Government of Nepal Ministry of Energy, Water Resources and Irrigation Department of Hydrology and Meteorology Nagpokhari, Kathmandu, Nepal. ANNUAL EXTREME RAINFALL (FOR SELECTED STATIONS) Note: The Precipitation extremes are usually recorded in Nepal during the monsoon months (June-September) especially in the month of July & August and only in some cases the extremes are recorded in the other months. The stations selected in this monitoring shows the annual extreme rain recorded in the station at Surkhet in the Far-western region of Nepal of 423.1mm on 15 th August 2014. The rising, falling and the no trends are observed in 8, 7 and 5 stations respectively (Table 1). 123.4 86.7 109.7 107.5 85.3 162.1 122.8 100.0 81.2 73.8 27.5 36.0 57.8 32.2 47.5 77.0 96.6 42.4 40.4 69.6 96.2 52.4 87.0 66.4 216.0 92.3 122.2 123.4 52.4 80.0 62.0 119.5 92.0 49.6 82.5 62.4 121.2 87.5 187.4 127.4 62.8 132.4 59.2 90.0 147.4 77.6 160.0 66.0 94.0 186.5 226.2 82.4 53.6 124.8 167.7 126.4 135.0 74.0 100.0 53.0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 1956 1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 Rainfall (mm) Year ANNUAL EXTREME RAINFALL AT DADELDHURA Extreme rainfall ever recorded:226.2 mm on 18th August 2009 170.7 119.4 154.2 149.3 138.4 173.0 139.2 97.8 137.8 125.0 145.0 154.0 168.0 129.1 112.2 175.0 56.4 52.0 164.0 175.0 86.0 102.0 72.0 83.0 144.5 221.7 165.7 267.0 255.7 144.0 99.0 135.0 186.0 97.5 203.4 144.2 190.0 119.6 100.4 161.0 149.0 201.0 166.5 106.4 133.0 130.6 197.0 265.0 115.3 121.6 66.0 175.4 229.0 269.4 188.2 131.8 132.0 145.7 172.0 147.0 155.0 156.0 99.0 50 80 110 140 170 200 230 260 1956 1959 1962 1965 1968 1971 1974 1977 1980 1983 1986 1989 1992 1995 1998 2001 2004 2007 2010 2013 2016 2019 Rainfall (mm) Year ANNUAL EXTREME RAINFALL AT DHANGADHI Extreme rainfall ever recorded: 269.4 mm on 18th
Transcript
Government of Nepal Ministry of Energy, Water Resources and Irrigation
Department of Hydrology and Meteorology
Nagpokhari, Kathmandu, Nepal.
ANNUAL EXTREME RAINFALL (FOR SELECTED STATIONS)
Note: The Precipitation extremes are usually recorded in Nepal during the monsoon months (June-September) especially in the month of July & August and only in some cases the extremes are recorded in the other months. The stations selected in this monitoring shows the annual extreme rain recorded in the station at Surkhet in the Far-western region of Nepal of 423.1mm on 15th August 2014. The rising, falling and the no trends are observed in 8, 7 and 5 stations respectively (Table 1).
123.4
86.7
109.7
107.5
85.3
162.1
122.8
100.0
81.2
73.8
27.5
36.0
57.8
32.2
47.5
77.0
96.6
42.440.4
69.6
96.2
52.4
87.0
66.4
216.0
92.3
122.2
123.4
52.4
80.0
62.0
119.5
92.0
49.6
82.5
62.4
121.2
87.5
187.4
127.4
62.8
132.4
59.2
90.0
147.4
77.6
160.0
66.0
94.0
186.5
226.2
82.4
53.6
124.8
167.7
126.4
135.0
74.0
100.0
53.0
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
19
56
19
58
19
60
19
62
19
64
19
66
19
68
19
70
19
72
19
74
19
76
