Rainfall | NER Databank

Annual Rainfall in the District Head Quarters of Arunachal Pradesh during 2020, 2021, 2022 and 2023:

(in mm)

Rain Gauge Station	2022	2023 (As on 31 March)
Tawang	511.6	511.6
Bomdila	-	7090
Seppa	-	363
Itanagar	16110.65	-
Ziro	1013.5	315.83
Koloriang		-
Daporijo	1500-2000	-
Aalo	-	2826.8
Pasighat	-	-
Yingkiong	-	-
Anini	-	-
Roing	252.8	580.4
Tezu	-	-
Hauliyang	-	-
Changlang	-	-
Khonsa	-	-
Karadadi	-	2060
Leparada	-	578
Namsai	-	145.80
Rain Gauge Station	2020	2021
Tawang	1854.51	2056.13
Bomdila	1546.9	1987
Seppa	2439.23	2811.14
Itanagar	2685.94	3422.46
Ziro	1742.05	1198.3
Koloriang	-	-
Daporijo	-	-
Aalo	1700.05	2839.2
Pasighat	2986	1700.32
Yingkiong	1562.93	2800
Anini	Nil	Nil
Roing	2946.09	3201.37
Tezu	-	-
Hayuliang	-	-
Changlang	2798	2450
Khonsa	-	-
Total	22261.7	24465.92

Source: Statistical Abstract of Arunachal Pradesh 2021 and 2023

Altitudes of Selected Places of Arunachal Pradesh As on 31.03.2023:

Name of Place	Headquarters	MSL (in meters)
Tawang	Tawang	3025-3048
West Kameng	Bomdila	2430-2700
East Kameng	Seppa	363
Pakke Kesang	Lemmi	100-1500
Papum Pare	Yupia(Naharlagun)	155
Itanagar	Itanagar (Capital Comlex0	320
Lower Subansiri	Ziro	1780
Kra-Daadi	Palin	1080
Kurung Kumey	Koloriang	1000
Upper Subansiri	Daporijo	600
Kamle	Raga	-
West Siang	Aalo	619
Lep Rada	Bassar	578
Si-Yomu	Tato	-
Upper Siang	yingkiong	200
East Siang	Pasighat	152
Lower Siang	likabali	185
L/Dibang Valley	Roing	390
Dibang valley	Anini	1968
Lohit	Tezu	185
Anjaw	hawai	1296
Namsai	Namsai	156
Changlang	Changlang	580
Tirap	Khonsa	1215
Longding	Longding	693
Siang	pangin	131

Source: Statistical Abstract of Arunachal Pradesh 2023

District-wise Seasonal and Annual Rainfall, 2021 and 2022:

(in mm)

Districts	Winter	Pre- Monsoon	SW-Monsoon	Post- Monsoon	Annual
2022
Anjaw	181.0	1100.6	580.4	242.7	2104.6
Changlang	97.0	996.6	1496.9	223.5	2814.0
Dibang Valley	218.0	982.5	987.4
East Kameng	46.0	340.1	1308.1	298.0	1992.2
East Siang	145.6	1301.1	2739.1	863.3	5049.1
Kurung Kumey	143.8	1235.2	1118.4	318.3	2815.7
Lohit	63.8	878.6	1433.9	147.0	2523.3
Lower Dibang Valley	178.4	1395.3	2222.5	614.0	4410.2
Lower Subansiri	82.8	377.2	333.1	88.1	881.3
Papumpara	121.2	1208.8	1776.8	539.2	3645.9
Tawang	19.8	370.8	952.4	188.4	1531.4
Tirap			1352.9	74.4
Upper Siang	227.6	1305.7	1748.7	572.6	3854.6
Upper Subansiri	71.6	414.1	956.1	99.8	1541.6
West Kameng	57.3	343.2	1267.0	350.4	2017.8
West Siang	158.6	687.6	1604.2	343.4	2793.8
Arunachal Pradesh	132.8	838.2	1430.3	359.4	2810.6
Districts	Winter	Pre- Monsoon	SW-Monsoon	Post- Monsoon	Annual
2021
Anjaw	32.8	554.8	452.4	50.8	1090.8
Changlang	9.2	311.4	877.8	90	1288.4
Dibang Valley	76	964.9	800	187.8	2028.7
East Kameng	1	389.4	1726.6	142.6	2259.6
East Siang	27	637.6	2540.7	342.4	3547.7
Kurung Kumey	57.3	724	829.8	132.8	1743.9
Lohit	9	352.3	833.9	95.5	1290.7
Lower Dibang Valley	41.9	565.5	2464.9	226.3	3298.6
Lower Subansiri	46.8	381.4	475.3	42.6	946.1
Papumpara	34.4	683.3	1953.8	95.7	2767.1
Tawang	41.2	439.9	966.5	160.8	1608.4
Tirap	60.2		1016.8
Upper Siang	48	1108	1802.4	210.7	3169
Upper Subansiri	48.4	391	634.1	115.4	1188.9
West Kameng	28.9	275.9	1233.7	152.3	1690.8
West Siang	61.3	508.9	1334.7	126.3	2031.2
Arunachal Pradesh	41.8	581.5	1294	157.2	2083.8

