Table P.4
Sunset and Weather Probabilities
Impulse #
Sunset DRM
Probability that Sunset DR < impulse # and the sun sets
Probability that Sunset DR = impulse # and weather changes
Probability that Sunset DR > impulse # and day+weather continue
Cumulative probability that sun will set by next impulse
0
0
0.00%
0.00%
100.00%
0.00%
1
0
0.00%
0.00%
100.00%
0.00%
2
0
0.00%
2.78%
97.22%
0.00%
3
0
2.78%
5.56%
91.67%
2.78%
4
0
8.33%
8.33%
83.33%
10.88%
5
0
16.67%
11.11%
72.22%
25.73%
6
0
27.78%
13.89%
58.33%
46.36%
7
0
41.67%
16.67%
41.67%
68.71%
8
0
58.33%
13.89%
27.78%
86.96%
9
0
72.22%
11.11%
16.67%
96.38%
10
0
83.33%
8.33%
8.33%
99.40%
11
0
91.67%
5.56%
2.78%
99.95%
12
0
97.22%
2.78%
0.00%
100.00%
13
0
100.00%
0.00%
0.00%
--
0
1
0.00%
0.00%
100.00%
0.00%
1
1
0.00%
0.00%
100.00%
0.00%
2
1
0.00%
0.00%
100.00%
0.00%
3
1
0.00%
2.78%
97.22%
0.00%
4
1
2.78%
5.56%
91.67%
2.78%
5
1
8.33%
8.33%
83.33%
10.88%
6
1
16.67%
11.11%
72.22%
25.73%
7
1
27.78%
13.89%
58.33%
46.36%
8
1
41.67%
16.67%
41.67%
68.71%
9
1
58.33%
13.89%
27.78%
86.96%
10
1
72.22%
11.11%
16.67%
96.38%
11
1
83.33%
8.33%
8.33%
99.40%
12
1
91.67%
5.56%
2.78%
99.95%
13
1
97.22%
2.78%
0.00%
100.00%
14
1
100.00%
0.00%
0.00%
--
0
-1
0.00%
0.00%
100.00%
0.00%
1
-1
0.00%
0.00%
97.22%
0.00%
2
-1
2.78%
0.00%
91.67%
2.78%
3
-1
8.33%
0.00%
83.33%
10.88%
4
-1
16.67%
0.00%
72.22%
25.73%
5
-1
27.78%
0.00%
58.33%
46.36%
6
-1
41.67%
0.00%
41.67%
68.71%
7
-1
58.33%
0.00%
27.78%
86.96%
8
-1
72.22%
0.00%
16.67%
96.38%
9
-1
83.33%
0.00%
8.33%
99.40%
10
-1
91.67%
0.00%
2.78%
99.95%
11
-1
97.22%
0.00%
0.00%
100.00%
12
-1
100.00%
0.00%
0.00%
--
It should be noted that at the start of the day there is a 56% probability that the weather will not change before the day ends and a 44% probability that it will change at some point. The probability that the weather will not change before impulse 6 is 77% (assuming a zero Sunset DRM) and of course the probability that it will change before impulse 6 is 23%. The probability that the weather will not change before impulse 8 is 63% (assuming a zero Sunset DRM) and of course the probability that it will change before impulse 8 is 37%.