*5.3. Heat wave: July 2006*

Figure 11 shows the daily total number of 999 emergency ambulance calls in London from 1 February 2006 to 30 November 2006. The minimum number of calls for this period is chosen to be equal to 3200.

**Figure 11.** The daily total number of 999 emergency ambulance calls (blue dots) in London from 1 February 2006 to 30 November 2006.

Figure 12 shows the positive daily difference of calls of 999 emergency ambulance calls (blue dots) in London from 1 February 2006 to 30 November 2006.

**Figure 12.** The positive daily difference of calls of 999 emergency ambulance calls (blue dots) in London from 1 February 2006 to 30 November 2006.

Table 5 shows the estimated q value and Tsallis expected value for the four ranges of each period.


**Table 5.** The estimated q value and Tsallis expected value for the four ranges of each period.
