| 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 | 9 | 59 | 33 | 25 | 20.6 | 41.6 | 31.1 | 1.56 | 17.40 | 0.60 | 8.00 |
| 2012 | 6 | 59 | 32 | 18 | 19.3 | 39.9 | 29.6 | 2.78 | 25.00 | 1.84 | 14.00 |
| 2011 | -17 | 63 | 38 | -1 | 15.0 | 39.7 | 27.3 | 1.56 | 15.00 | 0.81 | 8.00 |
| 2010 | 0 | 48 | 33 | 20 | 17.6 | 37.3 | 27.4 | 1.16 | 11.20 | 0.33 | 3.00 |
| 2009 | 11 | 66 | 40 | 28 | 27.3 | 49.8 | 38.5 | 0.29 | 3.00 | 0.23 | 2.00 |
| 2008 | 7 | 63 | 31 | 23 | 22.3 | 45.4 | 33.8 | 0.62 | 7.00 | 0.36 | 4.00 |
| 2007 | -11 | 65 | 42 | 17 | 21.6 | 46.0 | 33.8 | 0.65 | 13.00 | 0.24 | 5.00 |
| 2006 | -12 | 70 | 41 | 6 | 19.6 | 41.9 | 30.8 | 0.45 | 8.00 | 0.25 | 5.00 |
| 2005 | 16 | 60 | 40 | 27 | 25.7 | 47.2 | 36.5 | 0.09 | 1.00 | 0.09 | 1.00 |
| 2004 | -5 | 68 | 39 | 23 | 21.8 | 43.4 | 32.6 | 1.31 | 16.00 | 0.46 | 5.00 |
| 2003 | -5 | 72 | 45 | 17 | 19.5 | 41.2 | 30.4 | 1.57 | 16.60 | 0.44 | 4.00 |
| 2002 | 0 | 70 | 47 | 15 | 21.8 | 47.4 | 34.6 | 0.34 | 4.00 | 0.18 | 2.00 |
| 2001 | -7 | 59 | 39 | 13 | 19.5 | 43.1 | 31.3 | 0.67 | 10.00 | 0.25 | 4.00 |
| 2000 | 16 | 65 | 41 | 30 | 28.4 | 51.8 | 40.1 | 0.42 | 3.00 | 0.42 | 3.00 |
| 1999 | 14 | 68 | 42 | 38 | 26.9 | 53.4 | 40.1 | 0.25 | 2.00 | 0.25 | 2.00 |
| 1998 | 17 | 62 | 33 | 33 | 24.7 | 45.6 | 35.2 | 0.14 | 1.00 | 0.08 | 1.00 |
| 1997 | 1.30 | 16.00 | 0.36 | 3.00 | |||||||
| 1996 | 0.19 | 2.50 | 0.09 | 2.00 | |||||||
| 1995 | 0.96 | 8.00 | 0.50 | 5.00 | |||||||
| 1994 | 0.80 | 9.00 | 0.48 | 6.00 | |||||||
| 1993 | 0.50 | 4.30 | 0.26 | 2.00 | |||||||
| 1992 | 0.00 | 0.00 | 0.00 | 0.00 | |||||||
| 1991 | 0.12 | 2.00 | 0.12 | 2.00 | |||||||
| 1990 | 0.44 | 7.00 | 0.13 | 2.50 | |||||||
| 1989 | 0.92 | 9.60 | 0.36 | 4.00 | |||||||
| 1988 | 0.80 | 13.50 | 0.40 | 7.50 | |||||||
| 1987 | 1.68 | 19.60 | 0.43 | 5.30 | |||||||
| 1986 | 1.00 | 9.50 | 0.47 | 3.00 | |||||||
| 1985 | 1.05 | 13.00 | 0.47 | 6.50 | |||||||
| 1984 | 1.36 | 22.50 | 0.64 | 8.50 | |||||||
| 1983 | 0.15 | 2.00 | 0.12 | 1.00 | |||||||
| 1982 | 0.28 | 7.50 | 0.14 | 4.00 | |||||||
| 1981 | 0.57 | 9.40 | 0.38 | 4.50 | |||||||
| 1980 | 0.54 | 11.00 | 0.28 | 7.50 | |||||||
| 1979 | 0.39 | 5.00 | 0.12 | 2.00 | |||||||
| 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 | |