Source: Rainfall Statistics of India 2021 and 2022

Percentage Departure of District-wise Seasonal and Annual Rainfall, 2021 and 2022:

(in mm)

Districts	Winter	Pre- Monsoon	SW-Monsoon	Post- Monsoon	Annual
2022
Anjaw	19%	7%	-63%	-1%	-30%
Changlang	12%	58%	10%	51%	27%
Dibang Valley	-12%	-4%	-18%
East Kameng	-61%	-26%	5%	48%	-2%
East Siang	4%	60%	-14%	215%	15%
Kurung Kumey	-17%	85%	-10%	44%	22%
Lohit	-65%	-9%	-8%	-50%	-16%
Lower Dibang Valley	2%	20%	-5%	98%	10%
Lower Subansiri	-43%	-13%	-55%	-26%	-39%
Papumpara	96%	68%	-20%	177%	14%
Tawang	-17%	-34%	-3%	48%	-10%
Tirap			-31%	-64%
Upper Siang	8%	18%	-4%	84%	12%
Upper Subansiri	-30%	-17%	-1%	-39%	-11%
West Kameng	20%	-22%	-25%	70%	-16%
West Siang	51%	29%	-20%	44%	-3%
Arunachal Pradesh	0%	11%	-15%	49%	0%
Districts	Winter	Pre- Monsoon	SW-Monsoon	Post- Monsoon	Annual
2021
Anjaw	-79%	-46%	-71%	-80%	-64%
Changlang	-91%	-59%	-43%	-53%	-50%
Dibang Valley	-72%	-20%	-38%	-53%	-36%
East Kameng	-99%	-20%	31%	-32%	6%
East Siang	-82%	-21%	-20%	26%	-20%
Kurung Kumey	-63%	12%	-34%	-20%	-21%
Lohit	-95%	-63%	-47%	-68%	-57%
Lower Dibang Valley	-82%	-53%	45%	-38%	-6%
Lower Subansiri	-68%	-13%	-41%	-64%	-37%
Papumpara	-64%	-14%	-12%	-58%	-17%
Tawang	-27%	0%	-46%	-30%	-36%
Tirap	-46%		-56%
Upper Siang	-78%	10%	-4%	-34%	-7%
Upper Subansiri	-55%	-20%	-35%	-32%	-32%
West Kameng	-49%	-37%	-31%	-34%	-33%
West Siang	-40%	-3%	-35%	-47%	-30%
Arunachal Pradesh	-72%	-25%	-25%	-41%	-28%

Source: Rainfall Statistics of India 2021 and 2022

District-wise Monthly Rainfall, 2021 and 2022:

(in mm)