19
78
19
80
19
82
19
84
19
86
19
88
19
90
19
92
19
94
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
20
20
Ra
infa
ll (
mm
)
Year
ANNUAL EXTREME RAINFALL AT DADELDHURA
Extreme rainfall ever recorded:226.2 mm on 18th August 2009
170.7
119.4
154.2
149.3
138.4
173.0
139.2
97.8
137.8
125.0
145.0
154.0
168.0
129.1
112.2
175.0
56.452.0
164.0
175.0
86.0
102.0
72.0
83.0
144.5
221.7
165.7
267.0255.7
144.0
99.0
135.0
186.0
97.5
203.4
144.2
190.0
119.6
100.4
161.0
149.0
201.0
166.5
106.4
133.0
130.6
197.0
265.0
115.3
121.6
66.0
175.4
229.0
269.4
188.2
131.8
132.0
145.7
172.0
147.0
155.0
156.0
99.0
50
80
110
140
170
200
230
260
19
56
19
59
19
62
19
65
19
68
19
71
19
74
19
77
19
80
19
83
19
86
19
89
19
92
19
95
19
98
20
01
20
04
20
07
20
10
20
13
20
16
20
19
Ra
infa
ll (
mm
)
Year
ANNUAL EXTREME RAINFALL AT DHANGADHI
Extreme rainfall ever recorded: 269.4 mm on 18th
71.7
126.0
47.6
90.0
113.1
66.0
59.2
107.2
66.6
67.4
46.2
148.4
62.8
91.8
62.0
80.2
98.8
67.6
153.8
72.8
66.4
77.8
100.4
149.4
137.0
44.1
130.0
245.7
86.0
62.6
71.0
186.3
88.089.0
139.0
67.0 58.7
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
220.0
240.0
260.0
19
82
19
83
19
84
19
85
19
86
19
87
19
88
19
89
19
90
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
20
16
20
17
20
18
20
19
20
20
Ra
infa
ll (
mm
)
YEAR
ANNUAL EXTREME RAINFALL AT DIPAYAL
Extreme rainfall ever recorded: 245.7mm on 6th October 2009
64.0
38.1
42.2
50.8
63.5
43.7
61.3
28.0
40.0
25.4
43.4
28.4
90.6
29.0
84.4
66.0
33.4
63.0
206.8
31.0
56.8
39.0
45.0
74.770.5
36.5 41.6
61.3
52.7
65.5
39.4
35.5
40.4
46.0
24.5
53.9
42.5
68.0
46.7
54.2
39.4
50.2
45.8
25.0
53.0
31.4
44.3
35.4
34.0
47.2
94.6
53.8
41.3
47.9
51.2
42.0
55.651.6
45.0
29.0
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
220.0
19
57
19
60
19
63
19
66
19
69
19
72
19
75
19
78
19
81
19
84
19
87
19
90
19
93
19
96
19
99
20
02
20
05
20
08
20
11
20
14
20
17
20
20
Ra
infa
ll(m
m)
Year
ANNUAL EXTREME RAINFALL AT JUMLAExtreme rainfall ever recorded: 206.8 mm on 14th September 1975
153.9
139.9
141.0
146.1
132.1
217.9
375.9
160.0
137.0
120.0
63.2
93.2
80.0
95.3
81.4
121.9
68.1
73.8
120.6
44.2
75.0
81.096.2
69.6
186.5
74.8
151.2
93.8
137.7
281.2
83.9
169.0
137.4
84.7
103.2
100.5
112.0
70.6
109.2
86.0
117.6
85.2
140.0
123.8
97.288.0
71.0
120.0
146.0155.0
92.3
99.9
91.5
100.6
120.2
77.5
98.7
423.1
130.0
203.0
168.0
85.0
0.0
50.0
100.0
150.0
200.0
250.0
300.0
350.0
400.0
450.0
19
57
19
59
19
61
19
63
19
65
19
67
19
69
19
71
19
73
19
75
19
77
19
79
19
81
19
83
19
85
19
87
19
89
19
91
19
93
19
95
19
97
19
99
20
01
20
03
20
05
20
07
20
09
20
11
20
13
20
15
20
17
20
19
Rai
nfa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT SURKHET
Extreme rainfall ever recorded: 423.1 mm on 15th August 2014
163.4
168.6165.4
110.0
84.0
164.0
123.0
113.5107.1
86.2
336.9
205.0
119.3
139.0
131.2
151.6137.2
112.0
184.4
244.0
147.0
169.0 187.0
0
50
100
150
200
250
300
350
400
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
20
20
Ra
