| 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 | 23 | 82 | 59 | 33 | 37.8 | 61.5 | 49.7 | 0.91 | 4.00 | 0.57 | 3.00 |
| 2011 | 20 | 83 | 57 | 29 | 38.8 | 65.8 | 52.3 | 1.54 | 6.00 | 0.96 | 5.00 |
| 2010 | 28 | 78 | 54 | 40 | 43.0 | 63.8 | 53.4 | 0.72 | 0.00 | 0.22 | 0.00 |
| 2009 | 14 | 78 | 54 | 23 | 30.7 | 52.1 | 41.4 | 3.52 | 29.00 | 0.92 | 22.00 |
| 2008 | 25 | 78 | 54 | 38 | 39.8 | 62.0 | 50.9 | 1.06 | 0.00 | 0.30 | 0.00 |
| 2007 | 28 | 81 | 55 | 41 | 41.1 | 65.8 | 53.5 | 1.57 | 1.00 | 0.60 | 1.00 |
| 2006 | 21 | 80 | 55 | 39 | 37.3 | 61.4 | 49.3 | 2.75 | 11.00 | 1.15 | 4.00 |
| 2005 | 27 | 82 | 59 | 36 | 39.8 | 62.6 | 51.2 | 2.27 | 0.00 | 1.45 | 0.00 |
| 2004 | 32 | 74 | 47 | 46 | 40.2 | 62.4 | 51.3 | 2.38 | 0.00 | 1.03 | 0.00 |
| 2003 | 22 | 84 | 58 | 28 | 43.8 | 69.6 | 56.7 | 0.18 | 0.00 | 0.10 | 0.00 |
| 2002 | 13 | 77 | 53 | 19 | 34.4 | 57.0 | 45.7 | 1.71 | 3.00 | 0.85 | 2.00 |
| 2001 | 26 | 80 | 53 | 45 | 38.5 | 63.9 | 51.3 | 0.40 | 0.00 | 0.40 | 0.00 |
| 2000 | 29 | 82 | 59 | 35 | 39.5 | 61.1 | 50.3 | 0.81 | 0.00 | 0.38 | 0.00 |
| 1999 | 18 | 82 | 51 | 32 | 39.1 | 65.6 | 52.2 | 1.05 | 5.00 | 0.54 | 3.00 |
| 1998 | 32 | 78 | 51 | 43 | 39.6 | 62.7 | 51.2 | 1.60 | 0.00 | 0.61 | 0.00 |
| 1997 | 13 | 86 | 58 | 27 | 40.4 | 64.2 | 52.3 | 2.65 | 18.00 | 1.27 | 14.00 |
| 1996 | 0.53 | 0.00 | 0.29 | 0.00 | |||||||
| 1995 | 0.23 | 2.00 | 0.23 | 2.00 | |||||||
| 1994 | 0.64 | 0.00 | 0.24 | 0.00 | |||||||
| 1993 | 1.54 | 5.00 | 0.71 | 5.00 | |||||||
| 1992 | 0.66 | 0.00 | 0.44 | 0.00 | |||||||
| 1991 | 0.77 | 7.50 | 0.23 | 4.50 | |||||||
| 1990 | 0.66 | 4.50 | 0.37 | 3.50 | |||||||
| 1989 | 0.67 | 6.50 | 0.42 | 3.50 | |||||||
| 1988 | 0.18 | 0.00 | 0.18 | 0.00 | |||||||
| 1987 | 1.30 | 0.00 | 0.58 | 0.00 | |||||||
| 1986 | 2.20 | 1.00 | 0.54 | 1.00 | |||||||
| 1985 | 0.34 | 1.50 | 0.12 | 1.00 | |||||||
| 1984 | 3.79 | 11.50 | 1.04 | 10.50 | |||||||
| 1983 | 0.27 | 0.00 | 0.13 | 0.00 | |||||||
| 1982 | 1.18 | 0.50 | 0.28 | 0.50 | |||||||
| 1981 | 1.27 | 3.50 | 0.51 | 2.50 | |||||||
| 1980 | 0.24 | 1.00 | 0.14 | 1.00 | |||||||
| 1979 | 1.26 | 3.00 | 0.63 | 3.00 | |||||||
| 1978 | 1.81 | 4.50 | 1.31 | 2.50 |
| 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 | |