District	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
2022
Anjaw	74.4	106.6	94.5	754.3	251.8	214.0	145.2	116.6	104.6	197.1	0.0	45.6
Changlang	43.6	53.4	36.6	471.2	488.8	604.3	380.0	163.8	348.8	206.3	0.0	17.2
Dibang Valley	82.6	135.4	127.5	616.4	238.6	405.9	579.5	2.0	0.0
East Kameng	5.6	40.4	61.0	53.0	226.1	595.7	187.1	154.6	370.7	298.0	0.0	0.0
East Siang	47.4	98.2	97.2	564.0	639.9	1415.6	379.0	362.4	582.1	823.1	0.0	40.2
Kurung Kumey	51.4	92.4	274.3	628.4	332.5	476.3	218.4	192.7	231.0	280.4	3.1	34.8
Lohit	21.1	42.7	45.7	327.3	505.7	617.3	325.6	348.2	142.9	141.1	0.0	5.9
Lower Dibang Valley	80.3	98.1	74.4	775.0	545.9	1123.5	518.6	226.5	353.9	572.0	0.0	42.0
Lower Subansiri	7.4	75.4	40.9	170.5	165.9	170.1	51.0	65.4	46.6	79.2	1.6	7.2
Papumpara	41.7	79.5	64.4	633.9	510.5	873.9	382.3	243.9	276.7	525.6	0.0	13.6
Tawang	1.8	18.0	47.3	187.2	136.3	281.8	264.8	173.7	232.1	175.8	1.8	10.9
Tirap						178.3	663.2	289.3	222.3	67.0	0.0	7.4
Upper Siang	92.5	135.2	260.9	663.5	381.3	678.0	217.6	122.8	730.4	525.1	3.2	44.3
Upper Subansiri	19.4	52.2	26.2	203.2	184.7	266.0	169.1	206.0	315.0	74.0	2.8	23.0
West Kameng	16.1	41.2	6.5	104.7	232.0	545.0	256.6	230.3	235.2	348.9	0.3	1.2
West Siang	42.2	116.4	30.6	390.8	266.2	695.7	187.5	171.0	550.1	311.0	1.0	31.4
Arunachal Pradesh	47.0	85.8	77.4	432.9	327.9	599.3	322.3	177.9	330.7	335.5	0.9	23.0
District	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
2021
Anjaw	12	20.8	108.9	159	286.9	87.5	164.5	163.3	37.1	36.3	6.8	7.7
Changlang	2.8	6.4	30.7	63.2	217.5	323.3	231.8	306	16.7	52.4	10.4	27.2
Dibang Valley	49.4	26.6	199.7	363.1	402.1	253.6	127.2	272.7	146.5	154.2	12.6	21
East Kameng	1	0	2.1	9.4	377.9	436.8	317.1	779.8	192.9	116	21.4	5.2
East Siang	26	1	104.6	127.8	405.2	881.5	250.3	1332.7	76.2	322.5	2.8	17.1
Kurung Kumey	16.9	40.4	189.4	271	263.6	210.6	245	208.6	165.6	104	24.2	4.6
Lohit	5.3	3.7	29.7	57	265.6	256.9	90.4	428.6	58.1	73.7	8.3	13.6
Lower Dibang Valley	33.5	8.4	110	147.3	308.2	779.5	368.8	1209.1	107.5	172.1	26.5	27.7
Lower Subansiri	31.7	15.1	78.7	121.2	181.5	134.6	111	149.2	80.6	25.2	12.7	4.7
Papumpara	22.4	12	85.8	163	434.5	721	411.1	554.8	267.1	91.7	3.1	0.9
Tawang	29.6	11.6	90	100.6	249.3	214.9	333.2	225.4	193	115.4	45.4	0
Tirap	32	28.2	19.5			434.5	237.8	269.1	75.4	73.2
Upper Siang	35.2	12.8	198.2	548.1	361.7	480.6	285.3	807.8	228.7	159.4	14.9	36.4
Upper Subansiri	30.2	18.2	79.1	159.2	152.7	125	171.2	182.7	155.2	95.2	8	12.2
West Kameng	26.5	2.5	25.3	30.4	220.2	248.2	413.2	346.7	225.6	134	9.2	9
West Siang	46.4	14.9	116.8	146.6	245.5	388.9	342.6	502.9	100.4	87.5	21.2	17.6
Arunachal Pradesh	29.1	12.7	98.4	183.7	296.5	377.3	266.8	508.7	141.2	124.6	13.9	16.8

Source: Rainfall Statistics of India 2021 and 2022

Percentage Departure of District-wise Monthly Rainfall, 2021 and 2022:

