Dry Spells - 10 consecutive days of rain fall below 0.2 mm The number of independent occasions where 10 consecutive days with less than 0.2 mm of rainfall is recorded during the calendar year.
Location
Baseline (mm)
2050s (mm)
Absolute Change (mm)
Relative Change (%)
Mean
Standard Deviation
Mean
Standard Deviation
1
5.6
2.3
7.8
2.5
+2.2
+39.5
2
1.9
1.3
3.7
1.8
+1.8
+96.0
3
2.3
1.5
4.1
1.9
+1.8
+80.6
4
3.8
1.9
6.3
2.2
+2.5
+66.7
5
4.1
1.9
6.5
2.2
+2.4
+57.2
6
4.0
1.9
7.0
2.3
+3.0
+76.4
7
4.2
1.9
6.8
2.3
+2.7
+64.8
8
4.0
1.9
6.6
2.2
+2.7
+67.2
Dry Spells - 20 consecutive days of rain fall below 0.2 mm The number of independent occasions where 20 consecutive days with less than 0.2 mm of rainfall is recorded during the calendar year.
Location
Baseline (mm)
2050s (mm)
Absolute Change (mm)
Relative Change (%)
Mean
Standard Deviation
Mean
Standard Deviation
1
0.7
0.8
1.2
1.1
+0.5
+72.9
2
0.1
0.3
0.4
0.6
+0.3
+351.1
3
0.1
0.3
0.4
0.6
+0.2
+195.0
4
0.2
0.5
0.8
0.8
+0.6
+227.2
5
0.2
0.5
0.8
0.8
+0.6
+232.2
6
0.3
0.5
1.1
1.0
+0.8
+327.1
7
0.3
0.5
1.0
0.9
+0.7
+252.2
8
0.3
0.6
1.0
0.9
+0.7
+208.9
The number of dry spells of rainfall below 0.2mm will increase over the whole region. The increase of dry spells of 20 days will experience an absolute change averaging at 0.6 for the entire region. The lower values are in the upland areas. However, over a 10 day period, the upland areas will see the greater relative change but still the lowest relative change over the region.
Dry Spells - 10 consecutive days of rain fall below 1 mm The number of independent occasions where 10 consecutive days with less than 1 mm of rainfall is recorded during the calendar year.
Location
Baseline (mm)
2050s (mm)
Absolute Change (mm)
Relative Change (%)
Mean
Standard Deviation
Mean
Standard Deviation
1
7.7
2.5
9.7
2.6
+2.1
+26.7
2
3.2
1.7
5.0
2.0
+1.8
+57.4
3
3.9
1.8
5.7
2.2
+1.8
+46.9
4
6.2
2.3
8.3
2.4
+2.1
+33.5
5
6.5
2.3
8.4
2.4
+1.9
+29.8
6
6.1
2.3
8.7
2.5
+2.5
+41.3
7
6.5
2.2
8.7
2.5
+2.2
+33.3
8
6.2
2.3
8.5
2.3
+2.3
+36.9
Dry Spells - 20 consecutive days of rain fall below 1 mm The number of independent occasions where 20 consecutive days with less than 1 mm of rainfall is recorded during the calendar year.
Location
Baseline (mm)
2050s (mm)
Absolute Change (mm)
Relative Change (%)
Mean
Standard Deviation
Mean
Standard Deviation
1
1.0
1.0
1.6
1.2
+0.6
+57.1
2
0.2
0.4
0.6
0.7
+0.4
+214.6
3
0.3
0.5
0.6
0.7
+0.3
+128.7
4
0.5
0.7
1.1
1.0
+0.6
+126.0
5
0.5
0.7
1.1
1.0
+0.6
+116.6
6
0.5
0.7
1.4
1.1
+0.8
+164.0
7
0.6
0.7
1.3
1.1
+0.7
+131.3
8
0.6
0.8
1.4
1.0
+0.8
+123.4
The number of dry spells with rainfall below 1mm increases throughout the region. There are a greater number of days of absolute change for 10 consecutive days than 20 days. For 10 consecutive days, the average increase to be experienced across the region will be 2.1 dry spells. Independent occasions where 20 consecutive days with less than 1mm of rainfall are to increase are approximately by 0.6 across the region. The greatest increase is to be seen in the south and lowland areas of the region.
