Station

Parameter

Jan.

Feb.

Mar.

April

May

June

July

Aug.

Sept.

Oct.

Nov.

Dec.

Year

Calabar

P

40

71

161

222

306

419

449

411

421

325

188

50

3063

PET

80

85

91

85

79

64

53

51

58

69

76

83

887

P-PET

−40

−14

70

137

227

355

396

360

363

256

112

−33

2176