Chelmsford Weather Station History
Since: January 1st, 2013

Updated: @ 01/11/2024 21:55 - next update at 01:00  
Measurement: Current: Yesterday Month / MTD Year / YTD Station Record
Temperature:  
Thermometer Average:
Maximum
Temperature:
Minimum
Temperature:
12.1°C
11.6°C
12.7°C
9:19 AM
10.5°C
12:30 PM
 
11.7°C
16°C
12:18 PM
9.6°C
12:56 AM
 
11.6°C
12.7°C
01-11
10.5°C
01-11
 
12.6°C
32.6°C
12-08
-6.4°C
18-01
 
---
38.9°C
19/07/2022
-7.8°C
17/12/2022
Wind Chill:
Wind Chill Minimum
Wind Chill:
12.1°C
10.5°C 
12:30 PM
 
9.3°C
1:00 AM
 
10.5°C
01-11
 
-9.7°C
18-01
 
-15.9°C
31/03/2013
Heat Index:
Heat Index Maximum
Heat Index:
12.1°C
12.7°C
9:19 AM
 
16.0°C
12:18 PM
 
12.7°C
01-11
 
35.8°C
12-08
 
56.0°C
14/08/2022
Solar Radiation W/m2:
Heat Index Maximum
Solar Radiation:
Sunshine
Hours:
0
249
9:13 AM
00
Hours
 
443.0
11:52 AM
00
Hours
 
249.0
01-11
00
Hours
 
1264.0
14-06
1165
Hours
 
1264.0
14/06/2024
---
 
Evapotranspiration:
Heat Index Watering
Index1:
0.5
0.5
mm
 
0.8
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
 
64.1 mm
0.0%
 
468.60 mm
 
599.8 mm
78.1%
Rec Year5
866.2 mm
2014
---
---
Humidity:
Humidity Maximum
Humidity:
Minimum
Humidity:
86%
92%
12:00 AM
79%
6:41 AM
 
96%
12:00 AM
69%
2:32 PM
 
92%
01-11
79%
01-11
 
100%
02-01
34%
29-06
 
100%
01/12/2012
0%
13/01/2017
Dew Point:
Dew Point Maximum
Dew Point:
Minimum
Dew Point:
9.8°C
10.3°C
12:00 AM
8.4°C
6:41 AM
 
11.4°C
12:00 PM
9.0°C
12:56 AM
 
10.3°C
01-11
8.4°C
01-11
 
21.5°C
12-08
-9.0°C
18-01
 
23.2°C
02/07/2021
-12.3°C
25/01/2023
Wind: WSW
wind Maximum
Avg Wind Speed:
Avg Wind Gust:
Maximum
Wind Gust:
Wind
Run:
0.4 mph
9.2 mph
10:54 AM
2.7 mph
14.3 mph
10:54 AM
58.40
Miles
 
6.9 mph
2:35 PM
---
11.5 mph 2:34 PM
25.03
Miles
 
9.2 mph
01-11
---
14.3 mph
01-11
58.40
Miles
 
25.1 mph
02-01
---
50.6 mph
23-01
31938.74
Miles
 
36.8 mph
01/03/2013
---
50.6 mph
23/01/2024
---
 
Barometer:  Rising 0.3 °C/hr( hPa)
Barometer Maximum
Barometer:
Minimum
Barometer:
1027.9
1027.9
9:21 PM
1023.0
3:39 AM
 
1028.8
12:00 AM
1024.1
11:50 PM
 
1027.9
01-11
1023.0
01-11
 
1037.7
11-01
974.0
22-02
 
1048.3
20/01/2020
956.2
02/11/2023
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