| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 58 | 97 | 67 | 72 | 63.3 | 90.2 | 76.7 | 1.93 | 0.00 | 0.82 | 0.00 |
| 2011 | 54 | 99 | 68 | 80 | 61.5 | 88.5 | 75.0 | 3.83 | 0.00 | 0.57 | 0.00 |
| 2010 | 50 | 98 | 67 | 61 | 59.5 | 85.5 | 72.5 | 1.61 | 0.00 | 0.78 | 0.00 |
| 2009 | 47 | 93 | 63 | 66 | 56.8 | 81.8 | 69.3 | 2.02 | 0.00 | 0.40 | 0.00 |
| 2008 | 54 | 95 | 68 | 79 | 61.5 | 88.8 | 75.1 | 0.10 | 0.00 | 0.08 | 0.00 |
| 2007 | 56 | 96 | 68 | 77 | 62.0 | 88.1 | 75.0 | 0.64 | 0.00 | 0.36 | 0.00 |
| 2006 | 52 | 99 | 72 | 58 | 62.3 | 86.0 | 74.2 | 2.34 | 0.00 | 1.50 | 0.00 |
| 2005 | 52 | 100 | 73 | 63 | 62.5 | 90.0 | 76.2 | 0.54 | 0.00 | 0.52 | 0.00 |
| 2004 | 48 | 99 | 66 | 57 | 57.9 | 82.9 | 70.4 | 2.14 | 0.00 | 0.81 | 0.00 |
| 2003 | 58 | 101 | 73 | 81 | 64.2 | 92.1 | 78.2 | 0.61 | 0.00 | 0.25 | 0.00 |
| 2002 | 57 | 97 | 71 | 78 | 63.7 | 91.7 | 77.7 | 0.58 | 0.00 | 0.18 | 0.00 |
| 2001 | 56 | 98 | 75 | 79 | 63.0 | 89.5 | 76.2 | 2.35 | 0.00 | 1.05 | 0.00 |
| 2000 | 54 | 100 | 68 | 76 | 61.3 | 89.7 | 75.4 | 4.47 | 0.00 | 3.72 | 0.00 |
| 1999 | 52 | 95 | 72 | 73 | 60.8 | 87.1 | 73.9 | 3.47 | 0.00 | 0.69 | 0.00 |
| 1998 | 54 | 100 | 72 | 67 | 60.9 | 85.4 | 73.2 | 2.16 | 0.00 | 0.53 | 0.00 |
| 1997 | 49 | 98 | 66 | 71 | 57.9 | 88.0 | 72.9 | 1.80 | 0.00 | 0.73 | 0.00 |
| 1996 | 0.89 | 0.00 | 0.29 | 0.00 | |||||||
| 1995 | 0.70 | 0.00 | 0.25 | 0.00 | |||||||
| 1994 | 0.60 | 0.00 | 0.15 | 0.00 | |||||||
| 1993 | 0.85 | 0.00 | 0.25 | 0.00 | |||||||
| 1992 | 1.14 | 0.00 | 0.18 | 0.00 | |||||||
| 1991 | 2.82 | 0.00 | 0.82 | 0.00 | |||||||
| 1990 | 2.72 | 0.00 | 0.80 | 0.00 | |||||||
| 1989 | 1.86 | 0.00 | 0.69 | 0.00 | |||||||
| 1988 | 1.21 | 0.00 | 0.42 | 0.00 | |||||||
| 1987 | 0.58 | 0.00 | 0.22 | 0.00 | |||||||
| 1986 | 1.33 | 0.00 | 0.45 | 0.00 | |||||||
| 1985 | 1.54 | 0.00 | 0.42 | 0.00 | |||||||
| 1984 | 1.84 | 0.00 | 0.42 | 0.00 | |||||||
| 1983 | 2.17 | 0.00 | 0.75 | 0.00 | |||||||
| 1982 | 2.14 | 0.00 | 0.60 | 0.00 | |||||||
| 1981 | 1.74 | 0.00 | 0.25 | 0.00 | |||||||
| 1980 | 2.06 | 0.00 | 0.45 | 0.00 | |||||||
| 1979 | 0.43 | 0.00 | 0.15 | 0.00 | |||||||
| 1978 | 50 | 94 | 72 | 68 | 59.8 | 86.1 | 73.0 | 0.61 | 0.00 | 0.35 | 0.00 |
| 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 | |