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In Figure 7 the observed cumulative frequencies are compared with the mixed distribution (continuous line), for which the not null water request was described by means of the L distribution (Equation (7)). The parameters of the distribution were estimated on the basis of experimental data and the relative values are reported in Table 3 (columns , and ). The plots with dot lines in Figure 7 furthermore represent the MD CDFs, where Equation (5) gave the probability of null request (in Table 3, column ) and the standard deviations (in Table 3, column ) has been estimated by means of the relation (Equation (8)) described in the following section.

Table 3

Parameters of the plots in Figure 7 

Userst [hh.mm]Fo(t) [%] [%][–]σCD(t) [–] [–]
PSG Nus = 777 1.00 a.m. 76.2 72.8 0.080 0.072 0.070 
PSG Nus = 777 9.00 a.m. 0.0 0.2 1.630 0.336 0.293 
PSG Nus = 777 5.00 p.m. 0.0 1.9 1.016 0.372 0.214 
CE Nus = 596 5.00 a.m. 69.9 53.3 0.211 0.123 0.117 
CE Nus = 596 1.00 p.m. 0.0 1.1 1.510 0.467 0.307 
CE Nus = 596 9.00 p.m. 1.0 0.8 1.637 0.436 0.323 
Userst [hh.mm]Fo(t) [%] [%][–]σCD(t) [–] [–]
PSG Nus = 777 1.00 a.m. 76.2 72.8 0.080 0.072 0.070 
PSG Nus = 777 9.00 a.m. 0.0 0.2 1.630 0.336 0.293 
PSG Nus = 777 5.00 p.m. 0.0 1.9 1.016 0.372 0.214 
CE Nus = 596 5.00 a.m. 69.9 53.3 0.211 0.123 0.117 
CE Nus = 596 1.00 p.m. 0.0 1.1 1.510 0.467 0.307 
CE Nus = 596 9.00 p.m. 1.0 0.8 1.637 0.436 0.323 

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