CSO NPDES Annual Report 2009

APPENDIX B12009 MONTHLY PRECIPITATION DATA SHEETS

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

1/1/2009 0.00 0.00 0.00001/2/2009 0.00 0.00 0.00001/3/2009 0.00 0.00 0.00001/4/2009 0.00 0.00 0.00001/5/2009 0.05 0.12 0.00211/6/2009 0.00 0.00 0.00001/7/2009 0.62 0.20 0.02581/8/2009 0.12 0.24 0.00501/9/2009 0.00 0.00 0.0000

1/10/2009 0.00 0.00 0.00001/11/2009 0.00 0.00 0.00001/12/2009 0.00 0.00 0.00001/13/2009 0.10 0.04 0.00421/14/2009 0.01 0.04 0.00041/15/2009 0.00 0.00 0.00001/16/2009 0.00 0.00 0.00001/17/2009 0.00 0.00 0.00001/18/2009 0.00 0.00 0.00001/19/2009 0.01 0.04 0.00041/20/2009 0.01 0.04 0.00041/21/2009 0.00 0.00 0.00001/22/2009 0.00 0.00 0.00001/23/2009 0.21 0.04 0.00881/24/2009 0.10 0.04 0.00421/25/2009 0.00 0.00 0.00001/26/2009 0.00 0.00 0.00001/27/2009 0.00 0.00 0.00001/28/2009 1.37 0.32 0.05711/29/2009 0.00 0.00 0.00001/30/2009 0.00 0.00 0.00001/31/2009 0.00 0.00 0.0000Jan-2009 2.60

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

2/1/2009 0.00 0.00 0.00002/2/2009 0.00 0.00 0.00002/3/2009 0.06 0.08 0.00252/4/2009 0.00 0.00 0.00002/5/2009 0.00 0.00 0.00002/6/2009 0.00 0.00 0.00002/7/2009 0.00 0.00 0.00002/8/2009 0.00 0.00 0.00002/9/2009 0.00 0.00 0.0000

2/10/2009 0.00 0.00 0.00002/11/2009 0.00 0.00 0.00002/12/2009 0.15 0.12 0.00632/13/2009 0.00 0.00 0.00002/14/2009 0.00 0.00 0.00002/15/2009 0.00 0.00 0.00002/16/2009 0.00 0.00 0.00002/17/2009 0.00 0.00 0.00002/18/2009 0.29 0.28 0.01212/19/2009 0.19 0.20 0.00792/20/2009 0.00 0.00 0.00002/21/2009 0.00 0.00 0.00002/22/2009 0.83 0.24 0.03462/23/2009 0.00 0.00 0.00002/24/2009 0.00 0.00 0.00002/25/2009 0.00 0.00 0.00002/26/2009 0.00 0.00 0.00002/27/2009 0.16 0.12 0.00672/28/2009 0.01 0.04 0.0004Feb-2009 1.69

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

3/1/2009 0.05 0.04 0.00213/2/2009 0.24 0.08 0.01003/3/2009 0.00 0.00 0.00003/4/2009 0.00 0.00 0.00003/5/2009 0.00 0.00 0.00003/6/2009 0.00 0.00 0.00003/7/2009 0.02 0.04 0.00083/8/2009 0.00 0.00 0.00003/9/2009 0.57 0.20 0.0237

3/10/2009 0.00 0.00 0.00003/11/2009 0.20 0.08 0.00833/12/2009 0.00 0.00 0.00003/13/2009 0.00 0.00 0.00003/14/2009 0.00 0.00 0.00003/15/2009 0.00 0.00 0.00003/16/2009 0.00 0.00 0.00003/17/2009 0.00 0.00 0.00003/18/2009 0.00 0.00 0.00003/19/2009 0.02 0.04 0.00083/20/2009 0.00 0.00 0.00003/21/2009 0.00 0.00 0.00003/22/2009 0.00 0.00 0.00003/23/2009 0.00 0.00 0.00003/24/2009 0.00 0.00 0.00003/25/2009 0.00 0.00 0.00003/26/2009 0.20 0.12 0.00833/27/2009 0.11 0.08 0.00463/28/2009 0.00 0.00 0.00003/29/2009 0.77 0.52 0.03213/30/2009 0.19 0.08 0.00793/31/2009 0.00 0.00 0.0000Mar-2009 2.37

