Chuvas

40 Anos de Medição de Chuva

1974

184,0

  55,0

126,0

 17,0

   15,0

  4,0

    –

    4,0

   –

140,0

  141,0

    219,0

  905,0

1975

234,0

263,0

  72,0

 81,0

   16,0

31,0

  48,0

     –

    37,0

  87,0

  243,0

    121,0

1.233,0

1976

125,0

  81,0

  85,0

 15,0

   71,0

  6,0

  40,0

  19,0

  185,0

164,0

  213,0

    269,0

1.273,0

1977

338,0

  80,0

  48,0

     106,0

   17,0

  8,0

  15,0

    –

    83,0

101,0

  250,0

    225,0

1.271,0

1978

219,0

263,0

  37,0

 30,0

 180,0

14,0

  91,0

  30,0

  103,0

180,0

    92,0

    297,0

1.614,0

1979

449,0

568,0

148,0

 43,0

 119,0

   –

  21,0

  41,0

    39,0

  68,0

  327,0

    370,0

2.193,0

1980

508,0

141,0

144,0

156,0

   46,0

22,0

   3,0

    2,0

    24,0

  50,0

  123,0

    428,0

1.657,0

1981

310,0

186,0

225,0

 31,0

   49,0

128,

   –

  67,0

      9,0

298,0

  598,0

    237,0

2.138,0

1982

257,0

  78,0

315,0

112,0

   25,0

18,5

  19,5

    2,0

    74,0

  69,5

    38,0

    181,5

1.190,0

1983

347,5

225,5

216,0

190,0

   83,0

14,0

  30,0

    –

    69,5

300,5

  211,5

    240,5

1.928,0

1984

283,0

107,0

103,0

  62,0

     6,5

   –

    7,0

  68,5

  113,5

  93,0

  275,5

    323,5

1.442,5

1985

771,0

201,5

209,0

  45,0

   47,0

   –

     –

  30,0

  148,0

175,0

  133,5

    323,5

2.083,0

1986

250,0

133,5

  46,0

100,0

   92,5

16,0

  26,0

110,0

      2,5

  11,5

  173,0

    440,5

1.401,0

1987

127,0

  86,5

186,5

  47,0

   20,0

22,5

    8,0

    7,5

  118,0

  27,0

  130,5

    240,5

1.021,0

1988

213,5

322,0

130,0

103,5

   44.5

  –

 –

  –

      3,0

100,0

  118,0

    171,0

1205,0

1989

126,0

116,0

121,0

  25,0

   10,0

60,0

  85,5

    2,5

    34,5

110,0

  196,5

    290,0

1.177,0

1990

307,0

214,5

123,5

  37,5

   34,0

18,0

  37,0

  21,5

      7,0

  72,5

  127,5

    158,0

1.158,0

1991

547,0

130,5

266,0

  40,0

   55,0

  –

  22,2

  17,0

  167,5

124,5

  251,0

    222,0

1.842,0

1992

342,0

115,0

  39,0

107,0

 120,0

20,0

    8,0

  42,0

  142,0

125,5

  254,0

    326,0

1.640,5

1993

176,0

  32,0

  51,0

132,0

   15,5

10,0

    –

  –

    26,5

  81,0

  162,0

    216,0

   902,0

1994

330,5

  33,5

288,5

  65,0

   41,5

24,0

    3,0

  –

    –

  68,0

  196,0

    159,0

1.210,0

1995

  69,0

230,0

113,0

110,5

   51,0

  –

    7,5

    1,5

    –

141,0

  379,0

    373,0

1.475,0

1996

157,7

138,5

150,5

  62,5

   35,0

  –

    2,5

  18,5

  117,7

270,5

  298,0

    252,0

1.503,0

1997

585,0

141,0

287,5

  34,0

   50,0

47,0

    –

  12,0

  126,5

121,0

  229,0

    351,0

1.984,0

1998

244,0

171,0

108,0

  77,5

   75,0

  1,0

    5,0

  66,5

    47,0

144,5

  183,5

    202,0

1.325,0

1999

375,0

123,5

219,0

   8,0

     6,0

10,5

    0,5

    0,5

      2,0

  26,0

  109,0

    363,0

1.243,0

2000

269,0

205,0

298,0

  21,0

   11,0

40,0

    –

  17,0

    58,5

121,5

  187,5

    438,0

1.667,0

2001

348,0

  80,0

107,0

  97,0

   80,0

28,5

    –

    4,0

    44,5

  99,5

  395,5

    353,0

1.637,0

2002

393,0

172,5

  80,5

  12,0

   51,0

  5,0

    8,0

    8,0

   132,0

  73,0

  239,0

    523,0

1.697,0

2003

615,5

  41,5

  76,0

  38,5

   20,0

  –

   –

  55,5

    27,5

152,0

  150,0

    242,5

1.419,5

2004

501,5

387,5

197,0

196,5

   45,5

31,5

  34,0

   6,0

      –

 58,0

 152,5

   453,0

2.062,5

