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Table 3.6.1: Observed <strong>and</strong> GCM projected changes in sunshine hours for <strong>Turks</strong> <strong>and</strong> <strong>Caicos</strong> Isl<strong>and</strong>s<br />
Observed<br />
Mean<br />
1970-99<br />
<strong>Turks</strong> <strong>and</strong> <strong>Caicos</strong> Isl<strong>and</strong>s: Country Scale Changes in Sunshine Hours<br />
Observed<br />
Trend<br />
1960-<br />
2006<br />
Projected changes by Projected changes by Projected changes by<br />
the 2020s<br />
the 2050s<br />
the 2080s<br />
Min Median Max Min Median Max Min Median Max<br />
(hrs) (change in<br />
hrs per<br />
decade)<br />
Change in hrs Change in hrs Change in hrs<br />
A2 -0.2 0.1 0.5 -0.3 0.2 0.5 0 0.4 0.7<br />
Annual 6.5 0.57* A1B -0.3 0 0.9 -0.1 0.2 0.8 -0.2 0.3 1.2<br />
B1 -0.4 0.1 0.8 -0.1 0.1 0.8 -0.3 0.2 0.9<br />
A2 0 0.1 0.3 -0.3 0.1 0.4 -0.6 0.1 0.4<br />
DJF 6.9 0.43 A1B -0.4 0 0.6 -0.3 0.2 0.5 -0.5 0.1 0.7<br />
B1 -0.1 0 0.6 -0.2 0.1 0.7 -0.3 0 0.6<br />
A2 -0.4 0.1 0.4 -0.6 0.2 0.6 -0.4 0.4 0.8<br />
MAM 6.8 0.84 A1B -0.3 0.1 0.9 -0.3 0.3 0.6 -0.7 0.1 0.9<br />
B1 -0.7 0.1 0.7 -0.4 0.1 0.8 -0.6 0.1 0.9<br />
A2 -0.6 0.1 0.7 -0.7 0.3 1 -0.5 0.5 1.4<br />
JJA 6.7 0.98* A1B -0.7 0.1 1.2 -0.3 0.4 1.2 -0.5 0.5 1.7<br />
B1 -0.6 0.3 0.8 -0.2 0.3 0.9 -0.5 0.4 1.3<br />
A2 -0.3 0 0.6 -0.5 0.2 0.5 -0.1 0.3 0.9<br />
SON 5.5 0.06 A1B -0.5 0 1.1 -0.7 0 0.9 -0.3 0.3 1.5<br />
B1 -0.4 0.1 1 -0.2 0.2 0.9 -0.5 0.2 1.1<br />
Table 3.6.2: GCM <strong>and</strong> RCM projected changes in <strong>Turks</strong> <strong>and</strong> <strong>Caicos</strong> Isl<strong>and</strong>s under the A2 scenario<br />
23<br />
Projected changes by the 2080s<br />
SRES A2<br />
Min Median Max<br />
GCM Ensemble Range 0<br />
Change in hours<br />
0.4 0.7<br />
Annual RCM (ECHAM4)<br />
0.7<br />
RCM (HadCM3)<br />
1.5<br />
GCM Ensemble Range -0.6 0.1 0.4<br />
DJF RCM (ECHAM4)<br />
0.3<br />
RCM (HadCM3)<br />
0.7<br />
GCM Ensemble Range -0.4 0.4 0.8<br />
MAM RCM (ECHAM4)<br />
0.5<br />
RCM (HadCM3)<br />
0.8<br />
GCM Ensemble Range -0.5 0.5 1.4<br />
JJA RCM (ECHAM4)<br />
1.4<br />
RCM (HadCM3)<br />
2.9<br />
GCM Ensemble Range -0.1 0.3 0.9<br />
SON RCM (ECHAM4)<br />
0.6<br />
RCM (HadCM3)<br />
1.5<br />
3.7. Sea Surface Temperatures<br />
The HadSST2 gridded dataset shows no significant trend in mean annual sea surface temperatures around<br />
<strong>Turks</strong> <strong>and</strong> <strong>Caicos</strong> Isl<strong>and</strong>s over the period 1960-2006.