Page updated December 10, 2018 21:09
Link to November 2018..Link to January 2019

Data on this website may be freely used for personal and/or academic purposes only -but please do acknowledge Swanston Weather Site as source
FOR MEDIA USE PLEASE CONTACT ME FIRST

Swanston Weather Station
December 2018 (Means and totals to date are at foot of table)
 
  0900 GMT readings
 Daily  Readings (See notes at foot of page)
Weather in previous 24h & hours of air frost (to 0900 on date)
Date
Date
Pressure
(mb)
Temp (°C)
Relative
Humidity (%)
Wind Speed
(mph)
Wind
Direction
SoilTemp @ 20cm
(°C)
SnowDepth(cm) or
Pentlands, Lammermuirs, Moorfoots snowline(ft)
1Maximum Temp (°C)
2Minimum Temp (°C)
3Rainfall
(mm)

4Grass Min Temp
(°C)
5Sun (Hours)

Solar
Rad'n High
(W/m2)

7ET
(mm)
6Max Wind
Speed (mph)
1
999.6
4.7
85
5
SSW
5.0
P1600'
7.1
2.7
0.3
1.0
0.00
100
0.5
30
Turning mild pm 30th,shwrs with some sn. Dry am 1st
1
2
990.1
3.6
98
2
ESE
6.0
7.8
3.6
5.6
2.6
0.00
98
0.1
25
Overcast, low cloud 1st. Fog am 2nd
2
3
993.7
3.7
92
7
WNW
6.0
6.1
3.6
0.2
1.6
4.94
163
0.3
30
Dull,low cloud 2nd. Much clearer am 3rd
3
4
1016.7
3.8
89
7
WSW
5.0
5.1
1.8
0.1
– 1.0
1.64
146
0.5
23
Sunny periods 3rd. Clear then cloudy am 4th
4
5
1014.8
1.2
92
3
SE
4.0
9.7
0.2
6.8
– 3.1
0.00
37
0.0
15
Sunny intervals am 4th. Frost am 5th, turning cloudy
5
6
1000.8
9.7
93
22
SW
5.0
11.6
1.2
3.3
2.3
1.01
207
0.6
41

Light rasn am 5th, then rain. Cloudy am 6th.Milder

6
7
988.0
6.0
83
21
WSW
5.5
8.0
5.6
2.6
3.9
3.54
155
0.9
47
A few sunny intervals 6th. Rain am 7th
7
8
989.4
7.6
84
20
WNW
6.0
8.2
5.0
0.4
4.2
1.91
220
0.8
40
Sunny 7th then squally rain 1600 onwards. Fine am 8th
8
9
1004.8
3.6
85
9
W
5.0
6.6
3.4
0.0
1.5
2.51
207
0.6
18
Turning colder pm 8th. Clear am 9th
9
10
1024.9
2.6
89
3
WNW
5.0
2.6
– 0.5
4.37
204
Sunny intervals 9th, clear am 10th
10
11
 
11
12
 
12
13
 
13
14
 
14
15
 
15
16
 
16
17
 
17
18
 
18
19
 
19
20
 
20
21
 
21
22
 
22
23
 
23
24
 
24
25
 
25
26
 
26
27
 
27
28
 
28
29
 
29
30
 
30
9.7
5.2
46.8
– 3.1
54.89
424
18.8
60
 
Total/
Mean
7.8
3.0
19.3
– 3.1
19.92
220
4.3
47
 
Date
 
Pressure
(mb)
Temp
(°C)
Relative
Humidity
(%)
Wind
Speed (mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow Depth(cm)
or
Pentlands Snow line(ft)
1 Mean Maximum
Temp
(°C)
2Mean Minimum
Temp
(°C)
3Total Rainfall
(mm)


4Grass Min
Temp
lowest
(°C)
5Total Sun
(Hours)
Solar
Rad'n highest
W/m2
7Total ET
(mm)
6Max
Wind Speed
(mph)
 
  0900 GMTreadings
Daily Readings (see notes below)  
   

 

Notes
1. For the 24 hours from 0900UTC* on the date to 0900UTC* on the following day. (The maximum temperature is generally in the afternoon*)
2. For the 24 hours ending at 0900UTC* on the date. (The minimum temperature is generally just after sunrise*)
*Where a maximum is overnight or minimum is during the day the figure is shown in italics. This often occurs in winter
3. For the 24 hours from 0900UTC* on the date to 0900UTC* on following day. SEPA = Scottish Environmental Protection Agency/UKMO 5" diameter gauge
4. For the period from sunset on previous day to 0900UTC* on the date
5.For the period sunrise to sunset on the date
6. For the period 0000UTC*-2400UTC* on the date i.e the Calendar Day
7. Total evapotranspiration on the date (in mm).
* UTC is Universal Time Coordinated. It has been adopted by the UK Met.Office in place of Greenwich Mean Time (GMT). When British Summer Time is in force UTC is BST minus one hour ,e.g.1000BST=0900UTC

 

 

 

 

 


free web stats