Atch 6 - Operational Climatic Data .pdf
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- Attached to
- Repair Building 502 HVAC, Elevator, and Roof
- Solicitation number
- FA449720R0032
About this file
This document contains an operational climatic data summary for Dover Air Force Base in Delaware and details of a federal contract solicitation to repair building HVAC systems, elevators, and a roof.
The climatic data summary provides historical weather statistics for Dover AFB including temperature extremes and averages, precipitation amounts, snowfall, humidity, wind and pressure data, cloud cover, thunderstorms, fog and dust occurrences. The solicitation seeks a contractor to replace the roof snow retention system, one chiller, a seven story elevator, and repair tower HVAC components at building 502 for the Department of the Air Force Air Mobility Command. The work must be completed in accordance with the attached statement of work and solicitation documents.
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OPERATIONAL CLIMATIC DATA SUMMARY
STATION: DOVER AFB, DELAWARE STATION #: 724088 ICAO: DOV
LOCATION: 3908N 7528W ELEVATION (FEET): 30 LST = GMT -5
PREPARED BY: AFCCC/DOS, SEP 1997 PERIOD: 7301-9612
SOURCE NO. JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1. TEMPERATURE ( F)
EXTREME MAX 2 72 76 87 90 97 100 103 101 97 91 83 74 103
MEAN DAILY MAX 2 41 43 52 62 72 81 85 83 77 66 56 45 64
MEAN 2 33 36 44 53 63 72 77 75 69 58 47 38 56
MEAN DAILY MIN 2 26 28 35 44 54 63 68 67 60 49 39 30 47
EXTREME MIN 2 -5 0 9 21 33 43 52 48 39 24 14 -4 -5
# DAYS GE 90 2 0 0 0 # 1 4 8 5 2 0 0 0 20
# DAYS LE 32 2 24 20 12 2 0 0 0 0 0 1 8 19 86
# DAYS LE 0 1 1 0 0 0 0 0 0 0 0 0 0 1 2
2. PRECIPITATION (INCHES)
MAXIMUM 3 8.2 7.5 9.1 7.1 8.1 15.3 12.6 16.6 8.2 6.9 8.6 8.2 72.8
MEAN 3 3.1 3.0 3.9 3.3 3.6 3.4 4.2 4.5 3.5 3.0 3.4 3.6 42.5
MINIMUM 3 0.3 1.1 1.1 0.4 0.6 0.7 0.8 0.9 0.4 # 0.3 0.5 22.8
MAX 24 HR 3 2.2 2.7 2.7 2.6 3.2 3.7 5.4 9.0 3.5 4.1 5.7 2.8 9.0
# DAYS GE .004 * * * * * * * * * * * * *
# DAYS GE .5 3 2 2 3 2 2 2 3 3 2 2 2 3 28
3. SNOWFALL (INCHES)
MEAN 3 5.4 6.2 2.2 0.2 0 0 0 0 0 # 0.6 2.1 16.7
MAXIMUM 3 27.0 33.9 20.2 2.2 0 0 0 0 0 # 9.0 13.6 58.3
MAX 24 HR 3 14.0 17.9 8.2 2.2 0 0 0 0 0 # 9.0 9.1 17.9
# DAYS GE 0.1 * * * * * * * * * * * * *
# DAYS GE 1.5 * * * * * * * * * * * * *
4. MEAN RELATIVE HUMIDITY (%) / VAPOR PRESSURE (IN HG) / DEWPOINT ( F)
RH ( 5 LST) 1 70 71 72 73 80 82 84 86 84 80 76 71 77
RH (15 LST) 1 57 54 52 52 56 55 56 59 58 54 56 57 56
VAPOR PRESS 1 .14 .15 .20 .27 .42 .56 .67 .67 .53 .35 .26 .18 .37
