Iklim RerataTemperatur (C)
BulanJan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Jan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Tahun199026.927.326.627.027.626.427.026.826.427.025.725.234.935.334.635.035.634.435.034.834.435.033.733.2199125.825.425.826.227.527.226.827.026.626.025.024.633.833.433.834.235.535.234.835.034.634.033.032.6199224.126.526.426.227.227.625.827.027.826.426.025.932.134.534.434.235.235.633.835.035.834.434.033.9199327.525.926.526.927.027.427.127.127.126.025.423.635.533.934.534.935.035.435.135.135.134.033.431.6199425.925.926.526.927.127.526.126.025.926.425.524.933.933.934.534.935.135.534.134.033.934.433.532.9199525.625.625.127.526.327.227.027.026.026.025.925.633.633.633.135.534.335.235.035.034.034.033.933.6199625.725.625.626.326.727.827.726.927.125.425.625.733.733.633.634.334.735.835.734.935.133.433.633.7199725.825.926.326.927.127.326.626.726.726.525.225.233.833.934.334.935.135.334.634.734.734.533.233.2199825.724.625.626.726.926.925.726.426.025.425.625.233.732.633.634.734.934.933.734.434.033.433.633.2199925.625.726.226.927.027.327.826.326.326.226.325.533.633.734.234.935.035.335.834.334.334.234.333.5Rata-rata25.8625.8426.0626.7527.0427.2626.7626.7226.5926.1325.6225.1433.933.834.134.835.035.334.834.734.634.133.633.1
Kelembapan Udara (%)
BulanJan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Jan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Tahun1990828081817471757478708281908889898279838286789089199181788081726872707580848689868889807680788388929419927979787878697749697977818787868686778557778785891993816079738274717271808382896887819082798079889190199479797478716969707471696987878286797777788279777719957980787879767172768084858788868687847980848892931996818383847968677271868078899191928776758079948886199781718180797472757279848189798988878280838087928919988082808076797777718084828890888884878585798892901999858584798173707990818186939392878981788798898994Rata-rata80.8077.6979.7679.2377.0572.0672.0671.0374.7478.6280.8081.0788.8085.6987.7687.2385.0580.0680.0679.0382.7486.6288.8089.07
Angin (Knots)
BulanJan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Jan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Tahun19906.06.07.06.06.06.06.06.07.07.05.08.014.014.015.014.014.014.014.014.015.015.013.016.019917.06.06.05.07.07.06.06.08.06.08.06.015.014.014.013.015.015.014.014.016.014.016.014.019926.07.06.06.05.07.02.05.03.07.04.04.014.015.014.014.013.015.010.013.011.015.012.012.019934.04.03.04.03.03.03.03.03.03.04.05.012.012.011.012.011.011.011.011.011.011.012.013.019945.05.05.05.03.03.03.04.03.03.03.03.013.013.013.013.011.011.011.012.011.011.011.011.019955.04.04.04.03.05.05.05.05.03.03.05.013.012.012.012.011.013.013.013.013.011.011.013.019964.03.02.02.05.03.04.03.03.03.04.05.012.011.010.010.013.011.012.011.011.011.012.013.0199711.05.03.03.03.03.03.04.03.03.02.04.019.013.011.011.011.011.011.012.011.011.010.012.019984.04.04.03.010.02.02.04.03.02.02.03.012.012.012.011.018.010.010.012.011.010.010.011.019993.03.02.03.03.03.04.03.02.03.02.04.011.011.010.011.011.011.012.011.010.011.010.012.0Rata-rata5.504.704.204.104.804.203.804.304.004.003.704.7013.512.712.212.112.812.211.812.312.012.011.712.7km/hari244.46208.91186.68182.24213.35186.68168.90191.13177.79177.79164.46208.91600.0564.5542.3537.8568.9542.3524.5546.7533.4533.4520.0564.5
Penyinaran Matahari (%)
BulanJan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Jan.Feb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nop.Des.Tahun199035.052.040.043.036.046.030.032.035.057.030.042.043.060.048.051.044.054.038.040.043.065.038.050.0199138.050.039.049.051.052.031.047.033.022.048.033.046.058.047.057.059.060.039.055.041.030.056.041.0199258.035.051.061.037.040.069.075.037.051.064.053.066.043.059.069.045.048.077.083.045.059.072.061.0199369.073.065.061.059.075.05.061.056.045.031.036.077.081.073.069.067.083.013.069.064.053.039.044.0199464.056.056.056.063.060.063.051.051.044.031.042.072.064.064.064.071.068.071.059.059.052.039.050.0199551.056.061.070.062.067.061.062.041.038.043.042.059.064.069.078.070.075.069.070.049.046.051.050.0199641.050.035.056.054.067.063.044.037.035.033.037.049.058.043.064.062.075.071.052.045.043.041.045.0199758.061.049.066.071.074.064.032.043.050.050.049.066.069.057.074.079.082.072.040.051.058.058.057.0199866.067.070.067.072.057.060.064.045.032.061.034.074.075.078.075.080.065.068.072.053.040.069.042.0199945.061.060.044.070.067.061.059.05.042.051.024.053.069.068.052.078.075.069.067.013.050.059.032.0Rata-rata52.5056.1052.6057.3057.5060.5050.7052.7038.3041.6044.2039.2060.564.160.665.365.568.558.760.746.349.652.247.2
Cat : Data + Digit Nim Terakhir
Tabel 2.11 Angka Koreksi (c) Bulanan Untuk Rumus
PenmanBulanCBulanCJanuari1.04Juli0.9Februari1.05Agustus1Maret1.06September1.1April0.9Oktober1.1Mei0.9Nopember1.1Juni0.9Desember1.1Sumber
: Ir. Agus Suroso, MT
DATA YANG INPUT KE PENYELESAIAN
ETo M.REJA. HEvapotranspirasi Tahun
2006..........................................
NoBulanSatuanRerata
2003Jan.Peb.Mar.Apr.MeiJun.Jul.Agt.Sep.Okt.Nov.Des.1Kelembapan%88.8085.6987.7687.2385.0580.0680.0679.0382.7486.6288.8089.07
2T. Rerata
(oC)33.8633.8434.0634.7535.0435.2634.7634.7234.5934.1333.6233.144Kecepatan
Anginkm/jam600.05564.49542.27537.82568.93542.27524.49546.71533.38533.38520.04564.495Sinar
Matahari%52.5056.1052.6057.3057.5060.5050.7052.7038.3041.6044.2039.206ea
(tabel)
AMY: REJA:nilai ini dipengaruhi temperatur. Dan hasil dari tabel
merupakan hasil
interpolasimbar52.8052.7053.4055.4056.3057.0055.5055.4055.0053.6052.1050.707ed=ea
x
RH/100mbar46.8945.1646.8648.3347.8845.6344.4343.7845.5146.4346.2645.168ea-edmbar5.917.546.547.078.4211.3711.0711.629.497.175.845.549f(u)=0.27(1+U/100)1.891.791.731.721.811.731.691.751.711.711.671.79101-W
0.180.180.180.180.170.170.180.180.180.180.180.1911(1-w)f(u)(ea-ed)mm/hari2.012.442.042.192.583.353.363.652.922.211.761.8912Ra(tabel)
AMY: REJA:nilai ini tergantung pada letak LINTANG UTARA stasiun
klimatologi. Pada stasiun ini KOORDINAT 5' 14" LU - 97' 12" BT,
ELEVASI 26 M
DPLmm/hari14.0014.9015.4515.4515.0014.5514.7515.1515.3015.0514.3513.9013(0.25+0.5
n/N)0.510.530.510.540.540.550.500.510.440.460.470.4514Rs=Ra(0.25+0.5*n/N)mm/hari7.187.907.938.298.068.047.437.786.756.896.766.2015(1-a)Rsmm/hari5.886.486.506.806.696.676.096.385.545.655.545.0216f(T)
(tabel)
AMY: REJA :tergantung nilai
temperatur17.7017.7017.7017.8017.9018.0017.9017.8017.8017.7017.6017.5017(f(ed)=0.34-0.044ed0.50.040.040.040.030.040.040.050.050.040.040.040.0418f(n/N)=0.1+0.9*n/N0.570.600.570.620.620.640.560.570.440.470.500.4519Rn1=f(T)
x F(ed) x
f(n/N)0.390.470.390.370.390.500.470.500.340.340.360.3520Rn =
(1-a)Rs - Rn15.496.016.116.426.306.185.625.885.205.315.194.6721W
(tabel)
AMY: REJA:nilai ini tergantung pada temperatur dan ketinggian..
Untuk sta ini ketinggian diambil pada 0
m0.820.820.820.820.830.830.820.820.820.820.820.8122W x
Rnmm/hari4.504.935.015.275.235.134.614.824.264.364.253.7823W x Rn +
(1-w)f(u)(ea-ed)mm/hari6.517.367.057.467.818.487.978.477.186.576.015.6724c
(tabel)1.041.051.060.900.900.900.901.001.101.101.101.1025Eto=c x (W
x Rn +
(1-w)f(u)(ea-ed))mm/hari6.787.737.476.717.037.637.178.477.907.226.616.2426mm/bulan210.03216.42231.56201.41217.97228.87222.39262.66237.07223.89198.35193.41Eto
= evapotranspirasi potensial (mm/hari);f(u) = faktor kecepatan
angin;c = faktor perkiraan dari kondisi musim;ea = tekanan uap
jenuh (mbar);W = faktor temperatur;ed = tekanan uap udara (mbar);Ra
= radiasi;f(T) = temperatur udara, oC;Rs = harga radiasi matahari;n
= lama penyinaran matahari (jam/hari);Rnl = radiasi gelombang
panjang netto;N = lamanya penyinaran rata-rata yang mungkin
terjadi;Rn = besar radiasi nettoU = kecepatan angin (km/hari);RH =
kelembaban relatif (%).
tugas II CHData Curah Hujan CURAH HUJAN SETENGAH
BULANANNoTahunJanFebMarAprMeiJunJulAgustSepOktNopDesIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII119857454501155910734893515459167181195302857106761271066748CURAH
HUJAN HARIAN MAKSIMUM
BULANAN2198637181450834317922184734361537352310461872394124122109319871944941118729488302233620913277567134295360497937TahunJanFebMarAprMeiJunJulAgustSepOktNopDesRmax419881625671062662402914797317614911856181929093103017882519896710764273947107671534328705766852119306171157686019853743514935538719484534087619902510132322076803249224114836341671547312967124226198619404438270161917414453537199182631010367107715238317622112333010066988019951991987460693212518135648234022125819923594271629766171232652141814917103063985119146199491988135237183015203114139803514191993871527002035691732969842857101118024105011027141198969142547638432894228620941019943884533486914685622113601326049151876101214151144108199057198842309231593918148811199557562341461021652910638612374261172183318579611835123199150110541610346168452541110121996945531168014634101864040119361165820531417210659221101992341738441141121940433511611613199714732935649473650622111010275104071183983101352262053719935610133562282104485210610614199855604921242443367703545330174746266971608717175941994412655490571541174396549615199911612104682521205557303924304015153144055418238324419951091067215832822127313131091620002183551311311572552322281481223446702350015679109199634732254581322942613753401371720011228397123412337247983840253203570541566472271511997120152426266782192459117401201820021478313367134204958363207020211167901223806218980180199847191153443281855835421076118519200316975151093714302271041592690187172813853192206129103192221999108432120321714822029510108202004244028692735343497472031502232796851911254251172000395180342850153302546185185212005147831336713420495836320702021116790122384162189801802001033261331522315382418510018522200619110323825628173986282653021612535542669267554120028565113324154215403877801132320074218245509827401089545444211910416871471015451748419111820034901180951555412445126427515524200884573412791102852921386022644911181810118515161108109200430302120330206408027138025200935942716297661712326014181491710359639851191461294920058565113324154210253877801132006682264034201427171312624126200730182942381239297513376875200811057887130923159391814110Pengurutan
Data200930182912801239297513376880NoJanFebMarAprMeiJunJulAgustSepOktNopDesProbabilitas
(%)20103030212050932064080271393IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII11941822931682202441431083021542074362751871182811471921922062144722052223.852191107234146134165107106238104207167119149116234711341871911742671991997.693169103151131134146941012279715960901491161536712218518517122619118011.54414710114512710210785921738611042701191161036212210617215118917818015.3851479413311598107818915384983861104761035911910116012918914415119.2361229413310691102808814763763753505710152969812912718312914123.0871168410410386917185976373334849538746809810112517112211826.9289483949783766173956169284040497938709710110615710811030.77987836769677661718647602631374079357090981031569510934.62108483646859765771834759263036357528668593941518010938.46118275556749724969834552242636347427638379871468010942.31127473536739624967724345222028337225637676821467910846.1513676350562962466770404420202632712057735380124799450.0014576049502947405562384014192627681854665169110758253.8515555745382747405062353914182522611853555167106686057.6916425634342643363457313611182121581853545066103674961.541738553127253735335530311018211756184654456284554965.38183754282325353432492928815171749154038416261514869.23193540272124343429382622814131730143938416159514473.08203525271618273429352613713121623113530266049424176.92212518271613213352323429101516103329235042323780.7722241510111220295232321481211101824153538273784.62232112309202052122204511301823101919272688.46241683002017221212014400101561912222392.3125144200111209210000000014000191796.15R80%2719.427161422.233.29.825.423.65.839.810.415.217.410.233.429.223.65243.43437.880
Reja MH: Reja MH:
Re (padi)
Reja MH: Reja MH:CURAH HUJAN EFEKTIF 1/2 BULANAN RATA - RATA
TAHUNAN UNTUK PADI
(MM)1.260.911.260.750.651.041.550.461.191.100.270.140.460.490.710.810.481.561.361.102.432.031.591.76R50%676350562962466770404420202632712057735380124799450
Reja MH: Reja MH:
Re (palawija)
Reja MH: Reja MH:CURAH HUJAN EFEKTIF (R50) 1/2 BULANAN RATA - RATA
TAHUNAN UNTUK PALAWIJA
(MM)3.132.942.332.611.352.892.153.133.271.872.050.930.931.211.493.310.932.663.412.473.735.793.694.39CURAH
HUJAN HARIAN MAKSIMUM BULANAN
TahunJanFebMarAprMeiJunJulAgustSepOktNopDes
19851281651661231892261375385182233115198655145126109105509525856210218231198719810590182325562210220182109116198841173886924438110174210183103260198917491861741961075144171363281281990126262961127115845012520279681991145113174762699813631016499294199212943105132496616712063149165248199310227201042027732158913416016819941228717713183733949331773652521995113380267135993930835126424474199614919914613512641551747318616513219978734996868312028511157184261242199811570268100105781778128257258169199912817246758763701685496120762000104186245978502224611673156188200113010046451191366532105695381782002230200154541462074119512238251260200324415146143331185277298913982322412004649762681442812512327616768200523020015454146207411951227925126020062944087154955453826080336962007224951251481408622310315760258309200814116119311459623060362862122172009129431051324914167120122149165178