2005

227,0

207,0

498,0

134,0

   43,5

45,0

    9,0

  11,0

 149,5

 89,0

 393,5

   298,0

2.104,5

2006

    2,0

  63,5

215,5

  81,0

     9,0

 10,

    1,0

  27,0

   47,5

188,

 499,

   413,5

1.557,0

2007

563,0

184,0

124,0

103,0

   11,0

  0,0

    0,0

    0,0

     6,5

127,0

178,0

   375,0

1.672,0

2008

315,5

180,5

134,5

167,0

     7,0

  0,0

  29,5

   8,0

 126,0

  92,0

419,5

   600,5

2.040,0

2009

511,0

196,5

165,0

145,0

   22,0

32,0

  14,5

  44,0

 182,0

167,0

133,0

   492,5

2.105,0

2010

  53,5

 136,5

 197,0

 71,5,

 93,0

   –

    –

    5,0

   20,5

172,0

504,5

   768,0

2.021,5

2011

138,0

   77,0

 364,0

  33,0

8.0

 20,0

   –

   –

   2,0

217,0

 306.5

 277,5

1.128,5

2012

289,5

0

156,0

77,0

93,5

19,0

4,0

13,0

29,0

84,5

265,0

173,5

1.204,0

2013

317,5

      84,0

   243,5

46,5

106,0

  22,5

42,5

6,0

     43,5

83,5

152,5

373,0

1436,0

 Total

12.419,2

6.252,0

6.713,5

2.989,0

1.872,5

728,0

622,2

767,5

2.548,2

4.873,0

9.122,0

12.780,0

  61.765,5

Média

     310,5

  156,3

   168,0

    74,7

46,8

18,2

  15,5

  19,2

      63,7

121,8

  228,0

       319,5

   1.544,1

CHUVAS- 40

 

ANOS DE MEDIÇÃO: 1974-2013

PROPRIEDADE – Ruy Gripp- Av. Catarina Eller, 890- Alto Jequitibá-MG

 

OBSERVAÇÕES GERAIS:

1-Media Mensal dos  40 anos: Janeiro= 12.419,2 ÷40= 310,5  mm; Fevereiro=6.252,0 ÷40=156,3; março= 6713,5 ÷40= 168,0 ; abril = 2.989,0÷40= 74,7; maio= 1.872,5÷40=46,8;  junho = 728,0÷40= 18,2; julho=622,2÷ 40= 15,5; agosto= 767,5÷40=19,2; setembro =2.548,2÷40=63,7; outubro=4.873,0÷40=121,8; novembro=9.122,0÷40=228,0; e dezembro= 12.780,0÷40= 319,5 mm

2-Media anual: a soma de cada ano = 61.765,5 ÷40 =1.544,1 mm/ano. Média mensal nestes 40 anos= 1.544,1 ÷12= 128,6  mm/mês de 1974/ 2013.

3- Cada mm (milímetro) de chuva corresponde a um litro/m2 de área ou  10 m3 por hectare.

4- Os cinco anos de menor precipitação foram: 1993=902,0 mm; 1974=905,0 mm: 1987= 1.021,0 mm; 2011= 1.128,0 mm e 1990= 1.158mm.

5- Os cinco anos  de maior precipitação foram: 1979= 2.193,0 mm: 1981= 2.139,0 mm;  2.005=2.104,5 mm; 2.008= 2.105,0 mm.; e 2007= 2.040,0 mm.

6- A média das chuvas  anual e mensal  em cada década: na 1º de 1974-1983= 15.402,0 ÷10= 1.540,2  mm/ano e 1.540,2 ÷12= 128,5 mm/mês;  na 2º década de 1984-1993= 13.871,0 ÷ 10= 1.387,1  mm/ano e  115,5 mm/ mês; na 3º década de 1994 a 2003 = 15.160,0 ÷10 = 15.160,0 mm /ano e 15.160,0 ÷12 =  151,6  mm/mês; e na 4º e  última década  correspondente a 2004 a 2013 = 17.331,0 ÷ 10= 1.733,1 mm /ano e 1.733,1 ÷ 12= 144,2  mm/mês.

7- Média dos últimos  20 anos: 32.492,0÷20= 1.624.0  mm/ano e 135,3 mm/mês  (1994 a 2013) foi superior a média dos  20 primeiros anos (1974 – 1994) de medição: 29.273,÷ 20=1.463,6 mm/ano e 121,9 mm/mês.

8-  A media mensal dos seis meses de  verão e de mais chuva: janeiro= 310,2 ; Fev= 158,1; março= 165,0 ; outubro= 122,8; novembro= 224,9 e dezembro= 318 mm num total de  1.299 ÷6=216.5 mm/ mês  no período cuvoso;

9- A media mensal  dos seis meses  de inverno e seca: abril= 75,4; maio= 45,2 ; junho= 18,0; julho= 14,8;agosto= 19,5; setembro=64,2, num  total de 237,1 ÷6= 39,5 mm/mês, periodo de seca;

10- Chuvas de 2013 = 1.436,0, sendo: jan- 317,5 mm; fev- 84,0 mm; março- 243,5; abril- 46,5 ; maio- 106,0; junho- 22,5; julho- 42,5; agosto- 6,0; set- 43,5; out.83,5; nov- 152,5 e dezembro- 373,0 mm;.

Ruy  Gripp – 08-01-14

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