Figure 1.
Carbon dioxide emission for Saudi Arabia: The year 1970–2016 [
2].
Figure 1.
Carbon dioxide emission for Saudi Arabia: The year 1970–2016 [
2].
Figure 2.
Emissions of greenhouse gases in Saudi Arabia by sector [
2,
10].
Figure 2.
Emissions of greenhouse gases in Saudi Arabia by sector [
2,
10].
Figure 3.
Proposed energy mix of Saudi Arabia until 2032.
Figure 3.
Proposed energy mix of Saudi Arabia until 2032.
Figure 4.
Basic concept of solar thermal air conditioning system.
Figure 4.
Basic concept of solar thermal air conditioning system.
Figure 5.
(a) Systematic of cooling system (b) psychometric processes.
Figure 5.
(a) Systematic of cooling system (b) psychometric processes.
Figure 6.
Pattern of flow in a slot.
Figure 6.
Pattern of flow in a slot.
Figure 7.
Schematic representation of energy balance for a control volume.
Figure 7.
Schematic representation of energy balance for a control volume.
Figure 8.
Model verification.
Figure 8.
Model verification.
Figure 9.
Monthly variations of coefficient of performance for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 9.
Monthly variations of coefficient of performance for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 10.
Monthly variations of sensible energy ratio for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 10.
Monthly variations of sensible energy ratio for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 11.
Monthly variations of cooling load for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 11.
Monthly variations of cooling load for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 12.
Monthly variations of regeneration load for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Figure 12.
Monthly variations of regeneration load for (a) Afīf, Alaflaj, ad-Dawādimī, Al Hanakiyah, Al Qunfudhah, AlUyaynah, and Al Wejh, Duba; (b) Hafr Al-Batin, Riyadh—K.A. CARE HQ, Riyadh—K.A. CARE City, Osfan, Hada Al Sham, Jeddah, Thuwal, and Dhahran; (c) Al Ahsa, AlMajmaah, Qassim, Hagl, Umluj, Al Jubail, Al Kharj, Shaqra; (d) Sharurah, Tabuk, Taif, Timaa, Dammam, Wadi Addawasir, Najran, and Al Farshah.
Table 1.
Desiccant wheel dimensions and thermodynamic properties.
Table 1.
Desiccant wheel dimensions and thermodynamic properties.
Parameter | Value |
---|
L | 0.1 m |
Ds | 0.02 m |
Cpf | 1.64 kJ/kg·K |
Cpd | 1.9 kJ/kg·K |
Cpa | 1.005 kJ/kg·K |
Cpw | 4.18 kJ/kg·K |
Cpv | 2 kJ/kg·K |
ρf | 300 kg/m3 |
ρd | 350 kg/m3 |
Q | 2500 kJ/kg |
Ah | 0.00628 m2 |
Ac | 0.000314 m2 |
N | 15 |
Table 2.
Operating parameters.
Table 2.
Operating parameters.
Parameter | Base Value |
---|
Regeneration air inlet temperature (°C) | 200 |
Process air flow rate (kg/s) | 1.62 (3000 CFM) |
Regeneration air flow rate (kg/s) | 0.54 (1000 CFM) |
Desiccant material | Silica gel |
Table 3.
Location and climatic data for all sites under study.
Table 3.
Location and climatic data for all sites under study.