District	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
2022
Anjaw	45%	6%	-62%	59%	-19%	-44%	-75%	-68%	-57%	17%	-100%	40%
Changlang	51%	-8%	-73%	78%	116%	75%	-12%	-47%	29%	78%	-100%	18%
Dibang Valley	-5%	-16%	-59%	34%	-8%	2%	67%	-99%	-100%
East Kameng	-88%	-44%	-39%	-67%	15%	77%	-50%	-39%	28%	111%	-100%	-100%
East Siang	2%	5%	-33%	104%	64%	76%	-66%	-45%	-4%	287%	-100%	59%
Kurung Kumey	-39%	3%	95%	117%	40%	89%	-47%	-21%	-29%	151%	-95%	-19%
Lohit	-63%	-66%	-84%	-20%	85%	41%	-34%	4%	-51%	-25%	-100%	-89%
Lower Dibang Valley	37%	-15%	-72%	48%	44%	70%	-31%	-50%	-26%	173%	-100%	-3%
Lower Subansiri	-89%	-2%	-48%	10%	-17%	-4%	-77%	-69%	-66%	21%	-95%	-63%
Papumpara	73%	111%	-26%	186%	24%	33%	-42%	-44%	-41%	235%	-100%	1%
Tawang	-50%	-11%	-57%	-20%	-37%	38%	-21%	-30%	19%	93%	-95%	504%
Tirap						-66%	2%	-33%	-36%	-58%	-100%	-55%
Upper Siang	21%	0%	-4%	54%	-5%	33%	-56%	-62%	50%	142%	-95%	29%
Upper Subansiri	-34%	-29%	-80%	18%	-6%	-4%	-38%	2%	44%	-29%	-92%	-8%
West Kameng	-20%	49%	-86%	-19%	-12%	20%	-50%	-45%	-26%	113%	-99%	-93%
West Siang	26%	63%	-68%	106%	6%	39%	-73%	-59%	32%	76%	-97%	11%
Arunachal Pradesh	3%	-2%	-55%	44%	15%	32%	-39%	-48%	-5%	98%	-98%	-24%
District	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
2021
Anjaw	-77%	-80%	-57%	-66%	-4%	-77%	-71%	-55%	-85%	-79%	-84%	-77%
Changlang	-91%	-92%	-84%	-78%	-18%	-14%	-55%	-16%	-94%	-63%	-58%	19%
Dibang Valley	-39%	-86%	-42%	-33%	27%	-46%	-60%	54%	-54%	-36%	-85%	-72%
East Kameng	-98%	-100%	-98%	-94%	75%	20%	-19%	190%	-34%	-20%	-42%	-81%
East Siang	-47%	-99%	-30%	-53%	4%	4%	-77%	88%	-86%	54%	-92%	-31%
Kurung Kumey	-80%	-42%	48%	10%	-3%	-28%	-39%	-24%	-42%	13%	-25%	-89%
Lohit	-91%	-97%	-89%	-86%	-2%	-42%	-82%	28%	-80%	-61%	-84%	-75%
Lower Dibang Valley	-54%	-95%	-65%	-75%	1%	38%	-16%	274%	-71%	-23%	-63%	-61%
Lower Subansiri	-54%	-80%	-3%	-25%	-8%	-39%	-48%	-31%	-46%	-62%	-63%	-74%
Papumpara	-36%	-80%	-28%	-29%	-3%	8%	-31%	9%	-40%	-53%	-85%	-93%
Tawang	23%	-64%	92%	-24%	-4%	-55%	-37%	-48%	-46%	-36%	48%	-100%
Tirap	-24%	-60%	-86%			-29%	-70%	-45%	-82%	-64%
Upper Siang	-46%	-92%	-30%	48%	3%	-18%	-43%	146%	-50%	-24%	-75%	-29%
Upper Subansiri	-7%	-76%	-40%	-6%	-19%	-55%	-39%	-11%	-28%	-16%	-76%	-48%
West Kameng	10%	-92%	-46%	-77%	-15%	-48%	-22%	-20%	-36%	-26%	-70%	-52%
West Siang	45%	-79%	32%	-22%	-1%	-25%	-51%	12%	-74%	-51%	-39%	-36%
Arunachal Pradesh	-38%	-87%	-46%	-39%	3%	-23%	-49%	41%	-60%	-33%	-69%	-55%

Source: Rainfall Statistics of India 2021 and 2022