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MY WEATHER OBSERVATIONS FOR MAY 1999

Date Sunshine (Hours) Rainfall (Inches) Maximum Temperature (Faraneit) Minimum Temperate (Faraneit) Wind Direction Additional Comments
May 1
8.3
0.00
63
46
South
May 2
1.2
0.00
59
46
South-East
May 3
10.3
0.00
70
47
Calm
May 4
5.3
0.00
62
46
North-East
May 5
6.2
0.00
59
45
North-East
May 6
0.0
0.00
62
50
South-East
May 7
6.0
0.66
67
46
South-East
Thunderstorm evening.
May 8
7.2
0.32
64
47
South-West
May 9
4.0
0.08
66
55
South-East
May 10
5.1
0.43
63
53
South-West
May 11
5.9
0.26
64
50
South-West
May 12
4.2
0.00
63
50
South-West
May 13
5.2
0.00
61
49
West
May 14
3.6
0.00
59
47
North-East
May 15
2.8
0.00
59
45
East
May 16
2.1
0.00
61
46
North-East
May 17
3.1
0.00
59
43
North-East
May 18
7.4
0.00
56
45
East
May 19
8.2
0.00
65
47
North-East
May 20
11.3
0.00
73
46
North-East
May 21
4.0
0.11
61
52
South-West
May 22
8.9
0.00
57
49
North-West
May 23
6.2
0.00
66
50
South-West
May 24
2.8
0.22
63
51
South-West
May 25
7.7
0.00
61
45
West
May 26
5.6
0.00
68
50
South
May 27
11.0
0.00
75
49
South-East
May 28
4.7
0.82
69
52
South
Severe Thunderstorm 2.30am
May 29
7.2
0.00
70
54
Calm
May 30
0.0
0.00
58
46
East
May 31
1.3
0.00
62
46
Calm
166.8 hours
66.3 mm
63.4
48.2
Average
179 hours
59 mm
61
45

The mean temperature for May 1999 was 13.3C (56F).

The usual mean temperature for May is 11.7C (53.1F)

May 1999 was marginally warmer than May 1998. It was the warmest May since 1992 (Which was the warmest May of the 20th Century) and was as warm as 1989. May 1998 was drier and sunnier however.

The Highest Day Maxima was 75F on May 27th.

The Lowest Day Maxima was 56F on May 18th.

The Highest Night Minima was 55F on May 9th. (This was the same highest night minima as May 1998 and it also occurred on the same date - May 9th).

The Lowest Night Minima was 43F on May 17th.

The Sunniest Day was May 20th with 11.3 Hours.

The Wettest Day was May 28th with 0.82 inches of rain (20.8 millimetres).

The Highest Air Pressure was 1028 MB on May 31st.

The Lowest Air Pressure was 1008 MB on May 10th.

The prevailent wind direction was variable but South-East and North-East.

There were two sunless days recorded all month and two thunderstorms.

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