Page updated February 1, 2018 22:47
Link to December 2017..Link February 2018

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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
1.4
0.1
1.7
– 2.0
0.61
362
0.5
35
 Rain and snow showers late 15th. Snow am 16th.
16
17
994.2
0.7
90
12
W
2.0
8 cm
3.1
– 0.8
0.1
– 3.5
4.37
271
0.8
38
 Heavy snow sh/blowing sn 16th. Snow sh am 17th. 8.6h<0C
17
18
993.8
1.7
92
11
W
2.0
5 cm
3.4
0.7
1.2
– 1.0
2.62
272
0.5
26
 Sunny periods 17th. Light snow showers am 18th.
18
19
999.1
1.6
92
14
WSW
2.0
6 cm
2.4
0.5
0.8
– 1.1
2.20
292
0.5
30
 Sunny intervals 18th/light sn grain. Snow shwr o/nt 18th/19th
19
20
998.5
0.8
89
7
WNW
1.5
5 cm
3.2
0.0
0.0
– 2.0
5.13
267
0.5
27
 Sunny intervals 19th. Snow showers overnight 19th/20th
20
21
1009.2
1.2
72
13
S
1.5
5 cm
5.3
– 1.9
2.5
– 5.0
0.0
116
0.3
31
 Prolonged sun 20th. Turning cloudy am 21st. 14.0h<0C
21
22
1002.3
5.2
90
14
WSW
2.0
800' (PML)
9.1
0.5
1.5
0.6
0.39
142
0.8
31
 Heavy snow 1300-1400h, light rain 21st. Milder 22nd
22
23
998.8
9.0
93
22
SW
3.0
Patches >1200'
10.5
5.2
25.2
4.5
0.0
90
1.0
47
 Mainly cloudy 22nd. Rain am 23rd. Much milder
23
24
984.0
5.4
83
24
WSW
4.0
Patches >1300'
6.7
5.2
2.5
3.4
1.58
243
1.0
53
 Cloudy 23rd, heavy rain afternoon. Windy/wet am 24th
24
25
996.0
4.4
85
15
SW
3.0
Patches >1400'
7.1
3.9
0.1
1.9
3.90
255
0.8
33
 Windy with showers (hail) 24th. Variable cloud am 25th
25
26
1019.1
2.9
87
5
W
3.0
Patches >1400'
7.9
2.3
0.4
– 2.5
3.81
295
0.5
26
 Sunny intervals 25th. Clear spells am 26th
26
27
1008.2
7.7
92
24
SW
3.0
Patches >1500'
10.6
2.9
2.3
2.3
1.27
153
1.3
57
 Sunny intervals 25th. Cloudy am 26th, light rain
27
28
1014.9
6.3
96
1
NNE
4.0
-
11.4
6.0
3.2
4.4
0.0
123
0.8
56
 Mainly cloudy 27th, 57mph gust 1810h. Drizzle am 28th
28
29
1016..6
4.5
90
9
W
5.0
-
6.1
4.5
0.0
3.4
5.25
292
1.0
45
 Cloud/occ rain 28th. 56 mph gust 2220h. Clearer am 29th
29
30
1021.0
3.1
88
16
WSW
4.0
-
5.5
3.1
4.5
1.3
0.13
146
1.0
45
 Sunny periods 29th. Clear am 30th
30
31
991.9
1.0
93
17
W
3.5
2 cm
2.7
0.6
0.2
– 0.8
4.13
278
0.5
37
 Cloudy 30th, rain late eve'g. Snow showers am 31st
31
 
   
Total/
Mean
5.6
1.9
86.3
– 7.5
59.11
362
17.9
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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