Fairfield-Suisun Unified School DistrictASHRAE Level 2 Energy Audit Report
Page C www.PacWestES.com
9 EXHIBIT C: Weather Data
Please refer to the attached sheets.
C.1 Weather
C.2 ASHRAE Design Conditions
WEATHER
Fairfield-Suisun Unified School District
Location: Fairfield, CA 94534
Weather Station State WMO #Cooling
Design Temp (1%)
Hottest Month
Heating Design Temp
(99%)
Coldest Month
Travis Field AFB CA 745160 95.2 7 33.5 1
Source: ASHRAE Handbook - Fundamentals. Climatic Design Data Tables.30 Year Average Weather Data Used in Climatic Design Information.
Note: NREL TMY3 Weather Data Has Been Used For HVAC Energy Modeling & Bin Analysis Purposes.30 Year Typical Weather Data Used in TMY3 Data Sets.
PacificWest Energy Solutions Page C.1-1
2013 ASHRAE Handbook - Fundamentals (IP) © 2013 ASHRAE, Inc.
WMO#: 745160
Lat: 38.27N Long: 121.95W Elev: 72 StdP: 14.66 Time Zone: -8 (NAP) Period: 00-09 WBAN: 99999
Annual Heating and Humidification Design Conditions
99.6% 99% DP HR MCDB DP HR MCDB WS MCDB WS MCDB MCWS PCWD( a ) ( b ) ( c ) ( d ) ( e ) ( f ) ( g ) ( h ) ( i ) ( j ) ( k ) ( l ) ( m ) ( n ) ( o )
(1) 1 30.0 33.5 18.7 14.1 54.7 22.6 17.1 51.9 29.8 52.8 26.1 52.4 4.0 30 (1)
Annual Cooling, Dehumidification, and Enthalpy Design Conditions
DB MCWB DB MCWB DB MCWB WB MCDB WB MCDB WB MCDB MCWS PCWD( a ) ( b ) ( c ) ( d ) ( e ) ( f ) ( g ) ( h ) ( i ) ( j ) ( k ) ( l ) ( m ) ( n ) ( o ) ( p )
(2) 7 30.2 99.3 67.2 95.2 66.1 91.1 65.4 69.7 93.7 68.2 90.8 66.8 88.0 10.5 240 (2)
DP HR MCDB DP HR MCDB DP HR MCDB Enth MCDB Enth MCDB Enth MCDB( a ) ( b ) ( c ) ( d ) ( e ) ( f ) ( g ) ( h ) ( i ) ( j ) ( k ) ( l ) ( m ) ( n ) ( o ) ( p )
(3) 61.1 80.7 73.4 59.3 75.5 72.5 57.5 70.7 71.0 33.6 93.9 32.4 90.0 31.2 87.9 1228 (3)
Extreme Annual Design Conditions
1% 2.5% 5% Min Max Min Max Min Max Min Max Min Max Min Max( a ) ( b ) ( c ) ( d ) ( e ) ( f ) ( g ) ( h ) ( i ) ( j ) ( k ) ( l ) ( m ) ( n ) ( o ) ( p )
(4) 29.8 27.5 25.7 77.9 25.2 106.9 3.6 3.0 22.6 109.0 20.5 110.7 18.5 112.4 15.9 114.6 (4)
Monthly Climatic Design Conditions
Annual Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec( d ) ( e ) ( f ) ( g ) ( h ) ( i ) ( j ) ( k ) ( l ) ( m ) ( n ) ( o ) ( p )
(5) Tavg 60.5 46.9 50.6 54.9 57.3 65.1 69.8 73.1 72.7 70.6 63.5 53.8 47.1 (5)
(6) Sd 4.52 4.01 5.46 5.73 6.04 5.64 5.45 4.65 5.64 5.35 5.46 4.94 (6)
(7) HDD50 317 117 37 15 4 0 0 0 0 0 0 27 117 (7)
(8) HDD65 2608 560 405 316 243 71 12 1 2 12 92 338 556 (8)
(9) CDD50 4150 22 53 167 223 468 594 718 703 617 419 140 26 (9)
(10) CDD65 965 0 0 3 12 74 156 254 240 180 45 1 0 (10)
(11) CDH74 11864 0 0 79 267 1127 2070 2875 2600 2162 662 22 0 (11)
(12) CDH80 5713 0 0 7 85 475 1019 1506 1314 1101 206 0 0 (12)
(13) PrecAvg 21.5 4.8 3.4 3.2 1.3 0.3 0.1 0.0 0.1 0.3 1.4 3.2 3.3 (13)
(14) PrecMax 58.1 17.6 16.5 11.7 6.1 2.9 1.7 1.6 0.9 2.1 8.9 11.9 13.3 (14)
