STATION: PAGO PAGO AP-AMERICAN SAMOA (NSTU), PI
CLIMATOLOGICAL SUMMARY. Period of Record: Jul 1996 to Nov 2005
Summaries based on unedited daily ASOS data. Errors may be present.
-----------------------------------------------------------------------------------------------
TEMPERATURE (F) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Avg Max Temp | 89.1 89.2 88.8 88.6 87.0 85.3 85.5 85.6 86.4 87.1 88.3 88.7 | 87.5
Avg Min Temp | 77.6 77.4 77.0 78.4 78.3 77.5 77.3 77.2 78.3 78.2 77.6 77.7 | 77.7
Avg Temperature | 83.3 83.3 82.9 83.5 82.6 81.4 81.4 81.4 82.3 82.7 83.0 83.2 | 82.6
| |
Extremes: | |
Extreme Max Temp| 95 95 94 95 93 89 91 92 91 94 95 94 | 95
| |
Date of Ext-Day | 08 03 01 14 04 20 23 17 02 24 18 03 |
-Year| 1998 2002 2002 1998 2000 1998 1996 2002 1998 2001 1998 1998 |
| |
Extreme Min Temp| 72 73 73 72 70 68 70 70 72 72 72 73 | 68
| |
Date of Ext-Day | 20 25 28 04 24 18 04 13 01 23 17 21 |
-Year| 1999 1997 1997 2004 1998 1997 2000 1996 1999 2002 1996 1998 |
| |
Heating Degree Days | 0 0 0 0 0 0 0 0 0 0 0 0 | 0
Cooling Degree Days | 564 514 554 555 547 493 508 508 520 548 534 563 | 6408
| |
Avg Number of Days: | |
Max Temp >= 90 | 15.7 13.4 13.0 9.0 1.9 0.0 0.8 0.5 2.1 3.7 6.7 10.0 | 76.8
Max Temp >= 75 | 31.0 28.2 31.0 30.0 31.0 30.0 31.0 31.0 30.0 31.0 30.0 31.0 | 365.2
Max Temp <= 32 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
| |
Min Temp <= 32 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Min Temp <= 20 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Min Temp <= 0 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
| |
Avg Dew Point Temp | ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### | #####
Avg Wet Bulb Temp | ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### | #####
| |
------------------------------------------------------------------------------------------------------
| |
Avg Sea Level Pres | ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### ##### | #####
(Inches of Mercury) | |
------------------------------------------------------------------------------------------------------
| |
WEATHER | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
See disclaimer below| |
| |
Avg Number of Days: | |
Thunderstorms | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Heavy Fog | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Fog | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Hail | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
| |
------------------------------------------------------------------------------------------------------
| |
PRECIPITATION (In) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Average Monthly | 10.36 9.68 12.03 6.90 11.27 5.64 4.27 4.03 9.81 11.00 10.39 11.21 | 106.59
| |
Maximum Daily | 6.59 6.99 5.19 3.27 8.60 4.30 3.86 2.66 3.79 5.75 3.50 3.34 | 8.60
| |
Date of Ext-Day | 10 27 06 19 12 13 15 21 15 10 17 15 |
-Year| 1997 2000 2000 2002 1999 2003 2002 2002 1999 1996 2003 2000 |
| |
Avg Number of Days: | |
>= 0.01 | 21.8 21.4 23.3 17.9 17.8 17.0 16.2 15.8 18.9 20.8 20.6 21.6 | 233.1
>= 0.10 | 15.5 12.5 15.9 11.3 12.1 8.9 8.4 7.9 12.9 12.5 13.8 14.2 | 145.9
>= 0.25 | 10.5 8.2 11.7 6.4 8.4 5.4 4.3 3.9 8.8 8.6 9.8 10.5 | 96.3
>= 0.50 | 5.8 5.3 8.0 4.1 5.8 3.5 2.5 2.0 5.5 5.8 7.3 7.0 | 62.8
>= 1.00 | 2.3 2.7 3.4 2.0 3.9 1.5 0.7 1.2 3.3 3.5 3.3 3.3 | 31.3
| |
------------------------------------------------------------------------------------------------------
| |
WIND (MPH) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Daily Avg Wind Speed| #### #### #### #### #### #### #### #### #### #### #### #### | #####
Daily Avg Max 2-Min | 14.6 14.0 13.1 13.1 14.9 16.6 15.7 16.6 18.3 16.0 14.6 14.9 | 15.2
Daily Avg Peak Gust | 20.8 20.2 19.1 17.8 19.5 21.8 20.2 21.0 23.7 20.6 19.5 20.6 | 20.4
| |
Maximum Daily Avg | #### #### #### #### #### #### #### #### #### #### #### #### | 0.0
| |
Maximum 2-Minute Avg| 32 28 26 23 30 36 28 27 30 30 30 33 | 36
| |
Date of Max 2min-Day| 07 13 14 27 26 13 26 25 10 16 23 31 |
-Year| 1997 1997 1997 1998 2000 1997 2000 1998 1996 1998 2003 2001 |
| |
Maximum Peak Gust | 58 38 51 37 37 51 37 37 39 37 35 49 | 58
| |
Date of Max Gust-Day| 08 13 14 24 26 13 24 12 09 12 17 31 |
-Year| 1997 1997 1997 2002 1999 1997 2005 2002 1996 1996 1996 2001 |
| |
Avg Number of Days: | |
Peak Gust >=30 | 2.8 2.3 2.7 0.7 1.8 3.2 1.3 1.1 4.7 2.2 1.0 1.9 | 25.8
Peak Gust >=40 | 1.0 0.0 0.8 0.0 0.0 0.3 0.0 0.0 0.0 0.0 0.0 0.8 | 2.9
Peak Gust >=50 | 0.2 0.0 0.4 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 | 0.7
| |
Max 2-Minute >=30| 0.3 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.2 0.1 0.1 0.0 | 1.1
Max 2-Minute >=40| 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
| |
------------------------------------------------------------------------------------------------------
Observations of WEATHER may me innacurate due to early ASOS inconsistancies. Average days
with Thunderstorms may be low due to early mis-detection.
Heavy Fog = Visibility less than or equal to 1/4 mile.
Fog = Visibility greater than 1/4 mile or less than 7 miles.
Peak Gust = Maximum 5-second average.
Snowfall data not observed at ASOS stations.
Copyright ©2009 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.