   0.2 -1.9   0.5 -3.4   0.0 -1.8   0.8 -3.8   0.3 -2.9   0.4
Std Dev 2.7   0.8 1.3   2.1 3.2   1.5 1.6   2.1 3.2   1.9 2.0   1.6 3.5   2.5 2.9   2.3

Evening Forecast

Updated: 21 Sep 2017 at 17:55
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
21 Sep 2017 62   64 76   79 61   63 82   83 66   65 83   84 65   66 81   85
20 Sep 2017 66 70.4 72 81 76.8 79 62   64 74   75 64   63 77   78 65   63 79   80
19 Sep 2017 67 69.6 68 78 73.7 79 68 70.4 68 79 76.8 81 63   61 77   80 61   62 79   82
18 Sep 2017 66 69.2 67 72 73.6 72 66 69.6 68 77 73.7 79 66 70.4 68 81 76.8 83 62   63 76   81
17 Sep 2017 64 67.2 67 73 80.3 76 66 69.2 65 72 73.6 73 66 69.6 69 76 73.7 83 65 70.4 66 76 76.8 81
16 Sep 2017 66 65.1 69 77 78.9 81 65 67.2 66 74 80.3 78 64 69.2 67 73 73.6 74 64 69.6 67 78 73.7 83
15 Sep 2017 67 69.6 71 78 84.7 84 63 65.1 69 77 78.9 81 64 67.2 66 73 80.3 75 64 69.2 66 73 73.6 71
14 Sep 2017 67 67.1 69 80 86.3 83 67 69.6 69 78 84.7 82 65 65.1 68 77 78.9 82 64 67.2 67 74 80.3 78
13 Sep 2017 65 68.4 69 77 86.4 81 65 67.1 69 78 86.3 82 66 69.6 69 80 84.7 82 65 65.1 68 76 78.9 81
12 Sep 2017 63 60 66 79 80.4 82 66 68.4 68 80 86.4 82 67 67.1 68 77 86.3 80 66 69.6 69 76 84.7 82
11 Sep 2017 59 55.6 62 80 80 83 59 60 65 79 80.4 81 67 68.4 68 80 86.4 83 67 67.1 69 78 86.3 83
10 Sep 2017 55 55.8 59 74 76.8 80 59 55.6 62 79 80 82 63 60 65 75 80.4 81 63 68.4 66 75 86.4 82
09 Sep 2017 55 58.5 57 71 74.1 78 55 55.8 59 74 76.8 81 60 55.6 61 76 80 82 62 60 65 75 80.4 82
08 Sep 2017 56 57.9 58 71 77.8 73 55 58.5 55 71 74.1 77 57 55.8 59 74 76.8 81 59 55.6 62 75 80 76
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 4 8 4 3 2 5 4 3 4 5 2 3 3 3 2 1
% Succ 30.8   61.5 30.8   23.1 16.7   41.7 33.3   25.0 36.4   45.5 18.2   27.3 30.0   30.0 20.0   10.0
Ave Error 2.5   2.4 4.3   3.2 2.4   2.9 3.8   3.0 2.7   2.3 4.4   4.0 3.4   3.0 5.4   3.7
Net Error -1.4   1.5 -3.0   0.1 -1.9   0.5 -2.8   0.6 -1.2   0.9 -3.3   0.7 -2.3   0.3 -4.5   -0.2
Std Dev 1.4   1.9 2.9   1.6 1.2   2.1 2.8   1.9 2.1   1.6 3.3   3.1 2.6   2.2 4.2   3.0

Night Forecast

Updated: 21 Sep 2017 at 21:55
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
21 Sep 2017 63   65 76   76 61   62 82   83 66   65 83   86 65   67 81   86
20 Sep 2017 66 70.4 72 81 76.2 80 62   68 74   76 64   62 77   79 65   61 79   81
19 Sep 2017 67 69.6 70 78 76.8 79 68 70.4 69 79 76.2 80 63   64 77   78 61   62 79   82
18 Sep 2017 66 69.2 68 72 73.7 71 66 69.6 68 77 76.8 79 66 70.4 68 81 76.2 82 62   62 76   81
17 Sep 2017 64 67.2 66 73 73.6 76 66 69.2 65 72 73.7 70 66 69.6 68 76 76.8 78 65 70.4 67 76 76.2 79
16 Sep 2017 66 65.1 68 77 80.3 81 65 67.2 66 74 73.6 79 64 69.2 68 73 73.7 76 64 69.6 69 78 76.8 82
15 Sep 2017 68 69.6 70 78 78.9 83 63 65.1 68 77 80.3 81 64 67.2 68 73 73.6 78 64 69.2 65 73 73.7 73
14 Sep 2017 67 67.1 69 80 84.7 83 67 69.6 68 78 78.9 83 65 65.1 67 77 80.3 80 64 67.2 66 74 73.6 74
13 Sep 2017 65 68.4 69 77 86.3 82 65 67.1 69 78 84.7 82 66 69.6 69 80 78.9 83 65 65.1 69 76 80.3 81
12 Sep 2017 63 60 64 79 86.4 82 66 68.4 69 80 86.3 81 67 67.1 69 77 84.7 82 66 69.6 68 76 78.9 82
11 Sep 2017 59 55.6 61 80 80.4 82 59 60 65 79 86.4 81 67 68.4 68 80 86.3 82 67 67.1 68 78 84.7 81
10 Sep 2017 55 55.8 59 76 80 81 59 55.6 62 80 80.4 82 63 60 65 79 86.4 81 65 68.4 67 79 86.3 83
09 Sep 2017 55 58.5 58 71 76.8 78 55 55.8 58 74 80 81 60 55.6 62 76 80.4 82 62 60 65 75 86.4 82
08 Sep 2017 56 57.9 59 71 74.1 73 55 58.5 57 71 76.8 78 57 55.8 59 74 80 81 59 55.6 61 75 80.4 78
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 5 9 5 6 2 7 5 4 4 7 4 4 3 5 4 3
% Succ 38.5   69.2 38.5   46.2 16.7   58.3 41.7   33.3 36.4   63.6 36.4   36.4 30.0   50.0 40.0   30.0
Ave Error 2.5   1.9 3.6   2.4 2.4   2.5 3.5   3.1 2.7   2.3 3.9   3.0 3.2   2.8 4.1   2.7
Net Error -1.3   1.4 -2.7   0.2 -1.9   0.6 -2.9   0.2 -1.2   1.2 -2.8   0.7 -2.1   0.3 -3.7   -0.2
Std Dev 1.4   1.6 2.8   1.4 1.2   2.0 2.9   1.9 2.1   1.6 3.1   2.2 2.6   2.1 3.4   2.2
Weather Terms: Flood Stage - The level or stage at which a stream overflows its banks or the stage at which the overflow of a stream begins to cause damage.