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

4/1/2009 0.07 0.12 0.00294/2/2009 0.03 0.04 0.00124/3/2009 0.57 0.40 0.02374/4/2009 0.01 0.04 0.00044/5/2009 0.00 0.00 0.00004/6/2009 1.35 0.68 0.05624/7/2009 0.00 0.00 0.00004/8/2009 0.00 0.00 0.00004/9/2009 0.00 0.00 0.0000

4/10/2009 0.18 0.16 0.00754/11/2009 0.39 0.16 0.01634/12/2009 0.00 0.00 0.00004/13/2009 0.00 0.00 0.00004/14/2009 0.00 0.00 0.00004/15/2009 0.00 0.00 0.00004/16/2009 0.00 0.00 0.00004/17/2009 0.00 0.00 0.00004/18/2009 0.01 0.04 0.00044/19/2009 0.06 0.04 0.00254/20/2009 0.03 0.04 0.00134/21/2009 1.16 0.36 0.04834/22/2009 0.27 0.12 0.01134/23/2009 0.08 0.12 0.00334/24/2009 0.00 0.00 0.00004/25/2009 0.00 0.00 0.00004/26/2009 0.00 0.00 0.00004/27/2009 0.00 0.00 0.00004/28/2009 0.00 0.00 0.00004/29/2009 0.00 0.00 0.00004/30/2009 0.00 0.00 0.0000Apr-2009 4.21

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

5/1/2009 0.00 0.00 0.00005/2/2009 0.02 0.04 0.00065/3/2009 0.00 0.00 0.00005/4/2009 0.01 0.04 0.00045/5/2009 0.32 0.20 0.01355/6/2009 0.48 0.24 0.02005/7/2009 0.35 0.44 0.01485/8/2009 0.00 0.00 0.00005/9/2009 0.27 0.36 0.0112

5/10/2009 0.00 0.00 0.00005/11/2009 0.00 0.00 0.00005/12/2009 0.00 0.00 0.00005/13/2009 0.00 0.00 0.00005/14/2009 0.13 0.12 0.00545/15/2009 0.01 0.04 0.00045/16/2009 0.00 0.00 0.00005/17/2009 0.13 0.16 0.00545/18/2009 0.00 0.00 0.00005/19/2009 0.00 0.00 0.00005/20/2009 0.00 0.00 0.00005/21/2009 0.00 0.00 0.00005/22/2009 0.00 0.00 0.00005/23/2009 0.00 0.00 0.00005/24/2009 0.27 0.24 0.01125/25/2009 0.01 0.04 0.00045/26/2009 0.00 0.00 0.00005/27/2009 0.27 0.28 0.01105/28/2009 0.00 0.00 0.00005/29/2009 0.11 0.12 0.00465/30/2009 0.28 0.16 0.01175/31/2009 0.16 0.20 0.0067May-2009 2.82

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

6/1/2009 0.01 0.04 0.00046/2/2009 0.00 0.00 0.00006/3/2009 0.00 0.00 0.00006/4/2009 0.00 0.00 0.00006/5/2009 0.00 0.00 0.00006/6/2009 0.02 0.04 0.00066/7/2009 0.00 0.00 0.00006/8/2009 0.02 0.04 0.00066/9/2009 0.15 0.12 0.0063