infa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT NEPALGUNJ
Extreme rainfall ever recorded: 336.9 mm on 27th August 2006
99.6
111.2
100.0
85.0
116.0
101.8
110.2
98.0
107.4
128.8
195.0
79.0
95.6
93.2
117.1
93.6
93.8101.7 102.1
99.6
155.6
148.2
83.8
129.1
232.2
298.4
71.0
93.0
157.0
106.0
60
110
160
210
260
310
19
89
19
90
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
20
16
20
17
20
18
20
19
20
20
Rai
nfa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT DANG
Extreme rainfall ever recorded: 298.4 mm on 15th August 2014
13.5
35.3
45.7
38.5
71.1
24.2
30.0
35.0
36.2
83.8
13.7
72.0
51.250.0
37.4
69.8
88.8
26.4
15.8
12.9
17.3
18.5
60.0
45.0
29.0
40.0
12.8
87.2
24.0
80.0
12.0
18.4
22.0
20.0
16.0
31.2
18.5
65.1
38.4
41.4
29.8
75.8
21.3
15.4
22.2
25.4
17.0
25.3
23.0
51.5
66.4
24.2
17.5
23.6
45.0
68.5
60.7
30.5
25.0
20.7
0
10
20
30
40
50
60
70
80
90
100
19
57
19
60
19
63
19
66
19
69
19
72
19
75
19
78
19
81
19
84
19
87
19
90
19
93
19
96
19
99
20
02
20
05
20
08
20
11
20
14
20
17
20
20
Ra
infa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT JOMSOM
Extreme rainfall ever recorded: 339.5 mm on 23rd JUNE
158.0
102.0
130.0
148.0
170.8
185.0
112.4
198.4
124.8
131.0
132.2
227.0
193.3
82.0
252.2
101.9
145.6
115.8
166.1171.6
154.1
128.1
111.3
130.6
176.5
96.0
215.7
122.9
266.5
223.2
99.8
168.6
80.1
152.7
107.6
154.8
245.8
216.0
181.0
139.4
101.3
138.0
190.4
144.5
117.0
133.0
102.0
222.0
166.0
80
100
120
140
160
180
200
220
240
260
19
70
19
72
19
74
19
76
19
78
19
80
19
82
19
84
19
86
19
88
19
90
19
92
19
94
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
20
20
Rai
nfa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT BHAIRAHAWA
Extreme rainfall ever recorded: 266.5 mm on 3rd August 1998
87.0
44.2
156.0
101.0
158.2
173.4
204.8
171.2
181.8
204.2
188.1
277.6
159.2
168.6
164.2
169.2
171.5
235.4
143.2
196.4
186.6
168.3
157.9
167.4
148.1145.2
199.2
228.0
168.0
179.0
173.0
243.6
217.2
357.0
211.5
177.2
171.3
166.0
109.2
227.2
151.7
247.7
262.1
168.2173.5
223.5
218.3
224.0
274.0
191.0
207.0
40
90
140
190
240
290
340
19
68
19
70
19
72
19
74
19
76
19
78
19
80
19
82
19
84
19
86
19
88
19
90
19
92
19
94
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
20
20
Rai
nfa
ll (m
m)
YEAR
EXTREME RAINFALL AT POKHARAExtreme rainfall ever recorded: 357.0 mm on 18th August 2001
208.2
154.0
213.2
202.8
232.7
188.4
178.6
187.4184.0
119.0
175.8
277.1
261.3
228.1
174.9
162.6
169.8
189.5
156.0 156.0
205.7
216.0
163.5
272.0
252.5
174.5
197.0
208.0
295.0
263.7
192.0
185.0
199.2
208.0
184.5
191.3
152.0
245.2
187.0
217.0218.4
183.5
165.5
187.9
174.0
288.7
216.5
308.3
231.2
100
150
200
250
300
19
69
19
71
19
73
19
75
19
77
19
79
19
81
19
83
19
85
19
87
19
89
19
91
19
93
19
95
19
97
19
99
20
01
20
03
20
05
20
07
20
09
20
11
20
13
20
15
20
17
20
19
Rai
nfa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT LUMLE
Extreme rainfall ever recorded: 308.3mm on 9th July 2017
33.0
63.6
51.0
135.8
123.2
240.2
126.9
92.4
266.4
134.0
146.2
206.2
184.2
114.3
162.7
240.2
