Table 1: Grid locations and mean rainfall (mm) over a study area
DIST_NAME
|
Station Code
|
LAT
|
LONG
|
Elevation (m)
|
Mean Annual Precipitation (mm)
|
ANAND
|
AN
|
22.50
|
73.00
|
44
|
1113
|
BANSWARA 1
|
BA1
|
23.75
|
74.25
|
169
|
950
|
BANSWARA 2
|
BA2
|
23.75
|
74.50
|
268
|
947
|
BANSWARA 3
|
BA3
|
23.75
|
74.75
|
404
|
973
|
BANSWARA 4
|
BA4
|
23.50
|
74.25
|
206
|
884
|
BANSWARA 5
|
BA5
|
23.50
|
74.50
|
316
|
1015
|
BANSWARA 6
|
BA6
|
23.25
|
74.25
|
237
|
806
|
BANSWARA 7
|
BA7
|
23.25
|
74.50
|
379
|
904
|
BHARUCH 1
|
BH1
|
22.00
|
72.75
|
7
|
787
|
BHARUCH 2
|
BH2
|
22.00
|
73.00
|
19
|
916
|
CHITTAURGARH 1
|
CH1
|
24.50
|
74.25
|
487
|
857
|
CHITTAURGARH 2
|
CH2
|
24.25
|
74.50
|
448
|
630
|
CHITTAURGARH 3
|
CH3
|
24.25
|
74.75
|
545
|
734
|
CHITTAURGARH 4
|
CH4
|
24.00
|
74.75
|
495
|
661
|
DAHOD 1
|
DA1
|
23.25
|
74.00
|
188
|
880
|
DAHOD 2
|
DA2
|
23.00
|
74.00
|
283
|
1030
|
DAHOD 3
|
DA3
|
23.00
|
74.25
|
281
|
1092
|
DAHOD 4
|
DA4
|
22.75
|
73.75
|
174
|
899
|
DAHOD 5
|
DA5
|
22.75
|
74.00
|
244
|
940
|
DAHOD 6
|
DA6
|
22.75
|
74.25
|
331
|
711
|
DHAR
|
DH
|
22.75
|
75.00
|
483
|
814
|
DUNGARPUR 1
|
DU1
|
23.75
|
73.75
|
309
|
1005
|
DUNGARPUR 2
|
DU2
|
23.75
|
74.00
|
239
|
895
|
DUNGARPUR 3
|
DU3
|
23.50
|
74.00
|
145
|
876
|
DUNGARPUR 4
|
DU4
|
23.50
|
73.75
|
211
|
961
|
JHABUA 1
|
JH1
|
23.00
|
74.50
|
300
|
861
|
JHABUA 2
|
JH2
|
23.00
|
74.75
|
415
|
638
|
JHABUA 3
|
JH3
|
23.00
|
75.00
|
425
|
887
|
JHABUA 4
|
JH4
|
22.75
|
74.50
|
326
|
1030
|
JHABUA 5
|
JH5
|
22.75
|
74.75
|
396
|
972
|
KHEDA
|
KH
|
23.25
|
73.50
|
131
|
813
|
PANCH MAHALS 1
|
PM1
|
23.25
|
73.75
|
101
|
886
|
PANCH MAHALS 2
|
PM2
|
23.00
|
73.50
|
85
|
1030
|
PANCH MAHALS 3
|
PM3
|
23.00
|
73.75
|
146
|
953
|
PANCH MAHALS 4
|
PM4
|
22.75
|
73.50
|
100
|
939
|
PANCH MAHALS 5
|
PM5
|
22.50
|
73.50
|
130
|
864
|
RATLAM 1
|
RA1
|
23.50
|
74.75
|
436
|
936
|
RATLAM 2
|
RA2
|
23.25
|
74.75
|
336
|
821
|
RATLAM 3
|
RA3
|
23.25
|
75.00
|
423
|
782
|
UDAIPUR 1
|
UD1
|
24.50
|
74.00
|
418
|
732
|
UDAIPUR 2
|
UD2
|
24.25
|
73.75
|
471
|
756
|
UDAIPUR 3
|
UD3
|
24.25
|
74.00
|
287
|
820
|
UDAIPUR 4
|
UD4
|
24.25
|
74.25
|
468
|
678
|
UDAIPUR 5
|
UD5
|
24.00
|
73.75
|
275
|
990
|
UDAIPUR 6
|
UD6
|
24.00
|
74.00
|
224
|
1023
|
UDAIPUR 7
|
UD7
|
24.00
|
74.25
|
200
|
821
|
UDAIPUR 8
|
UD8
|
24.00
|
74.50
|