6/10/2009 0.02 0.04 0.00066/11/2009 0.21 0.24 0.00856/12/2009 0.91 0.60 0.03796/13/2009 0.00 0.00 0.00006/14/2009 0.34 0.16 0.01426/15/2009 0.00 0.00 0.00006/16/2009 0.02 0.04 0.00066/17/2009 0.00 0.00 0.00006/18/2009 0.49 0.28 0.02046/19/2009 0.52 0.16 0.02176/20/2009 0.03 0.04 0.00106/21/2009 0.04 0.04 0.00176/22/2009 0.37 0.12 0.01546/23/2009 0.02 0.04 0.00086/24/2009 0.12 0.04 0.00506/25/2009 0.06 0.04 0.00256/26/2009 0.05 0.04 0.00196/27/2009 0.01 0.04 0.00046/28/2009 0.03 0.04 0.00136/29/2009 0.39 0.28 0.01626/30/2009 0.05 0.12 0.0019Jun-2009 3.84

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

7/1/2009 0.54 0.24 0.02257/2/2009 1.34 0.84 0.05587/3/2009 0.01 0.04 0.00047/4/2009 0.00 0.00 0.00007/5/2009 0.00 0.00 0.00007/6/2009 0.03 0.04 0.00107/7/2009 0.52 0.32 0.02177/8/2009 0.02 0.04 0.00087/9/2009 0.03 0.08 0.0013

7/10/2009 0.01 0.04 0.00047/11/2009 0.30 0.28 0.01277/12/2009 0.27 0.24 0.01127/13/2009 0.03 0.04 0.00107/14/2009 0.00 0.00 0.00007/15/2009 0.02 0.04 0.00067/16/2009 0.00 0.00 0.00007/17/2009 0.02 0.04 0.00087/18/2009 0.33 0.96 0.01377/19/2009 0.03 0.04 0.00107/20/2009 0.00 0.00 0.00007/21/2009 0.47 0.16 0.01967/22/2009 0.07 0.16 0.00297/23/2009 0.28 0.20 0.01177/24/2009 2.16 0.72 0.09007/25/2009 0.02 0.04 0.00087/26/2009 0.01 0.04 0.00047/27/2009 0.12 0.20 0.00507/28/2009 0.00 0.00 0.00007/29/2009 0.00 0.00 0.00007/30/2009 0.85 0.72 0.03547/31/2009 0.98 0.80 0.0408Jul-2009 8.44

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

8/1/2009 0.00 0.00 0.00008/2/2009 0.00 0.00 0.00008/3/2009 0.04 0.08 0.00178/4/2009 0.00 0.00 0.00008/5/2009 0.00 0.00 0.00008/6/2009 0.00 0.00 0.00008/7/2009 0.00 0.00 0.00008/8/2009 0.00 0.00 0.00008/9/2009 0.01 0.04 0.0004

8/10/2009 0.00 0.00 0.00008/11/2009 0.20 0.36 0.00838/12/2009 0.00 0.00 0.00008/13/2009 0.06 0.04 0.00258/14/2009 0.00 0.00 0.00008/15/2009 0.00 0.00 0.00008/16/2009 0.00 0.00 0.00008/17/2009 0.01 0.04 0.00048/18/2009 0.00 0.00 0.00008/19/2009 0.01 0.04 0.00048/20/2009 0.02 0.08 0.00088/21/2009 0.00 0.00 0.00008/22/2009 0.00 0.00 0.00008/23/2009 0.46 0.68 0.01928/24/2009 0.01 0.04 0.00048/25/2009 0.02 0.04 0.00088/26/2009 0.00 0.00 0.00008/27/2009 0.01 0.04 0.00048/28/2009 0.19 0.28 0.00798/29/2009 1.31 0.24 0.05468/30/2009 0.00 0.00 0.00008/31/2009 0.00 0.00 0.0000Aug-2009 2.35

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

9/1/2009 0.04 0.04 0.00179/2/2009 0.00 0.00 0.00009/3/2009 0.01 0.04 0.00049/4/2009 0.00 0.00 0.00009/5/2009 0.00 0.00 0.00009/6/2009 0.00 0.00 0.00009/7/2009 0.01 0.04 0.00049/8/2009 0.00 0.00 0.00009/9/2009 0.01 0.04 0.0004

