| 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 | 48 | 91 | 64 | 53 | 54.1 | 80.5 | 67.3 | 0.39 | 0.00 | 0.37 | 0.00 |
| 2011 | 37 | 95 | 65 | 55 | 50.2 | 76.7 | 63.5 | 2.23 | 0.00 | 1.33 | 0.00 |
| 2010 | 44 | 91 | 69 | 65 | 52.2 | 78.9 | 65.5 | 0.05 | 0.00 | 0.05 | 0.00 |
| 2009 | 36 | 85 | 62 | 45 | 48.8 | 72.9 | 60.9 | 0.79 | 0.00 | 0.35 | 0.00 |
| 2008 | 41 | 86 | 59 | 49 | 47.9 | 71.7 | 59.8 | 1.82 | 0.00 | 1.08 | 0.00 |
| 2007 | 39 | 86 | 64 | 53 | 50.9 | 76.7 | 63.8 | 0.74 | 0.00 | 0.67 | 0.00 |
| 2006 | 33 | 84 | 54 | 49 | 45.2 | 69.0 | 57.1 | 0.89 | 0.00 | 0.21 | 0.00 |
| 2005 | 41 | 85 | 65 | 48 | 51.8 | 75.9 | 63.9 | 0.39 | 0.00 | 0.13 | 0.00 |
| 2004 | 37 | 87 | 62 | 41 | 51.8 | 75.0 | 63.4 | 1.38 | 0.00 | 0.68 | 0.00 |
| 2003 | 35 | 85 | 64 | 54 | 47.6 | 73.5 | 60.6 | 0.25 | 0.00 | 0.14 | 0.00 |
| 2002 | 42 | 90 | 66 | 57 | 51.4 | 75.3 | 63.3 | 2.29 | 0.00 | 1.00 | 0.00 |
| 2001 | 35 | 89 | 68 | 52 | 52.2 | 78.1 | 65.1 | 2.41 | 0.00 | 0.68 | 0.00 |
| 2000 | 29 | 91 | 62 | 37 | 49.1 | 75.3 | 62.2 | 2.00 | 5.00 | 0.75 | 5.00 |
| 1999 | 28 | 89 | 61 | 46 | 46.4 | 71.1 | 58.8 | 2.23 | 2.00 | 0.55 | 2.00 |
| 1998 | 44 | 93 | 66 | 47 | 54.1 | 81.3 | 67.7 | 1.16 | 0.00 | 0.51 | 0.00 |
| 1997 | 41 | 87 | 63 | 50 | 52.2 | 75.9 | 64.1 | 1.43 | 0.00 | 0.62 | 0.00 |
| 1996 | 3.75 | 4.00 | 1.10 | 2.50 | |||||||
| 1995 | 1.85 | 5.00 | 0.88 | 5.00 | |||||||
| 1994 | 0.52 | 2.00 | 0.33 | 2.00 | |||||||
| 1993 | 2.10 | 0.00 | 0.47 | 0.00 | |||||||
| 1992 | 0.08 | 0.00 | 0.08 | 0.00 | |||||||
| 1991 | 0.99 | 0.00 | 0.50 | 0.00 | |||||||
| 1990 | 3.03 | 0.00 | 0.92 | 0.00 | |||||||
| 1989 | 2.70 | 2.00 | 0.82 | 2.00 | |||||||
| 1988 | 1.32 | 0.00 | 1.03 | 0.00 | |||||||
| 1987 | 0.60 | 0.00 | 0.21 | 0.00 | |||||||
| 1986 | 0.70 | 0.00 | 0.21 | 0.00 | |||||||
| 1985 | 1.70 | 4.50 | 0.55 | 4.50 | |||||||
| 1984 | 0.86 | 3.50 | 0.34 | 3.50 | |||||||
| 1983 | 0.51 | 0.00 | 0.22 | 0.00 | |||||||
| 1982 | 2.67 | 0.00 | 0.96 | 0.00 | |||||||
| 1981 | 0.49 | 0.00 | 0.24 | 0.00 | |||||||
| 1980 | 1.06 | 0.00 | 0.57 | 0.00 | |||||||
| 1979 | 0.34 | 0.00 | 0.27 | 0.00 | |||||||
| 1978 | 31 | 90 | 64 | 45 | 51.1 | 77.6 | 64.4 | 0.43 | 0.00 | 0.29 | 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 | |