Chelmsford Weather Station History
Since: January 1st, 2013

Updated: @ 01/04/2020 01:30 - next update at 01:00  
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Temperature: Colder 1.3°C than last hour.
Thermometer Average:
Maximum
Temperature:
Minimum
Temperature:
-0.4°C
0.5°C
1.5°C
00:17
-0.4°C
01:19
 
5.7°C
10.8°C
15:49
0.7°C
23:49
 
0.5°C
1.5°C
01-04
-0.4°C
01-04
 
7.0°C
16.3°C
18-03
-3.1°C
21-01
 
---
38.0°C
25/07/2019
-7.6°C
17/01/2013
Wind Chill:
Wind Chill Minimum
Wind Chill:
-0.4°C
-0.4°C 
01:19
 
0.7°C
23:49
 
-0.4°C
01-04
 
-3.1°C
21-01
 
-10.8°C
17/01/2013
Heat Index:
Heat Index Maximum
Heat Index:
-0.4°C
1.5°C
00:17
 
10.8°C
15:49
 
1.5°C
01-04
 
16.3°C
18-03
 
45.3°C
25/07/2019
Solar Radiation W/m2:
Heat Index Maximum
Solar Radiation:
Sunshine
Hours:
0
0
00:00
00
Hours
 
345.6
12:27
03
Hours
 
0.0
16-03
95
Hours
 
525.5
16-03
157
Hours
 
1185.0
12/07/2014
---
 
Evapotranspiration:
Heat Index Watering
Index1:
0.1
0.1
mm
 
0.7
mm
 
0.0
mm
 
---
 
 
---
 
Rain2:
Rain / Snow Melt Rainfall
or Melt:
Average:
Percent of Average:
0.00 mm
0.00 mm
 
---
---
 
0.00 mm
 
---
---
 
0.00 mm
 
25.7 mm
0.0%
 
178.70 mm
 
599.8 mm
29.8%
Rec Year5
866.2 mm
2014
---
---
Humidity:
Humidity Maximum
Humidity:
Minimum
Humidity:
100%
100%
01:25
93%
00:12
 
100%
00:01
62%
17:11
 
100%
01-04
93%
01-04
 
100%
01-01
26%
26-03
 
100%
01/12/2012
25%
13/01/2017
Dew Point:
Dew Point Maximum
Dew Point:
Minimum
Dew Point:
-0.4°C
0.7°C
00:06
-0.6°C
01:14
 
5.7°C
09:48
0.6°C
23:50
 
0.7°C
01-04
-0.6°C
01-04
 
14.0°C
10-03
-7.2°C
26-03
 
23.3°C
23/07/2019
-7.6°C
28/02/2018
Wind: NW
wind Maximum
Avg Wind Speed:
Avg Wind Gust:
Maximum
Wind Gust:
Wind
Run:
0.0 mph
0.0 mph
00:22
0.9 mph
1.2 mph
00:22
0.00
Miles
 
9.2 mph
12:23
---
13.1 mph 09:12
22.00
Miles
 
0.0 mph
01-04
---
1.0 mph
01-04
0.00
Miles
 
31.1 mph
09-02
---
42.6 mph
09-02
5828.81
Miles
 
31.1 mph
09/02/2020
---
42.6 mph
09/02/2020
---
 
Barometer:  Falling 0.6 °C/hr( hPa)
Barometer Maximum
Barometer:
Minimum
Barometer:
1026.7
1027.8
00:00
1026.7
01:29
 
1032.2
09:48
1027.7
23:58
 
1027.8
01-04
1026.7
01-04
 
1048.3
20-01
978.1
29-02
 
1048.3
20/01/2020
970.6
13/12/2019
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Version 3.02 - 31-Dec-2011 - Script by: WebsterWeatherLIVE.com
1Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
2Rain season: Jan 1st to Dec 31st.   5From this station's records based on complete years data for rain/snow season. Does not include current year/season

Φ = Average Reading