GreatPlacesToRetire |
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Half Moon Bay Air Quality San Mateo County |
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. | Good Days | Moderate Days | Unhealthy for Sensitive Persons Days | Unhealthy Days | Very Unhealthy Days |
2017 | 294 | 64 | 4 | 3 | 0 |
2016 | 302 | 63 | 0 | 0 | 0 |
2015 | 327 | 37 | 1 | 0 | 0 |
2014 | 321 | 44 | 0 | 0 | 0 |
2013 | 261 | 101 | 3 | 0 | 0 |
Half Moon Bay Water Quality San Francisco Coastal South Watershed |
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. | % Good | % Threatened | % Impaired |
2014 | na | na | na |
2012 | 0 | 0 | 100 |
2010 | na | na | na |
2008 | na | na | na |
2006 | na | na | na |
2004 | 8 | 13 | 79 |
2002 | 8 | 13 | 79 |
Half Moon Bay Recreation |
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. | # of Parks | # of Parks (99 City Avg) |
National Parks, Historic Sites, etc. (managed by National Park Service) |
Alcatraz Island, Golden Gate National Recreation Area plus 13 more | 7 |
National Campgrounds, Lodges, etc. (other federal agency-managed sites) |
3 | 26 |
State Parks, Sites, etc. | 63 | 11 |
Half Moon Bay Climate (1971-2000) |
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. | . | 99 City Avg | January - Avg Low Temp | 43 F | 27 F |
January - Avg Daily Temp | 51 F | 37 F |
July - Avg Daily Temp | 58 F | 74 F |
July - Avg High Temp | 65 F | 86 F |
Avg Annual Precipitation | 28 in | 35 in |
Half Moon Bay Elevation | |
16 feet | GPTR 99 City Average 1,652 feet |
Half Moon Bay Natural Hazards |
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. | Risk Level | 99 City Average |
Total Hazard Risk | Higher | Moderate |
Earthquake | 80% | 10.9% |
Tsunami | Risk | No Risk |
Hurricane | 0 | 10 |
Flood | Very High | Very High |
Tornado | Very Low | Low |
Volcano | Low Ash Fall | No Risk |
Wildfire | Low | Low |
Half Moon Bay Man-Made Hazards (Nuclear) |
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Nuclear Power Stations (# Reactors) |
Distance from City | GPTR 99 City Average |
Diablo Canyon (2) | 170 miles | 50% of cities are within 100 miles of at least one nuclear station |
Half Moon Bay Heating and Cooling Degree Days (avg annual) |
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. | . | 99 City Avg |
Total Degree Days | 3,765 | 5,915 |
HDD | 3,754 | 4,662 |
CDD | 11 | 1,253 |
Legend: Small green circles (older style maps) or multi-colored circles (newer style maps: click here for legend) indicate 1)Superfund Sites 2)Federal Facilities 3)RCRA Corrective Action Sites and 4)Brownfields Properties (EPA hazardous material cleanup sites defined at Environment link)
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