State of Climate Adaptation
TOWN OF GOLDEN
APPENDIX OF CLIMATE DATA

FEBRUARY 2020

Table of Contents
Figure A-1: Historical and projected average annual temperature ..................................................................................... 2
Figure A-2: Historical and projected average spring temperature ...................................................................................... 2
Figure A-3: Historical and projected average summer temperature ................................................................................... 3
Figure A-4: Historical and projected average fall temperature ........................................................................................... 3
Figure A-5: Historical and projected average winter temperature ...................................................................................... 3
Figure A-6: Historical and projected annual number of days over 30 o C .......................................................................... 4
Figure A-7: Historical and projected number of summer days over 30o C ....................................................................... 4
Figure A-8: Historical and projected annual number of days with maximum temperature over 90th percentile in the
1961-1990 period ................................................................................................................................................................ 4
Figure A-9: Historical and projected number of summer days with maximum temperature over 90th percentile in the
961-1990 period .................................................................................................................................................................. 5
Figure A-10: Historical and projected annual number of daily freeze-thaw cycles ............................................................ 5
Figure A-11: Historical and projected number of daily freeze-thaw cycles in winter ........................................................ 5
Figure A-12: Historical and projected growing season length ............................................................................................ 6
Figure A-13: Historical and projected growing degree days .............................................................................................. 6
Figure A-14: Historical and projected total annual precipitation ........................................................................................ 6
Figure A-15: Historical and projected total spring precipitation ........................................................................................ 7
Figure A-16: Historical and projected total summer precipitation ..................................................................................... 7
Figure A-17: Historical and projected total fall precipitation ............................................................................................. 7
Figure A-18: Historical and projected total winter precipitation ........................................................................................ 8
Figure A-19: Historical and projected maximum 1-day precipitation ................................................................................ 8
Figure A-20: Historical and projected maximum dry spell length...................................................................................... 8
Figure A-21: Historical and projected annual precipitation above the 95th percentile in the 1961-1990 period ................ 9
Figure A-22: Historical and projected number of days of precipitation above the 95th percentile in the 1961-1990 period
............................................................................................................................................................................................ 9

1

Figure A-1: Historical and
projected average annual
temperature

Figure A-2: Historical and
projected average spring
temperature

2

Figure A-3: Historical and
projected average summer
temperature

Figure A-4: Historical and
projected average fall
temperature

Figure A-5: Historical and
projected average winter
temperature

3

Figure A-6: Historical and
projected annual number of days
over 30 o C

Figure A-7: Historical and
projected number of summer
days over 30o C

Figure A-8: Historical and
projected annual number of days
with maximum temperature over
90th percentile in the 1961-1990
period

4

Figure A-9: Historical and
projected number of summer
days with maximum temperature
over 90th percentile in the 9611990 period

Figure A-10: Historical and
projected annual number of daily
freeze-thaw cycles

Figure A-11: Historical and
projected number of daily freezethaw cycles in winter

5

Figure A-12: Historical and
projected growing season length

Figure A-13: Historical and
projected growing degree days

Figure A-14: Historical and
projected total annual
precipitation

6

Figure A-15: Historical and
projected total spring
precipitation

Figure A-16: Historical and
projected total summer
precipitation

Figure A-17: Historical and
projected total fall precipitation

7

Figure A-18: Historical and
projected total winter
precipitation

Figure A-19: Historical and
projected maximum 1-day
precipitation

Figure A-20: Historical and
projected maximum dry spell
length

8

Figure A-21: Historical and
projected annual precipitation
above the 95th percentile in the
1961-1990 period

Figure A-22: Historical and
projected number of days of
precipitation above the 95th
percentile in the 1961-1990
period

9