| 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 | |||||||||||
| 2012 | 2 | 68 | 42 | 16 | 21.9 | 44.6 | 33.3 | 0.62 | 9.00 | 0.38 | 4.00 |
| 2011 | -2 | 61 | 42 | 22 | 19.6 | 41.4 | 30.5 | 1.73 | 20.50 | 0.70 | 13.00 |
| 2010 | 1 | 63 | 39 | 25 | 24.6 | 47.6 | 36.1 | 0.36 | 6.00 | 0.31 | 5.00 |
| 2009 | -9 | 56 | 37 | 5 | 16.4 | 35.9 | 26.2 | 0.91 | 16.00 | 0.35 | 7.00 |
| 2008 | -14 | 66 | 47 | 5 | 18.0 | 40.4 | 29.2 | 1.07 | 15.00 | 0.53 | 5.00 |
| 2007 | 3 | 66 | 41 | 16 | 18.2 | 37.8 | 28.0 | 2.07 | 25.30 | 0.66 | 6.00 |
| 2006 | 4 | 65 | 42 | 21 | 23.8 | 42.9 | 33.4 | 3.08 | 39.00 | 1.52 | 24.00 |
| 2005 | -7 | 65 | 42 | 6 | 22.6 | 41.6 | 32.1 | 0.20 | 2.00 | 0.14 | 1.00 |
| 2004 | -5 | 67 | 45 | 22 | 25.7 | 46.5 | 36.1 | 0.31 | 7.00 | 0.11 | 3.00 |
| 2003 | 12 | 65 | 40 | 29 | 25.2 | 47.9 | 36.5 | 0.65 | 6.00 | 0.55 | 4.00 |
| 2002 | 11 | 64 | 41 | 28 | 26.8 | 47.0 | 36.9 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2001 | 13 | 62 | 33 | 23 | 23.4 | 45.1 | 34.3 | 0.40 | 3.00 | 0.38 | 3.00 |
| 2000 | 2 | 59 | 33 | 12 | 18.7 | 43.5 | 31.1 | 0.40 | 4.50 | 0.14 | 2.00 |
| 1999 | 12 | 66 | 44 | 28 | 26.6 | 46.3 | 36.5 | 0.87 | 9.00 | 0.41 | 5.00 |
| 1998 | -11 | 71 | 41 | 5 | 20.9 | 44.4 | 32.6 | 0.89 | 10.00 | 0.37 | 5.00 |
| 1997 | 4 | 62 | 38 | 25 | 22.1 | 43.7 | 32.9 | 0.92 | 8.00 | 0.23 | 3.00 |
| 1996 | 0.33 | 3.00 | 0.33 | 3.00 | |||||||
| 1995 | 0.09 | 2.00 | 0.06 | 2.00 | |||||||
| 1994 | 0.26 | 5.00 | 0.17 | 4.00 | |||||||
| 1993 | 0.33 | 6.00 | 0.17 | 4.00 | |||||||
| 1992 | 0.54 | 9.00 | 0.21 | 4.00 | |||||||
| 1991 | 0.02 | 0.00 | 0.02 | 0.00 | |||||||
| 1990 | 0.18 | 3.00 | 0.06 | 1.00 | |||||||
| 1989 | 1.16 | 18.00 | 0.33 | 5.00 | |||||||
| 1988 | 1.41 | 22.00 | 0.65 | 9.50 | |||||||
| 1987 | 1.81 | 32.50 | 0.76 | 15.50 | |||||||
| 1986 | 0.92 | 11.50 | 0.51 | 5.50 | |||||||
| 1985 | 0.68 | 10.00 | 0.44 | 6.50 | |||||||
| 1984 | 0.23 | 5.00 | 0.13 | 3.00 | |||||||
| 1983 | 0.73 | 14.50 | 0.21 | 4.50 | |||||||
| 1982 | 1.80 | 28.70 | 0.77 | 12.00 | |||||||
| 1981 | 0.96 | 9.30 | 0.67 | 6.00 | |||||||
| 1980 | 0.14 | 1.00 | 0.09 | 1.00 | |||||||
| 1979 | 1.34 | 25.50 | 0.53 | 11.50 | |||||||
| 1978 | 1.03 | 18.00 | 0.37 | 6.50 |
| 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 | |