| Afīf | Alaflaj | ad-Dawādimī | Al Hanakiyah | Al Qunfudhah | AlUyaynah | Al Wejh | Duba |
---|
Latitude (°N) | 23.9 | 22.3 | 24.5 | 24.9 | 19.2 | 24.9 | 26.3 | 27.3 |
Longitude (°N) | 42.9 | 47.7 | 44.4 | 40.5 | 41.1 | 46.4 | 36.4 | 35.7 |
Altitude (m) | 984 | 347 | 900 | 636 | 1 | 949 | 24 | 411 |
| Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) | Temperature (°C) | Relative humidity (%) | Daily solar radiation (kWh/m²/d) |
Annual | 25.9 | 23.0 | 6.4 | 28.7 | 22.6 | 6.48 | 25.7 | 24.6 | 6.39 | 27.7 | 22.5 | 6.2 | 29.8 | 70.4 | 5.8 | 25.9 | 27.5 | 6.2 | 26 | 56.9 | 6.2 | 27.4 | 44.5 | 6.1 |
January | 15.3 | 37.5 | 4.8 | 16.9 | 38.7 | 4.91 | 14.3 | 43.8 | 4.67 | 17.1 | 35.6 | 4.5 | 26 | 72.9 | 4.5 | 13.6 | 59.3 | 4.1 | 20.1 | 46.8 | 4.4 | 20.3 | 42.7 | 4.3 |
February | 18.2 | 29.2 | 5.9 | 20.2 | 28.2 | 5.86 | 17.5 | 31.5 | 5.68 | 19.7 | 28.0 | 5.6 | 26.2 | 74.7 | 5.4 | 16.6 | 32.9 | 5.6 | 21.2 | 48.5 | 5.2 | 21.6 | 42.4 | 5.1 |
March | 21.8 | 30.2 | 6.3 | 24.7 | 26.3 | 6.58 | 21.6 | 31.5 | 6.28 | 23.3 | 28.2 | 6.0 | 27.4 | 70.9 | 6.2 | 22 | 28.3 | 6.2 | 23.3 | 52.6 | 6.0 | 24.3 | 42.6 | 5.8 |
April | 27.8 | 20.2 | 6.6 | 30.2 | 18.2 | 7.24 | 27.5 | 20.7 | 6.57 | 28.9 | 23.2 | 6.4 | 30.3 | 65.1 | 6.7 | 26.6 | 26.6 | 6.5 | 26.2 | 56.0 | 6.7 | 27.9 | 41.1 | 6.9 |
May | 30.4 | 16.5 | 7.4 | 34.4 | 13.5 | 7.72 | 30.8 | 15.7 | 7.53 | 31.6 | 16.1 | 7.2 | 31.1 | 68.7 | 6.9 | 30.9 | 21.0 | 7.3 | 27.9 | 54.5 | 7.6 | 31 | 33.6 | 7.5 |
June | 32.9 | 9.7 | 8.1 | 36.8 | 9.9 | 7.77 | 33.2 | 10.0 | 8.32 | 35.3 | 9.7 | 8.0 | 32.2 | 69.6 | 6.8 | 34 | 10.9 | 8.0 | 29.1 | 60.7 | 8.0 | 32.2 | 41.2 | 8.1 |
July | 33.6 | 11.3 | 8.0 | 38.5 | 10.2 | 7.53 | 34.3 | 10.3 | 8.24 | 35.3 | 12.6 | 8.0 | 32.8 | 63.2 | 6.4 | 35.9 | 10.8 | 7.9 | 30.2 | 68.2 | 7.8 | 32.4 | 52.8 | 7.9 |
August | 34.3 | 12.1 | 7.4 | 37.6 | 12.7 | 7.37 | 34.7 | 11.4 | 7.61 | 36.9 | 12.1 | 7.2 | 33 | 70.2 | 6.2 | 35.5 | 12.4 | 7.5 | 30.9 | 66.7 | 7.2 | 32.2 | 54.3 | 7.4 |
