HUJAN EFEKTIF

Curah Hujan Efektif R80

Desa/Kel. Sariak Alahan Tigo, Kec. Hiliran Gumanti, Solok, Prov. Sumatera Barat

GPM01D_E10095_S0115

Detail Grid Data Harian

Panjang Data 28 tahun tersedia

R80 Rata-rata 4.58 mm/hari

Reff Padi Rata-rata 3.21 mm/hari

Reff Padi Maksimum 6.28 mm/hari

Metode mengikuti pola modul TRMM hidrologi.net: data setengah bulanan diurutkan, probabilitas Weibull dihitung dengan m/(n+1), R80 diinterpolasi, kemudian hujan efektif padi = 70% × R80 per hari.

Harian Bulanan Hari Hujan Maksimum Tahunan Hujan Efektif

DATA SETENGAH BULANAN

Curah Hujan per Periode I–II

Akumulasi curah hujan setengah bulanan untuk penyusunan ranking probabilitas.

mm/periode

Tahun	Jan		Feb		Mar		Apr		Mei		Jun		Jul		Agu		Sep		Okt		Nov		Des
Tahun	I	II	I	II	I	II	I	II	I	II	I	II	I	II	I	II	I	II	I	II	I	II	I	II
1998	120.01	127.77	83.78	97.25	129.01	102.80	164.28	133.66	147.32	55.54	148.52	129.63	140.66	109.83	187.80	296.21	199.74	156.15	82.22	152.88	158.49	60.38	204.46	139.60
1999	99.17	259.99	78.92	160.45	197.63	63.81	56.39	63.66	199.85	36.83	91.82	35.21	94.96	6.88	19.85	87.28	130.96	197.18	135.78	339.26	143.23	258.29	179.80	101.88
2000	276.05	55.47	70.66	60.18	21.75	123.79	123.16	146.77	30.80	163.08	121.11	111.84	25.92	180.48	169.93	47.59	20.42	189.91	99.72	119.06	172.76	226.45	114.05	225.97
2001	120.13	209.29	200.40	54.46	107.31	46.52	151.90	174.37	65.25	62.53	111.66	61.25	7.28	76.06	49.95	60.66	85.00	139.97	40.95	180.12	135.24	62.92	49.88	130.79
2002	71.58	208.62	23.14	39.79	103.90	154.51	193.43	172.32	117.11	99.54	96.55	34.73	49.00	62.44	53.29	78.19	111.84	103.50	57.95	168.38	79.86	256.04	184.35	160.54
2003	121.14	151.34	159.26	117.71	94.75	232.51	241.67	202.41	97.37	8.41	21.84	108.85	93.53	25.55	72.92	196.68	163.64	101.44	221.06	90.78	204.85	229.19	250.13	42.14
2004	71.07	211.75	74.73	101.28	90.34	133.57	251.03	154.44	100.70	66.89	58.13	32.42	131.90	87.01	39.97	57.29	19.58	159.73	104.03	185.44	219.19	122.45	173.54	106.69
2005	208.45	43.44	55.33	117.71	99.65	146.56	40.03	141.76	82.24	124.79	92.63	32.59	108.09	124.70	109.58	238.95	160.91	140.67	239.14	296.93	168.63	112.55	190.38	92.65
2006	249.32	93.21	135.94	224.67	132.56	235.19	118.69	152.64	43.20	81.32	57.33	94.63	19.61	132.16	16.30	99.73	97.29	30.11	12.95	80.64	94.78	140.37	218.85	165.38
2007	210.46	287.04	14.40	221.18	71.57	170.92	157.91	140.70	101.21	72.75	156.71	67.55	72.19	67.34	13.20	115.22	121.75	116.98	157.33	192.22	133.65	55.35	210.52	184.24
2008	68.36	274.15	56.69	71.54	238.28	93.10	218.32	122.10	49.91	105.95	80.17	162.55	100.13	130.19	33.15	241.25	213.38	90.57	106.58	207.87	241.39	44.04	187.37	111.30
2009	146.20	146.87	57.22	138.56	90.42	132.26	186.59	84.23	77.47	4.64	55.50	100.65	75.64	74.23	52.69	155.47	120.68	163.74	94.58	117.46	187.23	136.87	141.39	282.29
2010	121.81	143.08	159.99	170.73	336.47	220.25	231.87	97.16	131.30	99.94	95.42	165.03	166.33	179.05	212.36	158.60	190.02	172.31	152.95	154.98	97.73	293.72	49.02	58.43
2011	78.98	132.22	64.55	122.43	99.81	59.70	111.53	241.17	12.07	100.10	117.85	84.30	52.98	26.83	74.02	58.12	103.25	154.06	33.30	230.96	271.62	218.62	170.46	104.38
2012	67.46	43.28	159.17	262.50	133.26	99.89	150.70	94.30	70.48	153.51	91.55	34.86	141.98	48.85	20.26	74.70	100.51	58.41	79.28	217.10	167.90	355.22	193.61	214.67
2013	44.10	139.50	275.75	62.83	107.96	157.15	104.07	153.38	66.92	71.02	119.95	54.38	143.57	88.75	43.96	130.61	143.49	96.02	103.32	337.19	135.12	131.51	225.84	107.32
2014	218.77	19.73	20.20	27.94	43.91	107.55	104.51	191.43	151.83	134.34	51.35	41.71	86.75	18.58	132.76	98.56	48.44	97.44	62.86	178.33	213.20	300.86	66.84	109.65
2015	55.45	125.09	80.17	124.00	190.24	79.41	148.29	232.24	68.38	74.40	181.17	23.88	61.17	4.93	126.09	14.42	7.68	128.26	9.44	36.91	237.86	214.22	320.86	47.41
2016	124.28	109.10	122.60	150.43	134.40	212.96	207.72	127.76	127.69	102.24	187.23	32.82	38.01	102.96	38.13	119.44	82.03	115.98	78.76	116.04	183.45	113.94	86.33	91.76
2017	154.56	127.57	18.15	239.26	164.66	165.22	144.56	153.57	221.38	62.62	34.15	66.81	95.83	20.23	110.86	69.67	76.25	194.56	152.69	88.75	261.41	145.34	71.38	150.62
2018	95.17	10.70	33.15	226.48	215.28	157.57	94.30	147.05	40.13	194.32	72.89	109.14	87.11	71.25	19.91	135.10	75.67	98.73	184.14	193.03	187.50	142.44	330.02	63.22
2019	147.83	95.69	65.79	176.10	123.58	183.68	130.24	119.23	67.59	99.43	125.19	61.55	63.70	9.55	13.38	76.02	10.06	82.79	22.32	80.35	30.95	145.39	178.47	199.74
2020	98.70	170.85	108.80	88.23	95.13	179.62	233.08	154.10	94.42	165.25	109.87	111.24	185.37	67.62	106.81	20.40	117.38	180.35	135.41	153.49	158.45	206.78	52.25	93.04
2021	130.71	121.21	57.02	23.93	128.45	321.14	124.93	105.52	204.43	125.69	72.26	199.73	89.39	29.52	102.90	202.54	133.88	233.93	56.01	190.83	136.65	49.88	145.78	276.94
2022	107.90	153.15	146.58	74.66	177.71	29.98	80.86	223.80	114.61	65.31	149.76	176.65	104.62	104.85	117.55	206.21	196.00	156.75	226.63	166.68	186.16	163.78	190.83	36.11
2023	94.49	145.60	101.59	72.51	54.76	250.39	102.32	149.25	135.06	90.91	173.89	99.66	149.66	61.69	84.73	176.48	41.21	29.46	6.55	89.13	187.03	128.86	220.57	151.65
2024	211.72	158.32	195.34	136.97	253.12	102.23	223.53	197.94	256.49	61.01	149.79	112.00	100.25	14.01	103.04	70.04	129.35	87.08	160.77	81.92	224.54	193.58	80.46	177.96
2025	185.58	189.11	92.88	182.55	241.01	100.97	190.34	89.73	121.35	21.96	71.66	93.27	106.22	73.20	147.61	45.26	140.56	147.19	–	–	–	–	–	–

