Select QC method:
Flagged rows (%)
Total flagged rows
Total rows
Years where top-10 is 0
Day of week bias
Hour of day bias
Years with intermittency issue
Suspicious offset -1 or +1 day
Years with min-val change
Affinity index with nearest neighbour
Correlation to nearest neighbour
Exceedance of world record
Exceedance of
R99p
Exceedance of
PRCPTOT
Exceedance of
Rx1day
Suspiciously long dry spells
Potential monthly accumulations
Streaks of 2 or more large repeated values
Streaks of 12 or more non-zero repeated values
Streaks of 24 or more non-zero repeated values
Zeros bounded by streaks of >24 repeated values
Much wetter than neighbours
Much drier than neighbours
Select data:
15 mins
1 hour
The rain gauge network is incomplete. Only what is on the UKCEH database.
For more information about the Quality control methods see
Lewis et al. (2021)
The open-source Python package:
RainfallQC
was used to run Quality Control.