Almanac for November 21, 2009
Temperature & precipitation
Key: T = Trace of precipitation; MM = data not available
| Actual | Normal | Record | Last year | |
|---|---|---|---|---|
| Today | ||||
| High temperature | -- | 44° | 72° (1913) | 45° |
| Low temperature | -- | 30° | 1° (1880) | 33° |
| Yesterday | ||||
| High temperature | 54° | 45° | 68° (1930) | 36° |
| Low temperature | 42° | 30° | 8° (1873) | 22° |
| Precipitation | Trace " | 0.10 " | 1.23 " ( 1970 ) | Trace " |
| Month-to-date precip. | 0.30 " | 2.01 " | -- | 1.00 " |
| Year-to-date precip. | 38.91 " | 32.84 " | -- | 44.28 " |
Degree Days
| Yesterday | Normal | |
|---|---|---|
| Heating Degree Days | 17 | 27 |
| Month to date heating degree days | 346 | 464 |
| Since 1 July heating degree days | 916 | 992 |
| Cooling Degree Days | 0 | 0 |
| Month to date cooling degree days | 0 | 0 |
| Year to date cooling degree days | 589 | 830 |
Sun & moon
| Sunrise | 6:47 AM | Moonrise | 10:55 AM | |
| Sunset | 4:25 PM | Moonset | 8:38 PM |
Upcoming moon phases:
 First Qtr November 24, 2009 |
 Full December 2, 2009 |
 Last Qtr December 8, 2009 |
 New December 16, 2009 |
Air pollution
EPA forecast for: Chicago
| Current | Air Quality: Moderate | Pollutant: PM2.5 |
| Current | Air Quality: Good | Pollutant: OZONE |
 | ||
| Sat | Air Quality: Moderate | Pollutant: PM2.5 |
| Sun | Air Quality: Moderate | Pollutant: PM2.5 |
| Mon | Air Quality: Moderate | Pollutant: PM2.5 |
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