Page updated January 16, 2018 10:55
Link to December 2017..Link February 2018

Data on this website may be freely used for personal and/or academic purposes only -but please do acknowledge Swanston Weather Site as source
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Swanston Weather Station
January 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 Temperature (°C)
2Minimum Temperature (°C)
3Rainfall
(mm)

4GrassMin Temp
(°C)
5Sunshine (Hours)

Solar
Rad'n High
(W/m2)

7ET
(mm)
6Max Wind
Speed (mph)
1
986.3
4.5
90
15
WSW
3.0
1500' (P)
6.6
3.2
2.0
1.0
3.54
253
0.5
35
Windy 31st December, gust 61 mph. Rain am 1st
1
2
999.3
3.6
88
10
SSE
3.0
1200' (P)
6.1
2.4
14.3
0.5
0.54
132
0.5
35
Sunny intervals 1st. Showers am 2nd
2
3
983.2
3.8
95
11
W
3.0
600'(PML)
6.2
0.7
2.7
– 0.1
2.13
123
0.3
27
Rain showers 2nd. Snow (1cm) early 3rd then rain sh.
3
4
987.2
3.6
98
4
ESE
3.0
?
4.6
3.6
6.6
2.7
0.0
53
0.0
18
Sunny intervals midday 3rd then showers. Fog am 4th
4
5
990.1
2.1
98
2
NNW
3.0
?
3.3
1.3
5.1
– 0.8
0.0
81
0.0
21
Low cloud, fog and rain 4th and am 5th
5
6
1017.0
2.1
80
7
NE
3.0
1200' (PML)
3.2
1.8
0.0
– 0.4
0.74
178
0.5
27
Low cloud, fog and rain 5th. Broken cloud am 6th
6
7
1033.3
– 2.8
86
0
WNW
2.0
1400' (PML)
3.8
– 3.1
0.0
– 7.5
5.73
190
0.3
14
Mainly cloudy 6th. Clear and frosty am 7th. 9.3h<0C
7
8
1028.7
0.0
85
9
SSE
1.5
1400' (PML)
2.8
– 1.2
0.0
– 6.8
5.74
169
0.8
29
Prolonged sun 7th. Clear and frosty am 8th. 14.9h<0C
8
9
1007.6
1.8
93
13
SE
1.0
1400' (PML)
5.7
0.0
0.0
– 1.9
0.04
102
0.3
31
Prolonged sun 8th. Cloudy am 8th
9
10
1002.7
3.6
95
2
N
1.5
?
3.9
1.7
0.0
0.6
0.0
58
0.0
22
Cloudy and dull 9th. Low cloud am 10th
10
11
1020.2
3.7
89
4
NW
2.0
Patches >1100'
5.4
2.1
0.0
1.6
0.0
65
0.3
12
Cloudy and dull 10th. Low cloud am 11th
11
12
1024.6
4.1
97
2
SE
3.0
Patches >1200'
6.7
3.7
0.0
1.5
2.73
156
0.5
26
Cloudy and dull 11th. Low cloud lifting am 12th
12
13
1015.9
4.0
88
9
SE
2.0
Patches >1300'
5.6
2.3
0.0
0.6
0.0
118
0.8
28
Sunny intervals 12th. Clear spells am 13th
13
14
1013.0
4.2
87
20
SW
2.5
Patches >1400'
8.3
4.0
6.7
3.0
0.02
84
0.8
69
Cloudy and dull 13th. Cloudy, increasingly windy am 14th
14
15
986.9
4.7
94
5
W
3.5
-
5.8
4.0
2.7
3.5
3.41
243
0.5
45
Rain and gusty winds evening 14th. Cloud breaking am 15th
15
16
982.9
0.4
95
11
W
3.0
3 cm
0.1
– 2.0
Rain and snow showers late 15th. Snow am 16th. 3cm 0900
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
31
 
31
 
   
Total/
Mean
5.2
1.7
40.1
– 7.5
23.72
243
6.1
69
 
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
Temperature
(°C)
2Mean Minimum
Temperature
(°C)
3Total Rainfall
(mm)


4GrassMin
Temperature
lowest
(°C)
5Total Sunshine
(Hours)
Solar
Rad'n highest
( W/m2)
7Total ET
(mm)
6Maximum
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

 

 

 

 

 


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