267.2
300.3
199.8
77.0
151.7
205.7
118.8
228.0
137.8
125.8
131.4
201.2211.0
162.6
169.0
144.4
217.4
174.2
205.2
141.8 144.4
195.4
154.6
99.8
151.6
163.6
112.6
146.8
87.4
112.0
160.0
227.0
126.0
20
70
120
170
220
270
19
70
19
71
19
72
19
73
19
74
19
75
19
76
19
77
19
78
19
79
19
80
19
81
19
82
19
83
19
84
19
85
19
86
19
87
19
88
19
89
19
90
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
20
16
20
17
20
18
20
19
20
20
Ra
infa
ll(m
m)
YEAR
ANNUAL EXTREME RAINFALL AT SIMARA
Extreme rainfall ever recorded: 300.3 mm on 1st August 1987
80.4
48.5
73.5
83.6
102.8102.0
71.2
89.2
73.2
57.6
71.2
86.0
100.1
53.5
87.6
72.076.5
69.3
77.6
124.4
66.0
57.0
78.074.2
45.2
62.8
99.0
73.5 72.7
87.0
97.6
99.4
98.6 96.4
177.0
100.0
74.6
68.1
67.7
52.6
84.3
76.5
80.7
73.4
126.0
100.5
63.067.0
95.0
62.0
93.6
40
60
80
100
120
140
160
180
19
68
19
69
19
70
19
71
19
72
19
73
19
74
19
75
19
76
19
77
19
78
19
79
19
80
19
81
19
82
19
83
19
84
19
85
19
86
19
87
19
88
19
89
19
90
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
20
16
20
17
20
18
20
19
20
20
Ra
infa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT KATHMANDU AIRPORT
Extreme rainfall ever recorded: 177 mm on 23rd July 2002
57.5
107.3
52.1
68.8
104.8
400.0
121.2
97.4
108.4
68.1
98.4
50.0
75.0
56.5
60.5
58.5
79.3
69.075.4
99.0
82.6
75.6
62.4
85.076.0
66.8
90.7
78.5
113.8
71.0
85.0
86.7
77.2
79.6
70.5 70.5
103.291.4
81.477.8
82.2
79.2
102.693.3
70.2
87.2
86.7
114.2
83.2
92.0
90.8
102.6
75.2
138.2
77.2
103.2
90.8
85.8
30
80
130
180
230
280
330
380
430
19
61
19
63
19
65
19
67
19
69
19
71
19
73
19
75
19
77
19
79
19
81
19
83
19
85
19
87
19
89
19
91
19
93
19
95
19
97
19
99
20
01
20
03
20
05
20
07
20
09
20
11
20
13
20
15
20
17
20
19
Ra
infa
ll (
mm
)
Year
ANNUAL EXTREME RAINFALL AT JIRI
Extreme rainfall ever recorded : 400.0 mm on 25th August 1966
84.0
140.0
79.0
150.0
132.0
82.0
135.0
229.0
98.0
168.0
68.0
45.0
49.4
49.5
143.0
157.0
132.2126.0
302.0
128.6
113.5
73.8
110.0
100.8
192.0
151.4
194.0
136.0
210.2
162.0
126.2
339.5
114.8
123.3
200.4
193.5 191.8
200.5
255.3
98.5
283.2
107.2
141.0
230.5
101.0
122.4
87.6
118.2
192.4
84.0
40
90
140
190
240
290
340
19
69
19
70
19
71
19
72
19
73
19
74
19
75
19
76
19
77
19
78
19
79
19
80
19
81
19
82
19
83
19
84
19
85
19
86
19
87
19
88
19
89
19
90
19
91
19
92
19
93
19
94
19
95
19
96
19
97
19
98
19
99
20
00
20
01
20
02
20
03
20
04
20
05
20
06
20
07
20
08
20
09
20
10
20
11
20
12
20
13
20
14
20
15
20
16
20
17
20
18
20
19
20
20
Ra
infa
ll (m
m)
YEAR
ANNUAL EXTREME RAINFALL AT JANAKPUR AIRPORT
Extreme rainfall ever recorded: 339.5 mm on 23rd JUNE 2000
121.9
76.2
85.8
62.5
73.6
53.8
113.8
100.8
142.7
87.9
62.5
58.9
115.6
107.4
107.2
129.8
90.9
130.1
113.8
117.2
96.4
92.0
110.4
101.4
89.4
104.2
64.0
122.0
87.2
85.4
103.1
97.0
54.4
121.4
81.683.7
132.4
81.0
64.0
140.3
123.1
98.7
105.5
150.0
111.4
75.4
65.4
92.4
73.0
103.0
77.0
68.1
87.6
85.387.1
98.1
170.4
117.0
79.4
95.3
80.2
87.2
104.5
83.8
99.4
66.4
95.2
88.0
82.0
94.0
87.0
50
70
90
110
130
150
170