September | 32.1 | 12.9 | 6.6 | 34.8 | 14.8 | 6.87 | 32.2 | 13.2 | 6.73 | 34.6 | 12.8 | 6.6 | 32.1 | 73.9 | 6.1 | 32.7 | 14.9 | 6.6 | 28.7 | 70.2 | 6.7 | 31.3 | 51.4 | 6.6 |
October | 27.1 | 16.5 | 6.1 | 29.1 | 20.5 | 6.17 | 27.1 | 17.9 | 6.06 | 29.0 | 18.6 | 5.7 | 30.5 | 72.3 | 5.6 | 27.4 | 21.2 | 5.9 | 26.7 | 61.5 | 5.6 | 27.9 | 49.1 | 5.5 |
November | 20.2 | 39.3 | 4.8 | 22.8 | 40.6 | 5.03 | 19.6 | 44.0 | 4.7 | 21.9 | 34.6 | 4.7 | 29 | 69.8 | 4.7 | 19.8 | 48.1 | 4.4 | 24.9 | 48.5 | 4.6 | 25.5 | 41.9 | 4.5 |
December | 16.5 | 40.7 | 4.3 | 17.8 | 38.2 | 4.71 | 15.6 | 45.8 | 4.28 | 18.2 | 38.4 | 4.3 | 27 | 74.1 | 4.3 | 15.6 | 44.1 | 4.2 | 22.1 | 47.5 | 3.9 | 22.4 | 41.4 | 3.8 |
| Hafr Al-Batin | Riyadh—K.A. CARE HQ | Riyadh—K.A. CARE City | Osfan | Hada Al Sham | Jeddah | Thuwal | Dhahran |
Latitude | 28.3 | 24.7 | 24.5 | 21.9 | 21.8 | 21.7 | 22.3 | 26.3 |
Longitude | 46.1 | 46.7 | 46.4 | 39.3 | 39.7 | 39.2 | 39.1 | 50.2 |
Altitude | 358 | 620 | 620 | 253 | 253 | 17 | 17 | 17 |
Annual | 26.5 | 29.5 | 5.9 | 28.3 | 23.8 | 6.1 | 26.4 | 24.7 | 6.3 | 29.7 | 52.6 | 6.0 | 30.5 | 40.6 | 6.0 | 30.6 | 55.7 | 5.9 | 28.2 | 68.0 | 6.0 | 27.7 | 48.7 | 5.8 |
January | 12.8 | 56.3 | 3.8 | 16.2 | 41.9 | 4.4 | 14.8 | 43.9 | 4.6 | 24.2 | 54.8 | 4.4 | 24.2 | 50.8 | 4.5 | 25.5 | 59.9 | 4.4 | 23.8 | 61.9 | 4.4 | 16.2 | 70.3 | 3.9 |
February | 15.5 | 39.9 | 4.9 | 19.5 | 28.9 | 5.5 | 17.9 | 29.7 | 5.7 | 25.3 | 56.7 | 5.4 | 25.6 | 49.3 | 5.4 | 26.3 | 62.9 | 5.4 | 24.7 | 65.4 | 5.4 | 18.4 | 60.4 | 4.8 |
March | 21.5 | 40.0 | 5.5 | 24 | 25.6 | 6.1 | 22.1 | 27.0 | 6.3 | 27 | 52.2 | 6.2 | 27.7 | 42.2 | 6.3 | 27.9 | 55.7 | 6.3 | 25.5 | 67.9 | 6.1 | 22.8 | 51.4 | 5.3 |
April | 27.8 | 25.0 | 6.2 | 28.8 | 24.0 | 6.5 | 26.6 | 25.3 | 6.8 | 30.7 | 45.8 | 6.3 | 32 | 34.6 | 6.4 | 31.5 | 49.3 | 6.4 | 28.3 | 66.9 | 6.4 | 28.2 | 39.2 | 6.6 |
May | 32.8 | 18.8 | 7.1 | 33.2 | 18.7 | 7.1 | 30.8 | 19.5 | 7.4 | 31.3 | 47.8 | 7.2 | 33 | 33.5 | 7.2 | 32 | 51.3 | 7.2 | 28.9 | 71.4 | 7.1 | 33.2 | 34.1 | 7.3 |
