118 / 260
97
Response Times by Hour
Average dispatch, turnout, travel, and total response times by hour are shown in Tables 8-15 and
8-16 and Figures 8-8 and 8-9. The tables also show 90th percentile times.
TABLE 8-15: Average and 90th Percentile Response Times of First Arriving Unit, by
Hour of Day – MHFD
Hour Dispatch Turnout
Travel
Response
Time
90th Percentile
Response Time
Sample
Size
0
0.6
2.7
3.8
7.1
8.9
65
1
0.5
2.6
4.2
7.3
10.4
66
2
0.4
2.7
4.8
7.8
11.4
57
3
0.5
2.8
4.2
7.4
11.1
48
4
0.4
2.6
3.9
6.9
9.8
44
5
0.4
2.7
4.1
7.3
9.1
44
6
0.4
2.5
4.1
7.0
10.1
54
7
0.5
1.9
3.7
6.0
7.9
92
8
0.4
1.6
3.6
5.6
7.7
135
9
0.6
1.4
3.5
5.5
8.2
122
10
0.7
1.4
3.8
5.9
8.7
137
11
0.7
1.3
4.1
6.1
9.2
143
12
0.6
1.3
3.9
5.8
9.4
132
13
0.5
1.2
3.6
5.3
7.8
149
14
0.6
1.3
3.8
5.7
7.9
140
15
0.6
1.3
3.6
5.5
8.7
151
16
0.6
1.3
3.6
5.4
8.3
142
17
0.5
1.4
4.1
6.1
8.9
154
18
0.5
1.4
3.6
5.5
8.2
135
19
0.5
1.5
3.6
5.6
8.1
122
20
0.4
1.7
3.5
5.6
7.4
121
21
0.5
1.8
3.8
6.1
8.8
124
22
0.5
2.1
3.9
6.5
9.0
104
23
0.4
2.4
3.9
6.7
9.5
77