Date	1 day	2 days	3-4 days	5-7 days
20 May	91.9	4.8	1.9	1.3
21 May	91.7	4.9	2	1.4
22 May	91.8	4.8	2	1.4
23 May	91.7	4.8	2.2	1.3
24 May	92.1	4.4	2.1	1.4
25 May	91.9	4.6	2.1	1.3
26 May	91.8	4.8	2	1.4
27 May	91.6	4.9	2	1.5
28 May	91.5	4.8	2.3	1.5
29 May	91.6	4.7	2.3	1.4
30 May	91.6	4.7	2.2	1.4
31 May	91.4	4.9	2.3	1.5
1 Jun.	91.5	4.7	2.3	1.5
2 Jun.	91.7	4.6	2.3	1.4
3 Jun.	91.6	4.8	2.2	1.4
4 Jun.	91.7	4.8	2.1	1.4
5 Jun.	91.9	4.6	2.1	1.4
6 Jun.	92.1	4.4	2.2	1.3
7 Jun.	92.3	4.4	2.2	1.2
8 Jun.	92.3	4.5	2.1	1.1
9 Jun.	92.5	4.4	1.9	1.2
10 Jun.	92.5	4.4	1.9	1.2
11 Jun.	92.5	4.3	2	1.2
12 Jun.	92.4	4.4	2	1.1
13 Jun.	92.4	4.3	2.1	1.2
14 Jun.	92.5	4.2	2	1.2
15 Jun.	92.3	4.3	2.1	1.3
16 Jun.	92.2	4.4	2.1	1.3
17 Jun.	92.1	4.5	2.2	1.3
18 Jun.	91.8	4.6	2.3	1.3
19 Jun.	91.9	4.5	2.3	1.3