June | 36 | 11.7 | 8.3 | 36.3 | 9.8 | 7.9 | 34.2 | 9.4 | 8.1 | 32.9 | 48.0 | 7.4 | 35 | 24.6 | 7.6 | 34.2 | 44.1 | 7.5 | 30.6 | 68.0 | 7.6 | 35.8 | 24.0 | 7.8 |
July | 37.4 | 11.4 | 8.2 | 38.4 | 9.6 | 7.8 | 36.3 | 9.3 | 7.9 | 34.3 | 44.6 | 7.2 | 34.9 | 31.4 | 7.2 | 34.9 | 47.3 | 7.0 | 31.6 | 69.7 | 7.2 | 37.1 | 28.7 | 7.5 |
August | 38.3 | 13.8 | 7.5 | 38.1 | 11.7 | 7.4 | 35.9 | 11.3 | 7.5 | 34.4 | 50.6 | 6.8 | 34.7 | 36.7 | 6.7 | 34.8 | 53.0 | 6.7 | 32.1 | 71.3 | 6.7 | 35.8 | 46.0 | 6.9 |
September | 35.1 | 15.6 | 6.7 | 35.5 | 13.7 | 6.6 | 33.1 | 13.7 | 6.7 | 32.1 | 61.2 | 6.2 | 34.3 | 39.7 | 6.2 | 33.2 | 61.2 | 6.1 | 30.8 | 76.8 | 6.1 | 33.9 | 47.7 | 6.4 |
October | 27 | 24.4 | 5.2 | 30 | 20.1 | 5.8 | 27.8 | 20.0 | 6.0 | 30.3 | 63.0 | 5.6 | 31.4 | 46.3 | 5.7 | 31.3 | 65.6 | 5.5 | 29.2 | 76.2 | 5.6 | 29.3 | 53.2 | 5.3 |
November | 19.3 | 50.1 | 4.0 | 22 | 43.2 | 4.4 | 20.1 | 46.0 | 4.6 | 28.1 | 52.6 | 4.7 | 28 | 48.4 | 4.8 | 29.1 | 58.5 | 4.6 | 27.5 | 59.8 | 4.8 | 23.2 | 66.0 | 4.0 |
December | 14.5 | 48.0 | 3.8 | 17.9 | 39.1 | 4.1 | 16.2 | 41.6 | 4.3 | 25.8 | 54.8 | 4.3 | 25.6 | 50.0 | 4.3 | 27 | 60.8 | 4.2 | 25.5 | 61.0 | 4.4 | 18.4 | 64.4 | 3.8 |
| Al Ahsa | AlMajmaah | Qassim | Hagl | Umluj | Al Jubail | Al Kharj | Shaqra |
Latitude | 25.3 | 25.9 | 26.3 | 29.3 | 25 | 27 | 24.2 | 25.2 |
Longitude | 49.5 | 45.4 | 43.8 | 34.9 | 37.3 | 49.7 | 47.3 | 45.1 |
Altitude | 178 | 614 | 648 | 51 | 411 | 3 | 512 | 832 |
Annual | 28.5 | 32.3 | 6.1 | 25.4 | 25.9 | 6.2 | 26.5 | 24.9 | 6.1 | 25.2 | 47.8 | 6.0 | 27.7 | 57.4 | 6.1 | 26.5 | 58.4 | 5.8 | 27.3 | 25.0 | 6.1 | 26.5 | 24.8 | 6.3 |
January | 15.8 | 52.2 | 4.2 | 13.1 | 48.3 | 4.3 | 14.2 | 44.6 | 4.3 | 17.8 | 50.1 | 3.8 | 21.9 | 49.8 | 4.4 | 16 | 71.4 | 3.8 | 15.1 | 45.2 | 4.4 | 14.4 | 45.5 | 4.5 |
February | 18.7 | 38.7 | 5.2 | 16.1 | 33.7 | 5.4 | 17 | 30.8 | 5.4 | 19 | 47.1 | 4.9 | 22.9 | 55.0 | 5.3 | 17.7 | 67.7 | 4.7 | 18.6 | 31.6 | 5.3 | 17.7 | 32.0 | 5.5 |
March | 24.1 | 34.3 | 5.9 | 21.3 | 31.2 | 5.9 | 21.9 | 33.8 | 6.1 | 22 | 48.3 | 5.5 | 24.8 | 54.9 | 6.1 | 21.8 | 61.8 | 5.4 | 23.5 | 26.6 | 6.1 | 22.2 | 30.0 | 6.1 |