DEWPOINT 1 23 24 31 40 52 60 66 66 59 47 38 27 44
5. SURFACE WINDS 16 PT/KTS / 99.95% HIGHEST PRESSURE ALTITUDE (FEET)
PVLG DRCTN 1 WNW N N WNW $SSW $SSW $SSW $SSW $N $N $W $WNW $N
MEAN SPEED
(PVLG DRCTN) 1 11 8 8 10 8 7 6 6 6 7 7 10 8
MEAN SPEED
(ALL OBS) 1 7 7 8 7 6 6 5 5 5 6 7 7 6
MAX PEAK GUST 1 59 69 74 51 54 58 62 52 60 51 51 61 74
PRESSURE ALT 1 1059 1009 1209 809 609 509 409 309 859 609 659 809 1209
6. MEAN CLOUD COVER (8THS) / THUNDERSTORMS / FOG / BLOWING SAND & DUST (BNBD)
CLD COVER 1 5 5 5 5 5 4 4 4 4 4 5 5 5
DAYS TSTMS 1 # # 2 3 5 6 9 7 3 1 1 # 36
DAYS FOG LT 7 1 14 12 14 14 17 16 19 20 18 16 15 13 187
DAYS BNBD LT 7 1 0 0 # 0 0 0 0 0 0 0 0 0 0
7. PERCENTAGE FREQUENCY OF OCCURRENCE (% FREQ) OF CEILING AND/OR VISIBILITY
(CIG/VIS) LT 3000/3 STATUTE MILES (MI) (SOURCE NO. 1)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 19 19 19 17 18 11 12 12 16 15 17 16 16
03-05 LST 20 20 21 19 23 18 20 20 21 19 20 17 20
06-08 LST 21 22 23 21 24 20 24 27 27 23 23 18 23
09-11 LST 19 20 20 18 21 15 12 13 17 15 19 18 17
12-14 LST 18 19 18 15 17 9 7 9 13 10 15 16 14
15-17 LST 18 18 17 13 14 7 6 8 11 10 14 16 13
18-20 LST 18 18 16 15 15 8 6 8 10 11 14 17 13
21-23 LST 17 19 17 16 16 9 9 9 11 13 16 16 14
ALL HOURS 18 19 18 16 18 12 12 13 15 14 17 16 16
Solicitation No.: FA449719RA044 Contract No.:
Attachment 6
8. % FREQ OF CIG/VIS LT 1500/3 MI (SOURCE NO. 1)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 15 15 15 13 14 9 10 10 11 12 13 12 13
03-05 LST 16 17 17 16 19 16 19 17 17 15 14 13 16
06-08 LST 17 19 18 17 21 17 21 24 22 19 18 14 19
09-11 LST 16 18 15 13 15 10 7 9 11 11 14 13 13
12-14 LST 15 15 14 10 11 6 3 5 6 6 10 12 9
15-17 LST 14 13 13 9 9 4 4 4 5 6 9 11 8
18-20 LST 14 13 13 10 11 7 5 5 6 7 9 12 9
21-23 LST 14 15 13 12 12 8 7 7 8 10 12 12 11
ALL HOURS 15 15 14 12 14 9 9 10 10 10 12 12 12
9. % FREQ OF CIG/VIS LT 1000/2 MI (SOURCE NO. 1)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 12 12 12 11 11 7 5 5 8 9 10 10 9
03-05 LST 12 14 14 13 15 11 10 10 11 12 11 10 12
06-08 LST 12 16 14 13 15 12 11 14 14 14 13 10 13
09-11 LST 11 14 12 10 10 6 4 4 5 8 10 10 9
12-14 LST 11 11 10 7 7 3 1 2 3 5 7 9 6
15-17 LST 11 9 10 6 6 3 2 2 2 4 7 9 6
18-20 LST 11 10 10 7 8 4 2 3 3 5 7 9 7
21-23 LST 12 11 10 9 9 5 3 3 5 7 9 9 8
ALL HOURS 11 12 11 9 10 6 4 5 6 8 9 9 8
10. % FREQ OF CIG/VIS LT 200/0.5 MI (SOURCE NO. 1)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 2 3 2 3 2 1 1 1 1 3 3 3 2
03-05 LST 2 4 3 3 3 2 1 2 2 4 3 2 3
06-08 LST 3 4 3 3 2 1 1 2 2 4 4 3 3
09-11 LST 2 3 2 1 # # 0 0 # 1 2 1 1
