Eric Laurentius Peterson, copyright 2013, by author- e.peterson@uq.edu.au) ___________________________________________________________________________ | Analysis of Australian Climate Data Bank (ACDB) version from NIWA 2013 | | ACDB(73) station Glasshouse Mountains 10 years (2002-2011)| | BoM 40284 (WMO 95566) -26.96° latitude 152.96° longitude 48.0 m alt| | | |It is now 04-Jul-2013 06:10:26 -> computational time was 1 minutes| | OUTPUTS | | INPUTS => NEW33/73/GM_73_Table.txt (this print out)| | A: ACDB_in/NatH_CZ.csv => NEW33/73/GM_73_DB.txt (Dry Design Day)| | B: CZ0204_NatHERS_2002-2011_w.txt => NEW33/73/GM_73_WB.txt (Wet Design Day)| | C: ACDB33.m => NEW33/73/GM_73_CR.txt (Critical D Day)| | => NEW33/ACDB_Table1.txt (compare others)| |_________________________________________________________________________| ANALYSIS SUMMARY ___________________________________________________________________________ 33.5 °C Design DB = mean of 10th highest 3PM each year + (std dev * 1.61) => this Design DB was exceeded 10.2 days/year (incl std dev 4.6 days/year). 33.6 ° alternative Design DB = mean of 10th highest daily maximum each year + (1 std dev) => alternative Design DB was exceeded 9.7 days/year (incl std dev 4.5 days/year). Design drybulb changes 11.3 °C per century (linear regression R² 0.22) ~> 38.5 °C mid century. 24.4 ° Design WB = mean of 10th highest 3PM each year + (std dev * 1.94) => this Design WB was exceeded 10.2 days/year (incl std dev 4.2 days/year). 24.5 ° alternative Design WB = mean of 10th highest daily maximum each year + (1 std dev) => alternative Design WB was exceeded 9.9 days/year (incl std dev 4.4 days/year). Design wetbulb changes 9.0 °C per century (linear regression R²=0.41) ~> 28.4 °C mid century. 4.9 ° Heating DB = mean of 10th lowest 8AM each year - (std dev * 0.96) => this Heating DB was insufficient 10.0 days/year (incl std dev 4.9 days/year). 3.5 ° alternative Heating Design = mean of 10th lowest daily minimum each year - (1 std dev) => alternative Heating Design was insufficient 9.2 days/year (incl std dev 4.8 days/year). Design heating changes 41.9 °C per century (linear regression R²=0.91) ~> 21.5 °C mid century. __________________________________________________________________________ Diurnal patterns generally and coincident with design temperatures General average diurnal minimum temperature at 04:43 followed by maximum temperature at 14:24. Nighttime cooling rate 0.303 °/hr (average of all data). Diurnal pattern of days with 3PM DB ~ Design DB ~ Min at 05:12 ~ Max at 14:48 Nighttime cooling rate 0.388 °/hr from 19:52 to 06:56 (evenings following 3PM design conditions). Diurnal pattern of days with 3PM WB ~ Design WB ~ Min at 02:02 ~ Max at 15:30 Nighttime cooling rate 0.248 °/hr from 19:56 to 06:52 (evenings following 3PM design conditions). ___________________________________________________________________________ ___________________________________________________________________________ |Option 1 Dry summer | Option 2 Wet summer |Winter(8AM)| Daily | Yearly | |design DB / coinc WB | coinc DB / design WB | heating | Range | Range | | 33.5 DDB / 21.1 CWB | 28.4 CDB / 24.4 DWB | 4.9 DB |11.0 DB| 28.6 DB| |_____________________|______________________|___________|_______|________| |percentage of hourly data exceeding levels |hours below| |design DB | coinc WB | coinc DB | design WB | design DB | | 0.17 % | 6.87 % | 2.69 % | 0.21 % | 0.60 % | |__________|__________|__________|___________|___________| |design DB & coinc WB | coinc DB % design WB | | 6.94 % | 2.76 % | |_____________________|______________________| | design DB concurrent with design WB | | 0.36 % | |____________________________________________| Coincident from 3PM DB within degree of DDB (n=36) _______________________________________________________ | dGHI | DBmax | DBmin | DBrng | HmaxDB | HminDB | | 7855| 33.9| 18.7| 15.2| 14:48| 05:12| |+/- 911|+/- 0.8|+/- 3.3|+/- 3.4|+/-00:54|+/-01:60| +/- standard deviation |________|________|________|________|________|________| Coincident from 3PM WB within degree of DWB (n=72) _______________________________________________________ | dGHI | WBmax | WBmin | WBrng | HmaxWB | HminWB | | 6821| 24.4| 19.4| 5.1| 15:30| 02:02| |+/- 1575|+/- 0.6|+/- 1.7|+/- 1.6|+/-01:48|+/-06:24| +/- standard deviation |________|________|_______|_________|________|________| AIRAH critical design excludes 0.25 % extremes (24 hours and 8AM-6PM) _________________________________________________ _________________________ | Critical Cooling || Critical Heating | | 24 hour | 8AM-6PM || 24 hour | 8AM-6PM | | DB / WB | DB / WB || DB | DB | | 32.8 / 24.3 | 34.0 / 24.8 || 3.8 | 9.4 | |________________________________________________||_______________________| ASHRAE design temperatures exclude 0.4% 1% and 2% of hours. ___________________________________________________________ | design DB / coinc WB | coinc DB / design WB | heating | | 32.0 DDB / 21.3 CWB | 28.0 CDB / 24.0 DWB | 4.5 DB | 0.4 % | 30.4 DDB / 21.0 CWB | 26.8 CDB / 23.2 DWB | 5.7 DB | 1.0 % | 29.0 DDB / 20.6 CWB | 26.1 CDB / 22.6 DWB | 6.6 DB | 2.0 % |_________________________________________________________| Degree day base temps 15 °C, 18 °C, 24 °C, and 27 °C. ____________________________________________________ |Heating DD15|Heating DD18|Cooling DD24|Cooling DD27| | 383 | 787 | 136 | 38 | mean annual degrees days |+/- 132 |+/- 226 |+/- 71 |+/- 24 | +/- standard deviation |____________|____________|____________|____________| Cooling degree hour base temps 21 °C, 24 °C & 27 °C. _____________________________________________________ | Cooling | Cooling | Non-Evaporative Cooling | |DegHr base24|DegHr base27|WB DH base21|WB DH base24| | 3270 | 915 | 750 | 26 | mean annual degrees hours |+/- 1711 |+/- 575 |+/- 325 |+/- 31 | +/- standard deviation |____________|____________|____________|____________| Average cooling and heating degree hours (D-Hr) tabulated by month _________________________________________________________________________ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 22.4| 22.3| 20.5| 18.3| 15.6| 13.8| 13.0| 13.9| 16.4| 18.3| 19.8| 21.4| Average Temperature (DB) | 1.6| 1.6| 1.6| 1.5| 1.1| 1.2| 1.3| 1.5| 1.7| 1.3| 2.2| 2.0| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 43| 9| 80| 330| 1051| 1609| 2168| 1968| 1052| 523| 270| 95| HD-Hr base 15 °C | 58| 15| 88| 237| 417| 514| 686| 533| 524| 322| 268| 142| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 214| 142| 439| 1058| 2302| 3073| 3733| 3383| 2089| 1296| 779| 374| HD-Hr base 18 °C | 243| 144| 357| 527| 582| 690| 805| 704| 780| 537| 570| 391| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 701| 617| 328| 134| 19| 3| 4| 52| 147| 274| 391| 601| CD-Hr base 24 °C | 367| 330| 242| 117| 16| 4| 6| 124| 112| 141| 358| 435| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 199| 184| 74| 16| 0| 0| 0| 17| 33| 77| 119| 196| CD-Hr base 27 °C | 159| 126| 80| 23| 1| 0| 0| 49| 35| 59| 136| 181| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 282| 247| 67| 10| 0| 0| 0| 0| 0| 5| 20| 120| NECD-Hr base 21 °C | 125| 185| 64| 16| 0| 0| 0| 0| 0| 7| 29| 93| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 9| 14| 1| 0| 0| 0| 0| 0| 0| 0| 0| 2| NECD-Hr base 24 °C | 14| 28| 2| 0| 0| 0| 0| 0| 0| 0| 0| 4| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 19.6| 19.7| 18.0| 15.9| 12.7| 11.2| 9.7| 10.3| 12.6| 14.9| 16.7| 18.3| Average Wet Bulb Temp (WB) | 1.1| 0.9| 1.1| 1.2| 1.1| 1.1| 1.5| 1.1| 1.3| 0.9| 1.4| 1.4| +/- standard deviation |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| Dry Design Day => 3.23% from hour/month bins _________________________________________________________________________ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 33.5| 33.7| 32.0| 28.3| 26.5| 24.3| 24.0| 27.0| 30.1| 32.6| 33.4| 34.0| Maximum Temperature (DB) |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 32.5| 33.3| 31.4| 28.7| 26.4| 24.1| 24.1| 28.0| 30.0| 32.3| 32.2| 33.8| Design maximum DB | 23.1| 23.6| 22.1| 20.3| 16.5| 15.8| 15.5| 15.8| 17.5| 19.3| 21.2| 22.8| Design minimum DB |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 13.7| 15.0| 12.4| 9.6| 6.8| 3.8| 3.3| 3.5| 6.0| 6.9| 9.4| 11.9| Minimum Temperature (DB) |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| Wet Design Day => 5.32% from hour/month bins _________________________________________________________________________ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 24.9| 24.8| 23.4| 21.4| 18.8| 18.5| 17.0| 17.6| 19.6| 21.4| 22.2| 24.2| Maximum Temperature (WB) |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 24.0| 24.5| 22.7| 21.0| 18.3| 17.9| 16.0| 16.9| 19.2| 20.6| 21.9| 23.6| Design maximum WB | 21.6| 21.4| 20.2| 18.4| 15.2| 14.7| 13.0| 13.2| 15.6| 16.9| 18.6| 20.7| Design minimum WB |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____| | 11.8| 13.4| 11.3| 8.7| 4.8| 2.6| 2.4| 2.5| 4.8| 5.6| 8.3| 10.7| Minimum Temperature (WB) |_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|