National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

 

                          

 


 The Monthly Rainfall Totals are rainfall data collected from the U.S.-Affiliated Pacific Islands (USAPI). Providing up-to-date information on climate variability related to the ENSO climate cycle for their respectable regions. This data is intended to supply information for the benefit of those involved in such climate-sensitive sectors as civil defense, resource management, and developmental planning in the various jurisdictions of the USAPI.

 

Monthly Rainfall Totals

 

 

August Rainfall Totals

 

Rainfall

% Norm

Norm

Departure

3 Month Total

 

Inches
August
Inches
Inches
JJA

Republic of Palau

Airai

8.40

65

13.01

-4.61

45.17

Federated States of Micronesia

Yap

12.28

90

13.49

-1.21

39.12

Chuuk

10.32

79

13.08

-2.76

41.07

Pohnpei

7.02

48

14.58

-7.56

43.45

Kosrae

9.21

68

13.61

-4.40

41.24

Republic of the Marshall Islands

Kwajalein

8.43

87

9.69

-1.26

29.58

Majuro

7.02

60

11.70

-4.68

26.91

Guam and CNMI

Guam NAS

14.48

96

15.52

-0.68

30.35

Saipan

9.40

78

12.04

-2.64

20.85

American Samoa

Pago Pago

6.68

113

5.90

0.78

21.09

State of Hawaii

Lihue

0.63

36

1.77

-1.14

2.09

Honolulu

0.15

83

0.18

-0.03

0.23

Kahului

1.62

476

0.34

1.28

1.94

Hilo

11.56

131

8.82

2.74

20.28

  • % Normal: blue above normal & red below normal. Departure from normal: blue-above & red-below (same for 3 Month Total)
  • Previous rainfall totals can be found in the conference call summaries on the PEAC Monthly Conference
  • *** Denotes *Missing Data*