erratic [Adjective] + rainfall [Noun]

Strength Strength Dispersion
A:
4
CHISQ:
1,044.11
AWT:
23,229,509
TTEST:
1.99
G2:
48.01
FAWT:
2.34
MI:
8.04
LOGLOG:
16.08
JD:
0.39
MI3:
12.04
DICE:
1.01
RANGE: