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Data Rata-Rata Curah Hujan Bulanan

Kota Makassar Tahun 2009-2014

No

.

Bulan Curah

Hujan

Rata-Rata

Rata-Rata Curah

Hujan

1 Januari 788

255.3875

2 Februari 466.83

3 Maret 32.83

4 !"ril 21.67

5 Mei 134.33

6 Juni 1#2.16

7 Juli 55.83

8 !$u%tu% 1#.67

&e"te'b

er

38.83

1# ()tober 52.33

11 No*e'be

r

155.17

12 +e%e'be

r

648

Rata-Rata 255.3875

Diketahui:

1. X=255.3875mm

2. n=12

Ditanyakan:

1. Ym

2. YT

3. S ' ,&tanar +e*ia%iYm

4. S " ,&tanar +e*ia%i Curah Hujan

5. XT ,Curah Hujan "aa

Ti

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Penyelesaian:

1 Ym

Ym=ln(ln((n+1 )m(n+1 ) ))

( (n+1 )m ) ((n+1

)m

(n+1 ) ) ln

((n+1

)m

(n+1 ) ) ln

(ln((

n+1

)m(n+1) ))1 12 #.23#77 #.#8##43 2.5251441

2 11 #.846154 #.167#54 1.7843765

3 1# #.76231 #.262364 1.338#21418

4 #.623#8 #.367725 1.###42#5#1

5 8 #.615385 #.4855#8 #.7225583

6 7 #.538462 #.61#3 #.47586667

7 6 #.461538 #.7731 #.25723#61

8 5 #.384615 #.55511 #.#455#8537

4 #.3#762 1.178655 -#.1643735

1

# 3 #.23#76 1.466337 -#.3827675

1

1 2 #.153846 1.8718#2 -#.626#17

1

2 1 #.#7623 2.5644 -#.413873

ln(ln((n+(n 6.#4178

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YM=

ln(ln((n+1 )m(n+1 ) ))n

YM=6.041978

12

YM= 0!0"49#

2 YT

YT=ln(ln((T1 )T ))/10 3 /20 6 /30

T

,/ahun ((T1 )

T

) (ln

((T1)

T

)) ln

(ln

((T1 )

T

))3

#.666667 #.4#5465 #.#272

6#.83333

3 #.182322 1.7#183

#.88888

#.117783 2.13811

YT1=0,90272

YT2=1.701983

YT3=2.138911

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" S $ %&tan'ar De(iasiYm )

Sm= (Ym (i)Ym )

2

(n1 )

Ym (n ) Ym (Ym (n)Ym ) (Ym(i)Ym )2

2.5251441

#.5#34822.#2167 4.#87258

1.7843765 1.2853 1.65364

1.338#21418 #.834523 #.66421.###42#

5#1 #.4622 #.24632#.72255

83 #.21#62 #.#4788#.47586

667 -#.#231 #.###572#.25723#

61 -#.24627 #.#6#648#.#455#8

537 -#.457 #.2#755

-#.164373

-#.66787 #.446#53

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5-

#.3827675 -#.88627 #.785467

-#.626#1

7 -1.13#4 1.2778#4-

#.413873 -1.44544 2.#8288

(Ym(i)Ym)2

11.6#183

Sm=

(Ym (i)Ym )2

(n1 )

Sm=11.6018311Sm=0.966819

Sm=0.98327

4 S * %&tan'ar De(iasi Curah Hujan)

Sp= (P(i )P)

2

(n1)

Bulan P( i) P (P(i )P ) (P(i )P )2

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Januari 788

255.3875

532.6125 283676.#752Februari 466.83 211.4425 447#7.3#81Maret 32.83 137.4425 188#.44#81!"ril 21.67 -35.7175 1275.738#6

Mei 134.33 -121.#58 14654.1831Juni 1#2.16 -153.228 23478.66676Juli 55.83 -1.558 3823.1581

!$u%tu% 1#.67 -244.718 5886.65481&e"te'

ber38.83

-216.558 4687.15#81()tober 52.33 -2#3.#58 41232.34831No*e'b

er155.17

-1##.218 1##43.54731+e%e'b

er

648

32.6125 154144.5752 (P(i) P )2

738711.2438

Sp= (P(i )P)

2

(n1)

Sp=738711.243811Sp=67155.56762

Sp=259.143913mm

! XT %Curah Hujan *a'a

Ti )

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XT=P+((YTYm )Sm )SP

YT P Sm Ym Sp

XT1#.#272

255.3875 #.8327 #.5#348 25.1431

3

XT21.7#183

255.3875 #.8327 #.5#348 25.1431

3

XT32.13811

255.3875 #.8327 #.5#348 25.1431

3

YTYm(YTYm )

Sm ((YTYm )

Sm )SP

P+(

(YTYm )Sm )

SP

#.322

#.4#6#1251 1#5.2157268 36#.6#32

1.17583

1.2175462 315.6268868 571.#144

1.635411

1.66323654 431.#178773 686.4#54