tugas III pola tanamKEBUTUHAN AIR TANAMAN ( NFR ) DENGAN JANGKA
WAKTU PENYIAPAN LAHAN 1,5 BULAN (45 hari)DENGAN PADI VARIETAS
UNGGUL FAO DAN PALAWIJAAlternatif musim tanam dengan pola Padi -
Palawija - PadiTUGAS III M.REJA HAMIZAN 12141028Mulai tanam : 15
OktoberWaktu penyiapan lahan: 45 HariKebutuhan air penjenuhan: 250
mm Total efisiensi: 65 %
No.UraianSatuanJanFebMarAprMeiJunJulAgustSepOktNovDesIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII1Pola
Tanam
2ETomm/hari6.7756.7757.7297.7297.4707.4706.716.717.0317.0317.6297.6297.1747.1748.4738.4737.9027.9027.2227.2226.6126.6126.2396.2393Eomm/hari7.4537.4538.5028.5028.2168.2167.3857.3857.7347.7348.3928.3927.8917.8919.3209.3208.6938.6937.9447.9447.2737.2736.8636.8634Pmm/hari2.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0002.0005Mmm/hari9.4539.45310.50210.50210.21610.2169.3859.3859.7349.73410.39210.3929.8919.89111.32011.32010.69310.6939.9449.9449.2739.2738.8638.8636kmm/hari1.7021.7021.8901.8901.8391.8391.6891.6891.7521.7521.8711.8711.7801.7802.0382.0381.9251.9251.7901.7901.6691.6691.5951.5957IR
(LP)mm/hari12.14812.14811.51111.93811.42511.4258Re
(padi)mm/hari1.2600.9051.2600.7470.6531.0361.5490.4571.1851.1010.2710.1400.4570.4850.7090.8120.4761.5591.3631.1012.4272.0251.5871.7649Re
(plj)mm/hari3.1272.9402.3332.6131.3532.8932.1473.1273.2671.8672.0530.9330.9331.2131.4933.3130.9332.6603.4072.4733.7335.7873.6874.38710WLR1mm/hari3.3003.3003.3003.30011WLR2mm/hari3.3003.3003.3003.30012WLR3mm/hari3.3003.3003.3003.30013WLRmm/hari2.2001.1001.1001.1001.1002.2001.1001.1001.1001.10014c10.9500.0000.000LP1.1001.1001.0501.0500.9500.0000.000LP1.1001.1001.0501.05015c21.0500.9500.000LPLP1.1001.1001.0501.0500.9500.000LPLP1.1001.1001.05016c31.0501.0500.9500.000LPLPLP1.1001.1001.0501.0500.9500.000LPLPLP1.1001.10017Kc(padi)1.0170.6670.3170.000LPLPLP1.0831.0671.0170.6670.3170.000LPLPLP1.0831.06718c10.5000.7501.0001.0000.8200.45019c20.5000.7501.0001.0000.8200.45020c30.5000.7501.0001.0000.8200.45021Kc(Kedelai)0.1670.4170.7500.9170.9400.7570.4230.15022ETc
(padi)mm/hari6.8884.5172.4480.00012.14812.14811.5117.6178.1387.7564.7832.2720.00011.93811.42511.4256.7596.65523ETc
(plj)mm/hari1.1963.5306.3557.2447.4285.4653.0570.99224NFR
(padi)mm/hari9.8286.7124.2881.25311.49411.1129.96110.26010.05210.8557.6120.0000.00010.8368.9999.4008.2727.99125NFR
(plj)mm/hari2.2624.5977.1417.7506.1156.5312.3970.00026NFR
totalmm/hari9.8286.7124.2881.25311.49411.1129.96110.26010.05210.8557.6122.2624.5977.1417.7506.1156.5312.3970.00010.8368.9999.4008.2727.99127DRlt/dt/ha1.7501.2730.8140.2382.1812.1081.8901.9471.9072.0601.4440.4290.8721.3551.4711.1601.2390.4550.0002.0561.7071.7841.5701.5162.181
LPPADIPADILPPALAWIJAPADI