12-14 LST 2 2 # # 0 # 0 0 # # # # #
15-17 LST 1 1 # 0 0 # # 0 0 # # 1 #
18-20 LST 2 2 1 1 1 # # 0 # 1 1 1 1
21-23 LST 3 3 2 1 1 1 # # # 1 2 2 1
ALL HOURS 2 2 1 1 1 # # # # 1 2 1 1
11. PERCENTAGE FREQUENCY OF OCCURRENCE (% FREQ) OF THUNDERSTORMS:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 0 # # 1 2 1 3 1 1 # # 0 1
03-05 LST 0 0 # 1 1 1 1 1 0 # # 0 #
06-08 LST 0 0 # # 1 1 1 1 # # 0 # #
09-11 LST 0 0 # 1 # 1 1 1 # # # # #
12-14 LST # # # # 1 1 3 1 1 # 0 0 1
15-17 LST # # 1 1 2 2 4 3 2 # # # 1
18-20 LST # # # 2 4 4 5 4 2 # # # 2
21-23 LST # 0 1 1 3 3 4 3 1 # # # 1
ALL HOURS # # # # 1 1 2 2 # # # # #
12. % FREQ RAIN AND/OR DRIZZLE:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 10 11 12 12 11 6 5 6 8 9 10 11 9
03-05 LST 10 11 12 12 11 6 5 6 8 10 11 11 9
06-08 LST 9 10 14 13 11 7 6 6 8 9 10 10 9
09-11 LST 10 9 13 11 10 7 5 5 7 8 12 12 9
12-14 LST 10 8 12 10 9 5 6 6 6 7 10 9 8
15-17 LST 9 10 12 11 9 7 7 7 7 7 9 10 9
18-20 LST 10 9 12 12 10 9 8 7 8 8 10 11 9
21-23 LST 10 10 13 13 12 7 7 8 8 9 11 11 10
ALL HOURS 9 9 12 11 10 6 6 6 7 8 10 10 9
Solicitation No.: FA449719RA044
13. % FREQ SNOW AND/OR ICE PELLETS:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 4 4 2 # 0 0 0 0 0 0 1 2 1
03-05 LST 6 4 3 1 0 0 0 0 0 0 1 2 1
06-08 LST 5 4 2 1 0 0 0 0 0 0 1 2 1
09-11 LST 5 4 2 1 0 0 0 0 0 # 1 2 1
12-14 LST 5 4 2 1 0 0 0 0 0 # # 2 1
15-17 LST 4 4 2 # 0 0 0 0 0 0 # 2 1
18-20 LST 4 4 2 # 0 0 0 0 0 0 1 2 1
21-23 LST 4 4 2 # 0 0 0 0 0 0 1 2 1
ALL HOURS 4 4 2 # 0 0 0 0 0 # # 2 1
14. % FREQ OF SURFACE WIND SPEEDS GT 25 KTS. (INCLUDING GUSTS):
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
00-02 LST 3 3 3 1 # # # # # # 1 2 1
03-05 LST 2 3 2 1 # 0 0 # # # 1 2 1
06-08 LST 2 3 3 1 # 0 0 # # 1 1 3 1
09-11 LST 5 5 7 4 2 # # # 1 2 4 5 3
12-14 LST 7 7 9 7 2 1 # # 1 2 5 7 4
15-17 LST 6 5 7 6 2 1 1 # 1 1 3 4 3
18-20 LST 4 2 3 2 1 1 # # # 1 1 3 2
21-23 LST 4 3 3 2 # # # # # # 1 2 1
ALL HOURS 4 4 4 3 # # # # # # 2 3 2
SOURCE(S): 1. AFCCC DATSAV DATABASE, 7301-9612, TOTAL OBS USED 212250
2. INTERNATIONAL STATION METEOROLOGICAL CLIMATE SUMMARY, CD-ROM, V 4.0
(ISMCS V 4.0 INCLUDES GHCN V 1.0 DATA)
3. SUMMARY OF DAY DATA FOR DOVER AFB DELEWARE, POR: DEC 42-SEP 46,
JUL 49-JUN 97
REMARKS: * = DATA NOT AVAILABLE # = LT 0.5 DAY, OR 0.05 INCH, OR 0.5%, AS
APPLICABLE $ = % CALM GT PVLGN DRCTN
= BASED ONLY ON AVAILABLE DATA, I.E. LT 24 HRS/DAY, OR LT 12 MONTH/YR
ANNUAL TOTALS MAY NOT EQUAL THE SUM OF MONTHLY TOTALS DUE TO ROUNDING
Solicitation No.: FA449719RA044
File details come from the government source that posted it. Updated .