227
|
958
|
VADODARA 1
|
VA1
|
22.50
|
73.25
|
49
|
835
|
VADODARA 2
|
VA2
|
22.25
|
73.00
|
29
|
829
|
VADODARA 3
|
VA3
|
22.25
|
73.25
|
31
|
933
|
VADODARA 4
|
VA4
|
22.25
|
73.50
|
60
|
982
|
Table 2: Distribution of meteorological seasons over India
Seasons
|
Months
|
Pre-monsoon
|
March-May (MAM)
|
Monsoon
|
June–September (JJAS)
|
Post-monsoon
|
October–November (ON)
|
Winter
|
December-February (DJF)
|
Table 3: Statistical information of rainfall in Mahi River Basin, India during the period 1970 to 2020
Month
|
Mean
|
Maximum
|
Minimum
|
%
|
SD
|
CV (%)
|
January
|
1.8
|
18.2
|
0.0
|
0.2
|
4.1
|
226.4
|
February
|
0.7
|
10.1
|
0.0
|
0.1
|
1.6
|
231.3
|
March
|
0.3
|
12.1
|
0.0
|
0.0
|
1.7
|
523.6
|
April
|
0.9
|
12.7
|
0.0
|
0.1
|
2.3
|
256.4
|
May
|
4.2
|
41.9
|
0.0
|
0.5
|
9.5
|
226.3
|
June
|
110.6
|
356.6
|
1.1
|
12.2
|
83.9
|
75.9
|
July
|
275.3
|
587.1
|
65.3
|
30.4
|
116.8
|
42.4
|
August
|
307.5
|
755.2
|
43.1
|
34.0
|
167.4
|
54.4
|
September
|
163.5
|
512.3
|
6.0
|
18.1
|
114.7
|
70.2
|
October
|
28.6
|
145.8
|
0.0
|
3.2
|
36.2
|
126.8
|
November
|
9.1
|
122.7
|
0.0
|
1.0
|
24.1
|
263.5
|
December
|
2.1
|
37.6
|
0.0
|
0.2
|
6.3
|
299.1
|
Winter
|
4.6
|
37.8
|
0.0
|
0.5
|
7.5
|
164.2
|
Pre-Monsoon
|
5.4
|
42.0
|
0.0
|
0.6
|
9.7
|
178.1
|
Monsoon
|
856.8
|
1568.0
|
334.2
|
94.7
|
299.9
|
35.0
|
Post-Monsoon
|
37.7
|
145.8
|
0.0
|
4.2
|
40.7
|
107.9
|
Annual
|
904.6
|
1647.7
|
474.9
|
100.0
|
292.9
|
32.4
|
Table 4: Significance test of seasonal rainfall using Mann-Kendall in the Mahi River Basin, India
Seasons
|
p-value
|
Slope
|
Significance
(S or NS) /
(Increase or decrease)
|
Winter
|
0.4234
|
-0.0766
|
NS_ Decrease
|
Pre-Monsoon
|
0.4534
|
-0.1055
|
NS_Decrease
|
Monsoon
|
0.3945
|
-1.2343
|
NS_Decrease
|
Post-Monsoon
|
0.2183
|
-0.2449
|
NS_Decrease
|
NS_ Decrease = Non-significant Decrease
Table 5: The number of points and average precipitation for each of the clusters in 4 IMD seasons
Season
|
Subregion code
|
No. of grid points
|
Mean precipitation (mm)
|
Pre-Monsoon
|
MAM 1
|
16
|
5.12
|
MAM 2
|
25
|
7.16
|
MAM 3
|
10
|
10.33
|
Monsson
|
JJAS 1
|
16
|
929.27
|
JJAS 2
|
12
|
852.61
|
JJAS 3
|
17
|
832.45
|
JJAS 4
|
6
|
635.46
|
Post Monsoon
|
ON 1
|
12
|
31.33
|
ON 2
|
21
|
31.05
|
ON 3
|
18
|
40.32
|
Winter
|
DJF 1
|
16
|
2.4
|
DJF 2
|
20
|
5.72
|
DJF 3
|
15
|
7.62
|