Broken sensor: The rain sensor has ceased to function as of approx 12 March. I aim to replace it in September. Meantime, data is served from nearby Bloomsbury, courtesy of UCL casa.

Detailed Rainfall Data

Current / Latest
MeasureValue
Daily Rain 0.6 mm
Rain Last 10 mins 0.0 mm
Rain Last Hour 0.2 mm
Rain Last 3 hrs 0.6 mm
Rain Last 6 hrs 0.6 mm
Rain Last 24 hrs 0.6 mm
Rain Duration 1.9 hrs
Rain Rate 0.2 mm/h
Past 24hrs Duration 2 hrs
--- ---
Most Recent Rain 44 mins ago
Yesterday's Rain 0.0 mm
Last 7 Days' Rain 16.2 mm
Last 31 Days' Rain 84.7 mm
Last 365 Days' Rain 527.6 mm
Monthly Rain 61.6 mm (175%)
Annual Rain 335.5 mm (102%)
Summer Rain 113.7 mm (147%)
--- ---
Consecutive Wet Days 1 day
Monthly Rain Days 10
Annual Rain Days 76
Daily Rain Last Year 0.0 mm
Last Month Rain-to-date 29.0 mm
Last Year Rain-to-date 377.5 mm
Current Extremes
Measure Year Month Today Yesterday
Max Rain Rate 100 mm/h
29th May
48 mm/h
11th
1.4 mm/h
11:50
-
n/a
Most Rain In One Hour 8.5 mm
5th Mar
6.6 mm
11th
0.4 mm
11:50
-
n/a
Wettest Day 35.6 mm
17th May
29.7 mm
11th
-
-
Longest Wet Spell 10 days
29th Jan - 7th Feb
5 days
18th Jul - 22nd
-
-
Longest Dry Spell 18 days
30th Mar - 16th Apr
12 days
29th Jun - 10th
-
-
Wettest Month 85.9 mm
May
-
-
-
Driest Month 2.9 mm
Apr
-
-
-
Most Rain Days 17
Feb
-
-
-
Fewest Rain Days 4
Apr
-
-
-
31dayrain

Records
Measure Overall July 26th Jul
Max Rain Rate 162 mm/h
7th Feb 2016
126 mm/h
Day 12, 2016
11 mm/h
2015
Most Rain In One Hour 33.3 mm
27th Jun 2009
11.2 mm
Day 24, 2015
3.4 mm
2015
Wettest Day 40.7 mm
13th Oct 2014
31.9 mm
Day 24, 2015
7.6 mm
2015
Longest Wet Spell 19 days
30th Dec - 17th Jan 2014
9 days
6th Jul - 14th Jul 2012
-
Longest Dry Spell 25 days
12th Apr - 6th May 2011
19 days
4th Jul - 22nd Jul 2013
-
Wettest Month 144.2 mm
Nov 2009
89.0 mm
2012
-
Driest Month 1.8 mm
Apr 2011
15.1 mm
2010
-
Most Rain Days 29
Jan 2014
17
2009
-
Fewest Rain Days 2
Apr 2011
7
2016
-
Wettest Days
RankValueDate
1 40.7 mm 13th Oct 2014
2 38.5 mm 25th Aug 2014
3 35.8 mm 27th Jun 2009
4 35.6 mm 17th May 2017
5 34.3 mm 6th Aug 2009
6 32.0 mm 13th Sep 2013
7 31.9 mm 24th Jul 2015
8 31.7 mm 1st May 2010
9 30.4 mm 23rd Jun 2016
10 29.8 mm 23rd Nov 2014
11 29.7 mm 11th Jul 2017
12 29.3 mm 20th Sep 2014

More Records
MeasureValue and Date
Wettest Year 815.2 mm, 2014
Driest Year 507.0 mm, 2011
Wettest 365 days 879.5 mm, Ending 12th Dec 2014
Driest 365 days 453.1 mm, Ending 28th Feb 2012
Wettest 31 days 152.5 mm, Ending 14th Jan 2014
Driest 31 days 0.4 mm, Ending 6th May 2011
Wettest 24hrs 54.2 mm, Ending 14:08, 2nd May 2010
Wettest Months
RankValueDate
1 144.2 mm Nov 2009
2 141.5 mm Jan 2014
3 118.3 mm Aug 2014
4 117.7 mm Jun 2012
5 106.1 mm Nov 2014
6 101.4 mm Dec 2012
7 100.4 mm Apr 2012

Past Year Monthly Totals
MonthTotalAnomaly
January 201768.7 mm125%
February 33.9 mm85%
March 30.4 mm69%
April 2.9 mm6%
May 85.9 mm168%
June 52.1 mm95%
July 201622.3 mm53%
August 18.1 mm34%
September 38.7 mm68%
October 38.7 mm60%
November 82.4 mm147%
December 10.5 mm19%
12-month Total 484.6 mm 78%
Driest Months
RankValueDate
1 1.8 mm Apr 2011
2 2.9 mm Apr 2017
3 9.4 mm Jun 2015
4 10.5 mm Dec 2016
5 11.1 mm Mar 2011
6 15.1 mm Jul 2010
7 15.5 mm Oct 2011

Past Year Seasonal Totals
SeasonTotalAnomaly
Winter 16/17113.1 mm75%
Spring 2017119.2 mm83%
Summer 2016132.2 mm88%
Autumn 2016159.8 mm90%

12monthrain

Note 1: Rain records began in February 2009
Note 2: The minimum recordable rain (the rain gauge resolution) is 0.2 mm
Note 3: Figures in brackets refer to departure from average conditions
Note 4: Rain rate records are manually checked, and changed if necessary, due to occasional lag in data transmission. Initial high readings may well be corrected at a later date.

View daily totals for the past year

Last 24hrs Rainfall