(15) PrecMin 10.4 0.4 0.2 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 (15)
(16) PrecSD 9.9 4.6 4.1 2.9 1.6 0.8 0.4 0.3 0.2 0.5 1.7 3.1 3.5 (16)
(17) DB 65.6 70.5 81.1 88.2 97.3 101.8 106.0 100.3 99.8 90.8 77.1 63.7 (17)
(18) MCWB 52.6 55.1 59.7 65.0 67.6 67.9 71.0 67.4 65.6 64.3 58.9 53.5 (18)
(19) DB 61.4 66.2 75.4 81.5 90.5 96.7 99.3 96.7 96.6 85.6 72.6 61.0 (19)
(20) MCWB 51.9 54.7 59.9 62.0 66.0 65.7 69.1 66.9 64.8 61.3 56.2 53.4 (20)
(21) DB 58.8 63.2 72.1 75.2 85.6 91.0 93.1 91.4 91.1 81.4 68.3 58.7 (21)
(22) MCWB 50.4 53.2 58.3 58.9 63.0 64.9 67.4 65.7 63.6 59.7 55.1 52.5 (22)
(23) DB 55.3 60.6 67.6 70.1 80.6 85.9 88.4 88.0 86.4 77.1 64.4 55.4 (23)
(24) MCWB 49.5 51.9 56.3 57.2 61.7 63.7 66.2 65.4 62.6 58.3 54.7 50.7 (24)
(25) WB 56.3 59.2 64.1 66.7 70.0 70.3 72.7 71.5 68.4 67.1 62.7 59.3 (25)
(26) MCDB 61.3 63.8 75.5 83.9 92.0 94.9 103.0 95.2 92.8 82.6 70.3 61.5 (26)
(27) WB 54.5 56.7 61.7 63.4 67.2 68.1 69.8 69.1 66.7 64.0 60.4 56.8 (27)
(28) MCDB 58.6 62.5 72.5 78.9 87.8 91.5 95.5 91.7 89.6 78.9 66.0 58.7 (28)
(29) WB 53.0 55.0 59.2 60.4 64.8 66.2 68.2 67.1 65.3 61.9 58.7 54.4 (29)
(30) MCDB 56.7 60.2 69.9 73.5 83.0 88.1 91.3 88.4 87.9 75.5 64.2 56.5 (30)
(31) WB 51.2 53.7 57.0 57.7 62.4 64.3 66.5 65.6 63.7 60.1 56.8 52.6 (31)
(32) MCDB 54.9 58.6 65.7 68.6 78.0 84.0 87.0 86.2 84.6 73.0 62.7 54.8 (32)
(33) MDBR 17.1 18.3 21.8 23.4 26.4 28.4 30.2 29.8 29.2 24.7 21.3 16.2 (33)
(34) MCDBR 22.7 24.6 28.7 32.5 35.3 36.5 36.8 36.0 37.5 32.2 26.9 20.0 (34)
(35) MCWBR 14.7 14.7 15.8 16.1 13.9 12.9 12.7 12.7 12.4 13.5 13.9 13.4 (35)
(36) MCDBR 17.4 19.3 26.0 29.1 31.5 33.2 34.4 32.9 33.2 27.6 20.5 13.9 (36)
(37) MCWBR 13.2 12.8 15.1 15.3 14.2 13.0 13.0 13.1 12.4 12.6 12.7 11.0 (37)
(38) 0.345 0.338 0.334 0.323 0.319 0.322 0.328 0.338 0.353 0.340 0.330 0.329 (38)
(39) 2.591 2.573 2.546 2.521 2.505 2.455 2.453 2.470 2.497 2.563 2.609 2.633 (39)
(40) 266 283 295 303 304 302 299 295 284 278 269 264 (40)
(41) 23 27 30 32 34 35 35 34 31 26 23 21 (41)
Nomenclature: See separate page
Precipitation
Hours8 to 4 &55/69
2%
Coldest month WS/MCDB
2%
MCWS/PCWDto 99.6% DB0.4%
1%
1%
MCWS/PCWDto 0.4% DB
Enthalpy/MCDB1% 2%0.4%
ColdestMonth
HottestMonth
Humidification DP/MCDB and HR99.6% 99%Heating DB
0.4% 0.4%
Clear Sky Solar
Irradiance
Dehumidification DP/MCDB and HR
Ebn,noonEdh,noon
ExtremeMaxWB
Extreme Annual DB n-Year Return Period Values of Extreme DB
5% DB
taub
Monthly Design Dry Bulb
and Mean Coincident
Wet BulbTemperatures
Monthly Design Wet Bulb
and Mean Coincident
Dry BulbTemperatures
Mean DailyTemperature
Range
0.4%
2%
taud
10%
0.4%
2%
5%
5% WB
5%
10%
n=20 years n=50 years
FAIRFIELD/TRAVIS AF, CA, USA
Temperatures,Degree-Days
and Degree-Hours
HottestMonth
DB Range
Cooling DB/MCWB Evaporation WB/MCDB
Mean Standard deviation n=5 years
0.4%
Extreme Annual WS n=10 years
1%
1% 2%