April | 29.8 | 24.9 | 6.9 | 26.7 | 23.6 | 6.1 | 28.2 | 22.1 | 6.0 | 25.3 | 42.2 | 6.8 | 27.8 | 58.3 | 6.6 | 26.1 | 54.3 | 6.5 | 29.3 | 18.4 | 7.0 | 28 | 21.1 | 6.4 |
May | 34.8 | 19.3 | 7.5 | 31 | 15.8 | 7.3 | 31.9 | 15.5 | 7.0 | 27.6 | 43.6 | 7.5 | 29.4 | 56.7 | 7.2 | 31 | 49.5 | 7.2 | 33.2 | 15.0 | 7.1 | 31.8 | 15.4 | 7.3 |
June | 37.1 | 13.5 | 7.6 | 33.6 | 10.1 | 8.2 | 34.3 | 11.2 | 8.2 | 29.3 | 45.3 | 8.2 | 31.1 | 57.8 | 7.8 | 33.6 | 40.9 | 7.8 | 35.5 | 10.6 | 7.7 | 34.3 | 10.0 | 8.1 |
July | 38.8 | 15.7 | 7.6 | 35 | 9.9 | 8.2 | 36.2 | 11.1 | 8.2 | 30.7 | 47.6 | 8.1 | 31.8 | 64.8 | 7.7 | 35.3 | 41.9 | 7.5 | 37.1 | 10.6 | 7.6 | 35.6 | 10.1 | 8.2 |
August | 37.6 | 27.0 | 7.2 | 35.2 | 11.6 | 7.6 | 36.5 | 11.5 | 7.5 | 31.4 | 48.8 | 7.6 | 32.8 | 60.7 | 7.0 | 34.4 | 61.4 | 6.9 | 36.5 | 13.5 | 7.2 | 36.1 | 11.2 | 7.5 |
September | 35 | 28.2 | 6.6 | 32.2 | 13.6 | 6.7 | 33.7 | 13.3 | 6.7 | 29.4 | 53.1 | 6.6 | 30.7 | 65.3 | 6.5 | 32.4 | 57.0 | 6.4 | 33.5 | 15.7 | 6.5 | 33.4 | 12.8 | 6.7 |
October | 29.5 | 34.7 | 5.8 | 26.6 | 19.8 | 5.8 | 28 | 19.3 | 5.7 | 26.2 | 49.9 | 5.4 | 28.4 | 60.9 | 5.5 | 28.3 | 59.5 | 5.4 | 28.1 | 21.8 | 5.7 | 27.7 | 19.1 | 6.0 |
November | 22.6 | 53.8 | 4.3 | 18.9 | 46.1 | 4.4 | 20.2 | 41.3 | 4.5 | 23.5 | 48.6 | 4.2 | 26.3 | 53.6 | 4.7 | 22.8 | 67.8 | 3.9 | 21 | 46.8 | 4.3 | 20.1 | 45.2 | 4.5 |
December | 17.6 | 46.0 | 4.2 | 14.5 | 47.8 | 4.1 | 15.8 | 44.1 | 4.0 | 19.5 | 48.7 | 3.5 | 24.1 | 51.3 | 4.0 | 18 | 67.8 | 3.8 | 16.4 | 44.9 | 4.2 | 16 | 45.2 | 4.2 |
| Sharurah | Tabuk | Taif | Timaa | Dammam | Wadi Addawasir | Najran | Al Farshah |
Latitude | 17.5 | 28.4 | 21.5 | 27.6 | 26.4 | 20.4 | 17.6 | 17.8 |
Longitude | 47.1 | 36.6 | 40.6 | 38.5 | 50.2 | 44.9 | 44.5 | 43.2 |
Elevation | 725 | 768 | 1.453 | 689 | 17 | 614 | 1.212 | 295 |
Annual | 29 | 20.9 | 6.8 | 23.3 | 31.0 | 6.3 | 23.8 | 35.1 | 6.4 | 24.1 | 28.1 | 6.3 | 27.3 | 53.6 | 5.8 | 27.9 | 22.1 | 6.6 | 26.6 | 21.1 | 6.8 | 27.9 | 43.9 | 6.0 |
