Climate Summary for December
Station: Philadelphia/Mt Holly WFO (286964) State: New Jersey Period of Record: 12/1993-12/2023 (# of years included = 31) Normals Period: 1991-2020 Temperature Precipitation EXTREMES EXTREMES Greatest Daily Greatest | Cumulative Chance Chance Day Normal Normal | Highest Yr Lowest Yr Highest Yr Lowest Yr || amount snowfall | normal >=.01" >=.1" Max (F) Min (F) | Max (F) Max (F) Min (F) Min (F) || Inches Yr Inches Yr | precip(in) precip snow 1 48 30 | 72 2006* 38 1995 58 2001 22 1999 || 1.31 2020 0.0 2021* | 0.14 0.42 0.00 2 48 30 | 73 2006 35 1999 51 2015 22 2022* || 1.49 1996 0.5 2007 | 0.28 0.35 0.03 3 48 30 | 66 2009 36 2000 49 2018 15 2000 || 1.15 2007 0.0 2020* | 0.42 0.26 0.00 4 48 30 | 68 1998 27 2002 47 2012 15 2000 || 0.53 2022 2.0 2005 | 0.57 0.16 0.03 5 47 30 | 72 1998 32 2002 52 2012 15 2002 || 1.19 1993 0.7 2002 | 0.71 0.29 0.06 6 47 30 | 70 2001* 30 2002 50 1994 17 2007 || 1.21 1993 7.5 2002 | 0.86 0.58 0.16 7 46 29 | 71 2001 27 2003 59 2011 7 2002 || 1.30 2014 1.3 2003 | 1.01 0.39 0.06 8 46 29 | 73 1998 30 2003 48 1998 7 2002 || 2.16 2011 0.0 2023* | 1.16 0.26 0.00 9 46 29 | 60 2004 28 2008 45 2012 17 2019* || 1.44 2014 5.7 2013 | 1.31 0.35 0.10 10 46 29 | 61 2008 26 2002 42 2019* 12 2002 || 1.09 2019 4.8 2017 | 1.46 0.42 0.10 11 45 29 | 67 2008 21 1995 47 2004 13 1995 || 2.22 2023 2.0 2013 | 1.62 0.52 0.13 12 45 28 | 67 2021 22 1995 42 2021 15 1995 || 2.83 2008 0.0 2023* | 1.77 0.52 0.00 13 45 28 | 70 2015 26 1995 45 1996 15 2013* || 0.67 2010 0.0 2023* | 1.92 0.19 0.00 14 44 28 | 70 2015 26 2005* 49 2015 12 2005 || 1.54 1996 1.0 2017 | 2.07 0.42 0.06 15 44 28 | 70 2015 22 2005 54 2015 12 2005 || 0.93 2003 1.4 2003 | 2.22 0.45 0.10 16 44 28 | 68 2008 24 2016 47 2015 13 2016 || 1.69 2022 2.5 2017 | 2.37 0.32 0.03 17 43 27 | 66 2000 27 2010 48 2021 14 2016 || 1.11 2019 6.1 2020 | 2.52 0.52 0.16 18 43 27 | 65 2000 33 2013* 49 2023 16 2010 || 2.76 2023 0.1 2020 | 2.66 0.42 0.03 19 43 27 | 67 2006 31 2009 40 1996 14 2020 || 0.54 2023 0.5 2009 | 2.81 0.32 0.10 20 43 27 | 59 2002 24 2009 34 2017 9 2004 || 1.29 2009 16.1 2009 | 2.95 0.23 0.13 21 42 27 | 63 2018 19 2004 40 1998 8 2004 || 1.43 2012 0.6 1995 | 3.09 0.26 0.03 22 42 26 | 68 2013 29 1995 50 2013 12 2004 || 0.31 2018 0.5 2000 | 3.22 0.35 0.03 23 42 26 | 71 2013 25 2008 60 2013 9 2000 || 1.46 2011 0.3 2000 | 3.35 0.42 0.03 24 42 26 | 67 2015 25 1998 54 2015 2 2000 || 0.86 2015 2.4 1998 | 3.47 0.42 0.06 25 41 26 | 70 2015 17 2022 60 2015 4 2022 || 1.27 2020 0.3 2012 | 3.59 0.42 0.03 26 41 26 | 66 2015 21 2000 52 2015 8 1998 || 1.22 2002 1.1 2002 | 3.71 0.26 0.03 27 41 26 | 57 2016 23 1993 48 2015 11 1998 || 1.59 2012 12.9 2010 | 3.83 0.29 0.06 28 41 25 | 64 2015 21 1993 43 2023 10 2004 || 1.48 2023 1.0 1997 | 3.95 0.32 0.03 29 40 25 | 67 2008 19 2017 46 2018 10 2004 || 1.24 2018 0.1 1999 | 4.07 0.26 0.03 30 40 25 | 56 1996 22 2017 43 2015 11 2017 || 1.43 1997 4.0 2000 | 4.19 0.45 0.06 31 40 25 | 62 2022 24 1993 43 2021* 9 1993 || 0.51 2007 3.0 2000 | 4.31 0.29 0.10 * - Asterisk indicates that the record was also reached in previous years.