| 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 | 47 | 102 | 71 | 72 | 59.0 | 87.7 | 73.3 | 0.18 | 0.00 | 0.05 | 0.00 |
| 2011 | 47 | 95 | 65 | 65 | 54.2 | 82.1 | 68.2 | 1.80 | 0.00 | 1.65 | 0.00 |
| 2010 | 45 | 95 | 68 | 51 | 54.8 | 80.2 | 67.5 | 1.92 | 0.00 | 1.05 | 0.00 |
| 2009 | 43 | 90 | 61 | 47 | 51.4 | 74.4 | 62.9 | 2.93 | 0.00 | 0.96 | 0.00 |
| 2008 | 45 | 89 | 63 | 61 | 53.1 | 80.1 | 66.6 | 0.86 | 0.00 | 0.70 | 0.00 |
| 2007 | 38 | 97 | 64 | 63 | 54.5 | 80.9 | 67.7 | 0.38 | 0.00 | 0.38 | 0.00 |
| 2006 | 48 | 96 | 68 | 70 | 57.7 | 85.1 | 71.4 | 0.47 | 0.00 | 0.22 | 0.00 |
| 2005 | 42 | 91 | 69 | 59 | 54.0 | 79.2 | 66.6 | 2.03 | 0.00 | 0.49 | 0.00 |
| 2004 | 41 | 96 | 70 | 52 | 51.3 | 74.8 | 63.0 | 3.23 | 0.00 | 1.23 | 0.00 |
| 2003 | 40 | 87 | 57 | 55 | 50.2 | 74.4 | 62.3 | 1.54 | 0.00 | 0.51 | 0.00 |
| 2002 | 44 | 96 | 69 | 60 | 57.2 | 85.8 | 71.5 | 0.45 | 0.00 | 0.40 | 0.00 |
| 2001 | 40 | 95 | 67 | 59 | 55.5 | 82.4 | 68.9 | 1.19 | 0.00 | 0.42 | 0.00 |
| 2000 | 40 | 96 | 66 | 48 | 53.4 | 80.9 | 67.2 | 1.63 | 0.00 | 0.60 | 0.00 |
| 1999 | 44 | 90 | 62 | 60 | 51.4 | 77.5 | 64.5 | 2.51 | 0.00 | 0.79 | 0.00 |
| 1998 | 32 | 95 | 60 | 48 | 48.8 | 77.1 | 62.9 | 1.51 | 0.00 | 0.41 | 0.00 |
| 1997 | 47 | 93 | 62 | 65 | 53.4 | 81.4 | 67.4 | 2.91 | 0.00 | 1.15 | 0.00 |
| 1996 | 1.46 | 0.00 | 0.52 | 0.00 | |||||||
| 1995 | 3.85 | 0.00 | 1.00 | 0.00 | |||||||
| 1994 | 1.15 | 0.00 | 0.72 | 0.00 | |||||||
| 1993 | 1.81 | 0.00 | 1.35 | 0.00 | |||||||
| 1992 | 1.90 | 0.00 | 0.68 | 0.00 | |||||||
| 1991 | 3.36 | 0.00 | 1.52 | 0.00 | |||||||
| 1990 | 0.22 | 0.00 | 0.22 | 0.00 | |||||||
| 1989 | 2.93 | 0.00 | 0.85 | 0.00 | |||||||
| 1988 | 1.44 | 0.00 | 0.70 | 0.00 | |||||||
| 1987 | 5.17 | 0.00 | 2.21 | 0.00 | |||||||
| 1986 | 2.67 | 0.00 | 0.77 | 0.00 | |||||||
| 1985 | 1.79 | 0.00 | 1.00 | 0.00 | |||||||
| 1984 | 2.03 | 0.00 | 1.20 | 0.00 | |||||||
| 1983 | 3.94 | 0.00 | 1.28 | 0.00 | |||||||
| 1982 | 1.52 | 0.00 | 0.74 | 0.00 | |||||||
| 1981 | 0.44 | 0.00 | 0.22 | 0.00 | |||||||
| 1980 | 0.54 | 0.00 | 0.35 | 0.00 | |||||||
| 1979 | 3.31 | 0.00 | 2.09 | 0.00 | |||||||
| 1978 | 38 | 91 | 63 | 44 | 53.6 | 76.8 | 65.2 | 1.50 | 0.00 | 0.60 | 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 | |