Local Climate Data from Portland Airport

1. Monthly Extremes or Monthly Normals
2. Daily Normals and Records, by Month:
   Jan-Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec
   
   
3. Days Per Month/Year of Highs/Lows 90, 32 and 15 degrees
4. Temperature Frequency Tables
5. Heat Waves and Cold Snaps
6. Monthly MAX Temperatures (1871-2007)
7. Monthly MIN Temperatures (1871-2007)
8. Monthly MEAN Temperatures (1871-2000)
9. Warmest/Coldest Months/Years (1871-2000)
10. Extreme MAX Temperatures, by month (1871-2000)
11. Extreme MIN Temperatures, by month (1871-2000)
12. First & Last Days to reach 70, 80, 90 degrees
13. Heating Degree Days, by season/month (1941-2000)
14. Daily Cumulative Heating Degree Days (normals)
15. Cooling Degree Days, by season/month (1941-2000)
16. Daily Cumulative Cooling Degree Days (normals)
17. Freeze Data, with First and Last Freeze Dates

1. Graph of Monthly Rainfall or Monthly Extreme/Normals (both graphics)
2. Daily Normals and Records, by Month:
   Jan & Feb | Mar & Apr | May & Jun | Jul & Aug | Sep & Oct | Nov & Dec
   
   
3. Monthly and Annual Rainfall Totals (1871-2000)
4. Wettest and Driest 5 Months/Years (1871-2000)
5. Water Year Totals & Normals (1871-2000)
6. Short Term Rainfall Records (1953-2000)
7. 24-Hour Rainfall Records (1871-2000)
8. Days in Month with 0.01, 0.10, 0.50, 1.00 inch of rain
9. Rainy Streaks with Trace, 0.01 and 0.10 inch of rain
10. Normal Days in Month with 0.01+, Trace, or no Rain
11. Top 20 Wettest Days per month and All-time
12. Days in Month with Trace or less, and Absolutely No rain
13. Dry Streaks with Trace, or NO Rain
14. Monthly Total of Days with 0.01 inch or more (by day)
15. Daily Chance of Rain (graphic)
16. Daily Chance of Rain (text)
    
    
17. Snowfall Records and Christmas Snow
18. Snowy Streaks and Snowiest Days
19. Monthly and Seasonal Snowfall Totals (1871-2000>

1. Days in Month with Dense Fog and Foggy Streaks
2. Atmospheric Pressure: Normal and Extremes
3. By Month, Hourly Relative Humidity, by time of day
4. Graph of Hourly Relative Humidity (graphic)
5. Wind: Normal and Extremes
6. Wind: Frequency of Direction, based on time of day
7. Wind: Frequency of Speed, based on direction and time of day
   
   
8. Days per Month: Clear, Partly Cloudy, Cloudy
9. Sky Cover Frequency: January through June
10. Sky Cover Frequency: July through December, and Annual
11. Major Holiday Weather Statistics
12. Rose Parade/Festival Weather Statistics
13. Condensed Climate Statistics

NOAA's National Weather Service
      5241 NE 122nd Avenue
      Portland, OR 97230
Phone: 503.326.2340
Weather Line: 503.261-9246, -9247

Webmaster's email:
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