66
Table 3.4 Number of rainfall stations with identified trends by MK/mMK test at different confidence level in the study area
Increasing
Trends in
rainfall
Pre-monsoon
Monsoon
Post-monsoon
Winter
Annual
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
99% confidence
level
71
18.54
3
1.97
2
1.19
15
4.36
13
6.60
95% confidence
level
57
14.88
10
6.58
6
3.57
18
5.23
30
15.23
90% confidence
level
40
10.44
21
13.81
4
2.38
23
6.68
15
7.61
Insignificant
215
56.14
118
77.63
156
92.85
288
83.72
139
70.56
Total
383
67.08
152
26.62
168
29.42
344
60.25
197
34.50
Decreasing
trends in
rainfall
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
Number of
rainfall
stations
% of
stations
99% confidence
level
23
12.23
127
30.31
21
5.21
2
0.88
121
32.35
95% confidence
level
17
9.04
54
12.89
26
6.45
–
–
46
12.30
90% confidence
level
12
6.38
31
7.4
26
6.45
4
1.76
32
8.56
Insignificant
136
72.34
207
49.4
330
81.89
221
97.36
176
47.06
Total
188
32.02
419
73.38
403
70.58
227
39.75
374
65.50
T. Mandal et al.