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September 2008 Forecast/Analysis
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27-08-2008 10:45pm#1Supercell, Will open this if ok, as you seem occupied
. Feel free to change the questions if you must, but I will try to keep to your style
Overall mean for September is 12.8c. (double checked this time).
Questions below which include my own reckonings.
1. Overall September Mean (12.6c)
2. Highest recorded temperature of the month? (19.9c)
2a. At which station? (Oak Park)
3. Coolest recorded temperature of the month? (1.3c)
3a. At which station? (Claremorris)
4. % of 61-90 normal sunshine at Belmullet for the month? (80%)
5. Mean temperature difference of normal at Cork Airport? (0.4c)
6. Total rainfall for the 3 day period of 16th/17th/18th of September at Oak Park. (17.3mm)
Good luck everyone. :cool:0
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1. Overall September Mean (13.3c)
2. Highest recorded temperature of the month? (24.5c)
2a. At which station? (Casement)
3. Coolest recorded temperature of the month? (1.5c)
3a. At which station? (Dublin)
4. % of 61-90 normal sunshine at Belmullet for the month? (103%)
5. Mean temperature difference of normal at Cork Airport? (+0.3c)
6. Total rainfall for the 3 day period of 16th/17th/18th of September at Oak Park. (2.0 mm)
So now you know what it won't be like
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Although I seem to be useless at this
, here goes.
1. Overall September Mean (13.8c)
2. Highest recorded temperature of the month? (20.8c)
2a. At which station? (Kilkenny)
3. Coolest recorded temperature of the month? (3.5c)
3a. At which station? (Mullingar)
4. % of 61-90 normal sunshine at Belmullet for the month? (103%)
5. Mean temperature difference of normal at Cork Airport? (+1.0c)
6. Total rainfall for the 3 day period of 16th/17th/18th of September at Oak Park. (5.4mm)0 -
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I feel I've set the mean too high. sorry supercell
1. Overall September Mean (13.3c)
2. Highest recorded temperature of the month? (21.8c)
2a. At which station? (Shannon)
3. Coolest recorded temperature of the month? (2.3c)
3a. At which station? (Birr)
4. % of 61-90 normal sunshine at Belmullet for the month? (95%)
5. Mean temperature difference of normal at Cork Airport? (0.3c)
6. Total rainfall for the 3 day period of 16th/17th/18th of September at Oak Park. (11.2mm)0 -
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1. Overall September Mean (15C)
2. Highest recorded temperature of the month? (23c)
2a. At which station? (Casement)
3. Coolest recorded temperature of the month? (4.1c)
3a. At which station? (Knock Airport)
4. % of 61-90 normal sunshine at Belmullet for the month? (92%)
5. Mean temperature difference of normal at Cork Airport? (1.5c)
6. Total rainfall for the 3 day period of 16th/17th/18th of September at Oak Park 5mm
Hope I'm not too late with this 0 -
Final Overall Mean for August 08 came it at 15.1c, 0.6c above average:
West coolest in general.
Despite the warmer than average conditons, Mean maxima was slightly below, due in no small part to the consistancy of cloud. Mean minima, on the other hand, was well above normal. A cruel irony that destroyed this summer month.
Tables of Max/Min anomalies:
Rainfall during August was well distributed across the country, Connaght, North Munster and parts of N.E Leinster proved to be the wetter places.
Table below shows the Overall Mean Rainfall for August, with a second table showing more station accumulations. This chart suggests that the extreme north, and the southern half a leinster were the driest areas during the month, relatively speaking.
Overall, mean rainfall was around twice that of normal.
Pressure wise, August 08 was marked by its consistantly below normal values. Although pressure did rise in the last few days, it failed to reach the August norm of 1014 mb. Mean values finished off at 1006.5 mb, which equates to around 7.0 mb below normal.
Wind wise, nothing out of the ordinary. A few windy days were balanced out by a lot of calmness during the month. Mean windspeeds came in around or just above normal: (8.5 Knts against the 61-90 mean of 8.2 Knts)
Tables below of daily mean windspeed values, and mean daily directional values:
General mean direction, based on 00hrs-00hrs daily means equated to 225 degrees, which is bang on southwesterly:
Simplistic Climate Analysis of the year of 2008 up to and including August:
Overall Mean temperature deviation:
A slight warming phase took place during August.
Deviational values of both the January-August periods of both 2007 and 2008 when set against the 61-90 mean:
The warm August of 2008 failed to bring the January-August yearly average to the levels achieved by the same period in 2007. Although, at 0.84c, it is still almost 1.0c above the 61-90 mean.
Rainfall Means and Totals for the January-August period:
2008 proving to be much wetter than 2007 so far, which in turn was much wetter than the 61-90 average.
Totals for the Jan-Aug period of 2008 at each of the 10 main stations:
Southwest and West the wettest areas, while the East and Midlands escaped the worst of the rainfall, as would be the norm.
I wonder is that why more people live in that region?
Met Eireann's more detailed sum up of the month can be read here, as can their summer analysis.
*All tables based on values from the main 10 Met Eireann stations (O.I.M), except wind and pressure charts, which only incorporate mean values from Malin Head, Belmullet, Casement, Birr and Roaches Point.
Sources. Met Eireann, Ogimet, NOAA.0 -
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