| 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 | -1 | 62 | 41 | 14 | 20.7 | 43.8 | 32.3 | 0.50 | 4.20 | 0.50 | 4.00 |
| 2012 | 1 | 65 | 47 | 26 | 25.3 | 47.6 | 36.4 | 0.69 | 5.00 | 0.48 | 2.00 |
| 2011 | -3 | 65 | 42 | 16 | 21.1 | 43.4 | 32.3 | 0.55 | 7.00 | 0.43 | 6.00 |
| 2010 | -5 | 57 | 37 | 16 | 22.6 | 43.3 | 33.0 | 0.23 | 3.00 | 0.23 | 3.00 |
| 2009 | -5 | 67 | 44 | 11 | 23.9 | 45.7 | 34.8 | 1.17 | 8.00 | 0.48 | 3.00 |
| 2008 | -3 | 59 | 39 | 10 | 18.6 | 39.6 | 29.1 | 0.41 | 4.00 | 0.39 | 3.00 |
| 2007 | -3 | 59 | 40 | 4 | 15.1 | 36.0 | 25.6 | 1.89 | 23.10 | 0.60 | 6.00 |
| 2006 | 17 | 65 | 41 | 29 | 28.3 | 48.7 | 38.5 | 0.43 | 5.50 | 0.36 | 3.00 |
| 2005 | 0 | 71 | 52 | 23 | 25.2 | 48.6 | 36.9 | 1.34 | 14.00 | 0.54 | 6.00 |
| 2004 | -6 | 62 | 38 | 19 | 23.6 | 46.5 | 35.0 | 0.49 | 8.00 | 0.21 | 4.00 |
| 2003 | 13 | 69 | 43 | 32 | 28.1 | 51.4 | 39.8 | 0.06 | 0.00 | 0.06 | 0.00 |
| 2002 | 1 | 63 | 47 | 23 | 20.8 | 44.0 | 32.4 | 0.60 | 11.00 | 0.22 | 5.00 |
| 2001 | 5 | 66 | 39 | 21 | 21.7 | 43.2 | 32.5 | 0.55 | 9.00 | 0.34 | 7.00 |
| 2000 | 13 | 63 | 38 | 32 | 24.6 | 47.8 | 36.2 | 0.74 | 4.00 | 0.63 | 3.00 |
| 1999 | 4 | 60 | 42 | 7 | 24.2 | 45.3 | 34.7 | 0.60 | 9.00 | 0.33 | 4.00 |
| 1998 | 5 | 63 | 38 | 31 | 24.4 | 48.5 | 36.4 | 0.85 | 8.00 | 0.82 | 8.00 |
| 1997 | 0.52 | 9.00 | 0.13 | 4.00 | |||||||
| 1996 | 0.95 | 16.00 | 0.25 | 4.00 | |||||||
| 1995 | 0.46 | 8.00 | 0.41 | 7.00 | |||||||
| 1994 | 0.47 | 3.00 | 0.21 | 2.00 | |||||||
| 1993 | 0.14 | 2.30 | 0.11 | 2.00 | |||||||
| 1992 | 0.69 | 9.50 | 0.19 | 3.00 | |||||||
| 1991 | 0.80 | 13.50 | 0.31 | 4.00 | |||||||
| 1990 | 0.46 | 5.50 | 0.37 | 5.00 | |||||||
| 1989 | 1.16 | 18.00 | 0.49 | 7.50 | |||||||
| 1988 | 0.47 | 5.60 | 0.43 | 5.00 | |||||||
| 1987 | 0.92 | 20.00 | 0.24 | 8.50 | |||||||
| 1986 | |||||||||||
| 1985 | 0.61 | 12.80 | 0.15 | 4.50 | |||||||
| 1984 | 0.18 | 3.30 | 0.07 | 1.50 | |||||||
| 1983 | 0.06 | 0.00 | 0.03 | 0.00 | |||||||
| 1982 | 0.28 | 5.00 | 0.16 | 3.00 | |||||||
| 1981 | 0.08 | 2.00 | 0.08 | 2.00 | |||||||
| 1980 | 0.61 | 11.00 | 0.27 | 5.50 | |||||||
| 1979 | 0.68 | 17.00 | 0.30 | 6.50 | |||||||
| 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 | |