Date 1 day 2-3 days 4-7 days 8-14 days 15-31 days 29 Apr. 88.7 7.9 2 0.8 0.6 30 Apr. 88.6 8 2 0.82 0.6 1 May 88.5 8 2.1 0.8 0.61 2 May 88.4 8 2.1 0.84 0.63 3 May 88.4 8 2.2 0.85 0.61 4 May 88.4 8 2.2 0.86 0.56 5 May 88.4 8 2.2 0.9 0.55 6 May 88.5 8 2.1 0.88 0.55 7 May 88.3 8.1 2.2 0.9 0.55 8 May 88.2 8.2 2.2 0.86 0.58 9 May 88.2 8.3 2.1 0.88 0.57 10 May 88.4 8.2 2 0.92 0.55 11 May 88.5 8 2.1 0.91 0.54 12 May 88.4 8.1 2.1 0.9 0.54 13 May 88.3 8.2 2.1 0.86 0.55 14 May 88.4 8 2.2 0.79 0.57 15 May 88.3 8.1 2.2 0.89 0.53 16 May 88.3 8.2 2 0.94 0.53 17 May 88.3 8.1 2.1 0.94 0.51 18 May 88.5 8 2 0.93 0.53 19 May 88.5 8.1 2 0.91 0.5 20 May 88.5 8 2 0.93 0.51 21 May 88.5 8 2.1 0.95 0.51 22 May 88.4 8.1 2.1 0.94 0.52 23 May 88.3 8.1 2.1 0.92 0.52 24 May 88.4 8.1 2 0.93 0.55 25 May 88.5 8 2.1 0.92 0.54 26 May 88.4 8 2.1 0.86 0.57 27 May 88.4 8.1 2.2 0.82 0.6 28 May 88.2 8.2 2.2 0.78 0.63 29 May 88.3 8 2.2 0.77 0.66