Date	1 day	2 days	3-4 days	5-7 days
28 Apr.	85.8	6.1	4.4	3.7
29 Apr.	85.8	6.4	4.2	3.5
30 Apr.	85.9	6.4	4.4	3.3
1 May	85.8	6.6	4.3	3.3
2 May	85.6	6.8	4.4	3.1
3 May	85.7	7	4.2	3.1
4 May	85.9	6.7	4.2	3.1
5 May	86.3	6.7	4.1	3
6 May	86.5	6.4	4.3	2.8
7 May	86.5	6.5	4.3	2.6
8 May	86.2	6.9	4.3	2.6
9 May	85.8	6.9	4.6	2.7
10 May	85.3	7.5	4.5	2.7
11 May	85.5	7	4.6	2.9
12 May	85.7	6.6	4.7	2.9
13 May	85.7	6.6	4.6	3.1
14 May	85.7	6.6	4.6	3.1
15 May	85.5	6.8	4.3	3.4
16 May	85.4	7	4	3.6
17 May	86.1	6.4	4	3.5
18 May	86.3	6.3	4	3.5
19 May	86.2	6.3	4.1	3.5
20 May	86	6.4	4.2	3.5
21 May	85.8	6.8	4.1	3.3
22 May	85.7	6.8	4.3	3.2
23 May	85.3	6.7	4.7	3.4
24 May	85	6.6	5.2	3.2
25 May	85	6.7	4.9	3.4
26 May	85	6.8	4.8	3.4
27 May	84.6	7	4.9	3.5
28 May	84.7	6.7	5	3.5