| Weather Source |
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| Year | Lowest Temperature (F) | Highest Temperature (F) | Warmest Minimum Temperature (F) | Coldest Maximum Temperature (F) | Average Minimum Temperature (F) | Average Maximum Temperature (F) | Mean Temperature (F) | Total Precipitation (In) | Total Snowfall (In) | Max 24hr Precipitation (In) | Max 24hr Snowfall (In) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2 | 75 | 55 | 23 | 28.7 | 53.4 | 41.0 | 2.68 | 25.00 | 0.80 | 12.00 |
| 2012 | 28 | 83 | 57 | 36 | 38.9 | 67.3 | 53.1 | 1.32 | 2.00 | 0.53 | 1.00 |
| 2011 | 21 | 80 | 50 | 45 | 35.0 | 58.8 | 46.9 | 1.70 | 3.00 | 0.77 | 3.00 |
| 2010 | 27 | 74 | 47 | 43 | 35.0 | 59.2 | 47.1 | 3.85 | 4.00 | 1.30 | 2.00 |
| 2009 | 14 | 78 | 51 | 28 | 33.2 | 54.7 | 44.0 | 5.34 | 23.00 | 2.00 | 10.00 |
| 2008 | 17 | 79 | 51 | 41 | 32.2 | 58.2 | 45.2 | 0.90 | 4.00 | 0.31 | 3.00 |
| 2007 | 21 | 83 | 56 | 25 | 34.2 | 56.9 | 45.6 | 3.31 | 1.50 | 1.85 | 1.00 |
| 2006 | 24 | 83 | 50 | 33 | 37.9 | 65.2 | 51.5 | 0.60 | 1.00 | 0.18 | 1.00 |
| 2005 | 23 | 76 | 48 | 31 | 35.8 | 57.8 | 46.8 | 3.98 | 11.00 | 1.25 | 6.00 |
| 2004 | 24 | 78 | 50 | 36 | 36.7 | 58.6 | 47.6 | 4.26 | 9.00 | 1.08 | 5.00 |
| 2003 | 18 | 80 | 51 | 41 | 37.5 | 62.6 | 50.1 | 3.30 | 6.00 | 0.91 | 4.00 |
| 2002 | 19 | 81 | 57 | 30 | 36.8 | 65.0 | 50.9 | 0.02 | 0.00 | 0.02 | 0.00 |
| 2001 | 25 | 82 | 56 | 34 | 37.3 | 61.5 | 50.2 | 2.18 | 6.80 | 1.10 | 5.00 |
| 2000 | 19 | 77 | 51 | 35 | 35.7 | 65.2 | 50.3 | 1.33 | 2.50 | 0.47 | 2.50 |
| 1999 | 15 | 72 | 48 | 28 | 29.7 | 53.0 | 41.1 | 5.67 | 18.00 | 1.05 | 5.00 |
| 1998 | 22 | 80 | 43 | 36 | 32.5 | 55.1 | 43.8 | 4.13 | 24.80 | 1.00 | 8.00 |
| 1997 | 3 | 76 | 49 | 21 | 30.7 | 52.9 | 41.8 | 4.31 | 22.00 | 1.57 | 9.00 |
| 1996 | 1.23 | 4.50 | 0.35 | 3.00 | |||||||
| 1995 | 4.86 | 18.50 | 1.00 | 7.00 | |||||||
| 1994 | 3.35 | 19.00 | 0.90 | 7.00 | |||||||
| 1993 | 1.87 | 7.00 | 0.66 | 6.00 | |||||||
| 1992 | 0.27 | 0.00 | 0.11 | 0.00 | |||||||
| 1991 | 2.19 | 20.50 | 1.04 | 9.50 | |||||||
| 1990 | 1.99 | 2.50 | 0.74 | 1.50 | |||||||
| 1989 | 1.53 | 9.50 | 0.48 | 4.50 | |||||||
| 1988 | 0.90 | 1.00 | 0.36 | 1.00 | |||||||
| 1987 | 1.88 | 15.50 | 0.57 | 5.50 | |||||||
| 1986 | 3.53 | 17.00 | 1.88 | 14.50 | |||||||
| 1985 | 1.86 | 2.50 | 0.99 | 1.50 | |||||||
| 1984 | 3.03 | 23.00 | 1.84 | 18.00 | |||||||
| 1983 | 1.94 | 16.80 | 0.46 | 7.00 | |||||||
| 1982 | 0.40 | 1.00 | 0.13 | 1.00 | |||||||
| 1981 | 1.22 | 2.00 | 0.61 | 1.50 | |||||||
| 1980 | 3.04 | 15.00 | 1.43 | 5.00 | |||||||
| 1979 | 1.83 | 13.50 | 0.67 | 5.50 | |||||||
| 1978 |
| Station Details for: "Ralston Reservoir" (Jefferson County) View Map | |
|---|---|
| Weather Source ID | 12152 |
| National Weather Service ID (NWS) | GDNC2 |
| NWS Cooperative Observer ID (COOP) | 056816 |
| International Civil Aviation Organization ID (ICAO) | |
| World Meteorological Organization ID (WMO) | |
| Latitude: 39.8297 Longitude: -105.235 Elevation: 1798.32m (5899.982ft) | |
| Zip Code: 80402 | |