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Table 3 Standard deviation (% RH) of differenced time series for historical and CC sensors (frequency of one record every 1 h and every 6 h)

From: Reconstruction of historical hygrometric time series for the application of the European standard EN 15757:2010 and its comparison with current time series

Time series

d01

d02

d03

d04

d05

d06

d07

d08

d09

CC (freq 1 h)

0.69

1.51

0.49

1.67

0.55

0.52

CC (freq 6 h)

0.75

1.51

0.50

1.71

0.54

0.5

Historic

2.46

1.12

2.67

2.50

0.91

2.71

2.89

1.77

1.35

  1. The time series of pairs d01, d03 and d07 were discarded