IHAs PC1 PC2 PC3 PC4 PC5 PC6
Mean flow in January 0.66 0.62 0.23 0.02 -0.13 0.07
Mean flow in February 0.60 0.58 0.33 0.09 0.00 0.12
Mean flow in March 0.65 0.20 0.17 0.16 -0.46 0.30
Mean flow in April 0.36 -0.27 -0.51 0.03 -0.39 0.46
Mean flow in May 0.38 0.36 -0.66 0.30 0.56 0.12
Mean flow in June 0.46 0.21 -0.54 0.56 0.27 0.12
Mean flow in July 0.65 -0.36 -0.11 0.30 0.20 -0.11
Mean flow in August 0.60 -0.61 0.21 0.00 -0.03 0.16
Mean flow in September 0.67 -0.50 0.09 -0.16 0.09 -0.14
Mean flow in October 0.67 -0.16 -0.15 -0.28 -0.08 -0.07
Mean flow in November 0.60 0.04 -0.47 -0.25 -0.11 -0.31
Mean flow in December 0.60 0.23 -0.22 -0.22 0.10 -0.33
1-day minimum 0.82 0.44 0.18 0.06 -0.05 -0.14
3-day minimum 0.82 0.45 0.20 0.04 -0.04 -0.12
7-day minimum 0.79 0.53 0.21 0.02 -0.05 -0.07
30-day minimum 0.85 0.59 0.20 -0.01 -0.05 -0.08
90-day minimum 0.74 0.30 0.19 -0.05 -0.24 0.04
1-day maximum 0.67 -0.63 0.24 -0.12 0.16 0.05
3-day maximum 0.68 -0.61 0.23 -0.14 0.17 0.04
7-day maximum 0.70 -0.59 0.20 -0.11 0.15 0.06
30-day maximum 0.72 -0.61 0.18 -0.01 0.13 0.13
90-day maximum 0.75 -0.60 0.12 0.06 0.13 0.07
Base flow index 0.16 0.84 0.23 -0.01 -0.03 -0.03
Date of minimum -0.24 0.34 0.37 -0.21 0.09 0.56
Date of maximum 0.12 -0.37 0.05 -0.38 -0.10 0.13
Low pulse count -0.73 0.15 0.22 -0.28 0.09 0.03
Low pulse duration -0.18 -0.26 -0.21 0.63 -0.21 0.22
High pulse count 0.22 0.47 -0.36 -0.28 0.13 0.10
High pulse duration 0.07 -0.27 0.13 0.74 -0.10 -0.31
Rise rate 0.69 0.09 -0.58 -0.06 -0.06 0.17
Fall rate -0.77 0.00 0.56 0.05 0.11 0.00
Number of reversals 0.12 0.50 -0.14 -0.03 0.61 0.28