19
48
19
53
19
58
19
63
19
68
19
73
19
78
19
83
19
88
19
93
19
98
20
03
20
08
20
13
20
18
Ra
infa
ll (m
m)
Year
ANNUAL EXTREME RAINFALL AT OKHALDHUNGA
Extreme rainfall ever recorded: 170.4 mm on 10th July 2004
48.3
66.0
66.0
85.1
101.6
64.7
185.4
90.2
71.1
50.8 50.8
99.1
75.0
265.0
90.0
157.0
69.1
80.0
127.2
131.4
165.6
87.6
51.6
81.0
40.8
88.2
55.5
99.6
81.0
68.9 75
112.8
51.9
76.1
57.0
73.1
145.9
77.4
86.4
164.2
57.6
81.4
104.7
51.6 53.2
59.2
84.8
139.0
87.4
146.0
107.5
171.0
78.0
65.0
141.7
77.6
73.6
128.6
67.6
62.4
41.2
78.8
59.6
77.3
62.0
102.4
82.0
55.0
69.0
54.053.3
30
70
110
150
190
230
270
19
47
19
49
19
51
19
53
19
55
19
57
19
59
19
61
19
63
19
65
19
67
19
69
19
71
19
73
19
75
19
77
19
79
19
81
19
83
19
85
19
87
19
89
19
91
19
93
19
95
19
97
19
99
20
01
20
03
20
05
20
07
20
09
20
11
20
13
20
15
20
17
20
19
Ra
infa
ll (m
m)
Year
ANNUAL EXTREME RAINFALL AT DHANKUTA
Extreme rainfall ever recorded: 265 mm on 24th June 1961
73.7
101.6
72.6
203.2203.2
165.1
55.9
77.5
95.5
123.2
178.3
109.7
116.0
100.4
187.4
125.4
193.2
306.6
188.0
165.4
176.1
147.3
120.0
186.0
232.4
117.2
128.8
200.0
188.0
153.6
115.0100.0
100.095.0
130.0
88.0
158.0
275.0
352.0
102.5
302.5
235.0
170.0
180.0
129.2
96.2
87.4
246.3
94.9
157.4
98.8
229.2
142.9
93.0
189.0
120.0
142.0
146.3
256.8
112.3
102.4
161.5
135.5
150.0
110.7
127.6
155.7
113.5
99.9
202.8
292.9
116.9
0
50
100
150
200
250
300
350
400
19
47
19
49
19
51
19
53
19
55
19
57
19
59
19
61
19
63
19
65
19
67
19
69
19
71
19
73
19
75
19
77
19
79
19
81
19
83
19
85
19
87
19
89
19
91
19
93
19
95
19
97
19
99
20
01
20
03
20
05
20
07
20
09
20
11
20
13
20
15
20
17
20
19
Ra
infa
ll(m
m)
YEAR
ANNUAL EXTREME RAINFALL AT DHARAN BAZAR
Extreme rainfall ever recorded: 352.0 mm on 28th July 1985
142.5
137.2
103.6
121.2
142.0
144.7
405.0
159
128.3
154.6
148.0
145.6
146.0
206.8
130.7
103.4
188.6
123.2
101.3
219.1
93.3
169.0
125.4
86.2
139.3
114.0
60.8
132.0
146.6
155.0
167.5
90.7
203.5194.1
150.3
181.3
155.5
112.7
94.8
223.5
95.0
145.8
169.6
89.7
139.0
126.5
133.5
75.0
90.0
251.0
123.0
50
100
150
200
250
300
350
400
19
68
19
70
19
72
19
74
19
76
19
78
19
80
19
82
19
84
19
86
19
88
19
90
19
92
19
94
19
96
19
98
20
00
20
02
20
04
20
06
20
08
20
10
20
12
20
14
20
16
20
18
20
20
Ra
infa
ll (
mm
)
YEAR
ANNUAL EXTREME RAINFALL AT BIRATNAGAR
Extreme rainfall ever recorded:405.0 mm on 2nd July 1974
68.8
83.8
72.4
60.7
78.0
73.7
99.8
65.3
68.3
55.8
64.2
117.7
104.2
103.8
71.0 68.2
49.8
88.2
75.6
118.0
134.2
70.6
104.0
74.6
95.0
78.8
74.2
80.5
98.8
62.5
94.7
52.6
74.2
67.8
84.0
62.7
129.6
75.8
66.2
134.7
65.8
47.4
80.1
129.8
90.0
79.0
75.1
72.0
92.0
65.6
91.7
143.1
87.4
62.4
73.2
91.3
86.0
57.0
65.4
85.8
66.8
80.0
97.4
129.0
137.0
87.0
56.0
40
60
80
100
120
140
194
7
195
0
195
3
195
6
195
9
196
2
196
5
196
8
197
1
197
4
197
7
198
0
198
3
198
6
198
9
199
2
199
5
199
8
200
1
200
4
200
7
201
0
201
3
201
6
201
9
Rain
fall (
mm
)
Year
ANNUAL EXTREME RAINFALL AT TAPLEJUNG
Extreme rainfall ever recorded: 143.1 mm on 14th July 2002