January | 19.2 | 31.8 | 5.6 | 13.1 | 42.2 | 4.1 | 16.6 | 48.9 | 5.2 | 13 | 44.6 | 4.3 | 16.5 | 67.2 | 3.9 | 17.1 | 34.5 | 5.2 | 17.7 | 32.6 | 5.6 | 22.6 | 55.0 | 5.1 |
February | 22.8 | 23.8 | 6.3 | 14.8 | 35.3 | 5.2 | 18.6 | 43.8 | 6.0 | 15.5 | 34.7 | 5.4 | 18.1 | 61.6 | 4.9 | 20.5 | 27.8 | 6.0 | 21.3 | 25.2 | 6.4 | 24.4 | 49.3 | 5.8 |
March | 26.8 | 23.3 | 6.9 | 19.4 | 34.5 | 6.0 | 20.7 | 40.0 | 6.7 | 19.7 | 35.1 | 6.0 | 22.5 | 58.6 | 5.5 | 25.3 | 23.7 | 6.7 | 24.8 | 23.6 | 6.9 | 26.5 | 41.3 | 6.4 |
April | 30.6 | 18.1 | 7.7 | 24.8 | 22.3 | 7.2 | 24.5 | 37.6 | 6.4 | 25.7 | 22.3 | 7.1 | 27.3 | 49.2 | 6.7 | 29.7 | 16.5 | 7.3 | 28 | 17.6 | 7.7 | 29.4 | 35.5 | 7.2 |
May | 33.7 | 16.6 | 7.6 | 27.2 | 22.7 | 8.0 | 26.8 | 29.6 | 7.4 | 28.1 | 18.0 | 7.8 | 32.4 | 43.8 | 7.3 | 33.1 | 14.5 | 7.6 | 30.6 | 17.1 | 7.6 | 29.9 | 42.5 | 7.1 |
June | 35.3 | 9.8 | 7.7 | 30.4 | 21.8 | 8.4 | 28.9 | 16.4 | 7.9 | 31.4 | 15.4 | 8.4 | 35 | 31.1 | 7.9 | 34.9 | 11.0 | 7.8 | 32.6 | 10.4 | 7.8 | 32.4 | 36.2 | 6.7 |
July | 36.6 | 11.3 | 7.3 | 32 | 22.3 | 8.3 | 29.8 | 20.0 | 7.6 | 32.8 | 17.8 | 8.3 | 36.3 | 37.0 | 7.4 | 36.5 | 10.5 | 7.4 | 34 | 12.1 | 7.0 | 31.7 | 41.1 | 5.4 |
August | 36.1 | 15.6 | 7.3 | 32.4 | 23.4 | 7.7 | 29.4 | 24.9 | 7.2 | 33.3 | 18.5 | 7.7 | 35.2 | 54.1 | 6.8 | 36 | 15.0 | 7.3 | 33.3 | 14.5 | 7.4 | 30.4 | 52.4 | 5.7 |
September | 33.5 | 17.6 | 7.0 | 28.9 | 31.7 | 6.9 | 28.5 | 25.4 | 6.4 | 30.3 | 21.7 | 6.9 | 33.5 | 54.6 | 6.4 | 33.1 | 16.4 | 6.9 | 30.8 | 15.8 | 6.9 | 30.2 | 42.5 | 5.9 |
October | 28.8 | 19.3 | 6.6 | 23.6 | 30.5 | 5.6 | 24.5 | 36.3 | 6.0 | 25 | 24.7 | 5.6 | 29 | 59.4 | 5.4 | 27.6 | 20.5 | 6.4 | 25.9 | 20.1 | 6.8 | 28.1 | 39.7 | 6.1 |
November | 24.8 | 29.7 | 5.8 | 18.7 | 39.9 | 4.5 | 19.8 | 49.5 | 5.1 | 19 | 40.5 | 4.6 | 23.3 | 64.0 | 4.1 | 23 | 37.1 | 5.3 | 21.9 | 29.7 | 5.9 | 25.4 | 45.3 | 5.4 |
December | 19.5 | 33.6 | 5.5 | 14 | 45.5 | 3.8 | 17.5 | 49.2 | 4.7 | 15 | 44.5 | 4.0 | 18.6 | 62.7 | 3.9 | 17.9 | 38.4 | 5.0 | 17.6 | 34.8 | 5.6 | 23.3 | 46.3 | 5.2 |