HASIL R80

Ringkasan R80 dan Hujan Efektif

Nilai ditampilkan untuk periode I dan II setiap bulan.

Parameter	Jan I	Jan II	Feb I	Feb II	Mar I	Mar II	Apr I	Apr II	Mei I	Mei II	Jun I	Jun II	Jul I	Jul II	Agu I	Agu II	Sep I	Sep II	Okt I	Okt II	Nov I	Nov II	Des I	Des II
R80mm/periode	71.47	85.66	50.89	62.30	90.40	90.36	103.72	103.84	62.18	59.92	57.97	34.83	52.18	19.90	20.19	57.95	46.99	89.87	37.89	88.98	134.53	92.70	76.82	80.34
R80mm/hari	4.76	5.35	3.64	4.45	6.03	5.65	6.91	6.92	4.15	3.74	3.86	2.32	3.48	1.24	1.35	3.62	3.13	5.99	2.53	5.56	8.97	6.18	5.12	5.02
Reff Padimm/hari	3.34	3.75	2.54	3.11	4.22	3.95	4.84	4.85	2.90	2.62	2.71	1.63	2.44	0.87	0.94	2.54	2.19	4.19	1.77	3.89	6.28	4.33	3.59	3.51

R80

INTERPRETASI

Nilai R80 menggambarkan curah hujan yang dapat diandalkan pada probabilitas 80%. Hujan efektif padi pada modul ini dihitung sebesar 70% dari R80 harian dan dapat digunakan sebagai input awal analisis kebutuhan air irigasi dengan tetap memperhatikan metode desain dan data lapangan yang digunakan pada studi.