9/10/2009 0.00 0.00 0.00009/11/2009 0.37 0.40 0.01549/12/2009 1.79 0.88 0.07469/13/2009 0.06 0.16 0.00259/14/2009 0.00 0.00 0.00009/15/2009 0.03 0.04 0.00139/16/2009 0.00 0.00 0.00009/17/2009 0.00 0.00 0.00009/18/2009 0.00 0.00 0.00009/19/2009 0.01 0.04 0.00049/20/2009 0.00 0.00 0.00009/21/2009 0.02 0.04 0.00089/22/2009 0.00 0.00 0.00009/23/2009 0.00 0.00 0.00009/24/2009 0.00 0.00 0.00009/25/2009 0.02 0.04 0.00089/26/2009 0.00 0.00 0.00009/27/2009 0.45 0.16 0.01879/28/2009 0.27 0.76 0.01139/29/2009 0.18 0.32 0.00759/30/2009 0.00 0.00 0.0000Sep-2010 3.27

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

10/1/2009 0.00 0.00 0.000010/2/2009 0.00 0.00 0.000010/3/2009 0.99 0.32 0.041210/4/2009 0.00 0.00 0.000010/5/2009 0.00 0.00 0.000010/6/2009 0.00 0.00 0.000010/7/2009 0.50 0.32 0.020810/8/2009 0.00 0.00 0.000010/9/2009 0.05 0.04 0.0021

10/10/2009 0.22 0.28 0.009210/11/2009 0.00 0.00 0.000010/12/2009 0.00 0.00 0.000010/13/2009 0.34 0.12 0.014210/14/2009 0.00 0.00 0.000010/15/2009 0.00 0.00 0.000010/16/2009 0.16 0.08 0.006710/17/2009 0.00 0.00 0.000010/18/2009 1.08 0.16 0.045010/19/2009 0.00 0.00 0.000010/20/2009 0.00 0.00 0.000010/21/2009 0.00 0.00 0.000010/22/2009 0.00 0.00 0.000010/23/2009 0.00 0.00 0.000010/24/2009 0.98 0.48 0.040810/25/2009 0.05 0.08 0.002110/26/2009 0.00 0.00 0.000010/27/2009 0.00 0.00 0.000010/28/2009 0.78 0.40 0.032510/29/2009 0.00 0.00 0.000010/30/2009 0.00 0.00 0.000010/31/2009 0.03 0.08 0.0013

Oct-2009 5.18Notes:

Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

11/1/2009 0.01 0.04 0.000411/2/2009 0.00 0.00 0.000011/3/2009 0.00 0.00 0.000011/4/2009 0.00 0.00 0.000011/5/2009 0.00 0.00 0.000011/6/2009 0.00 0.00 0.000011/7/2009 0.00 0.00 0.000011/8/2009 0.00 0.00 0.000011/9/2009 0.00 0.00 0.0000

11/10/2009 0.00 0.00 0.000011/11/2009 0.00 0.00 0.000011/12/2009 0.00 0.00 0.000011/13/2009 0.00 0.00 0.000011/14/2009 2.32 0.64 0.096711/15/2009 0.08 0.12 0.003311/16/2009 0.01 0.04 0.000411/17/2009 0.00 0.00 0.000011/18/2009 0.00 0.00 0.000011/19/2009 0.00 0.00 0.000011/20/2009 0.30 0.32 0.012511/21/2009 0.00 0.00 0.000011/22/2009 0.00 0.00 0.000011/23/2009 0.07 0.04 0.002911/24/2009 0.11 0.08 0.004611/25/2009 0.06 0.04 0.002511/26/2009 0.00 0.00 0.000011/27/2009 0.56 0.20 0.023311/28/2009 0.08 0.04 0.003311/29/2009 0.00 0.00 0.000011/30/2009 0.19 0.08 0.0079Nov-2009 3.79

Notes:Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CITY OF CAMBRIDGE2009 DAILY RAINFALL DATA

FRESH POND PARKWAY, CAMBRIDGE, MA

12/1/2009 0.00 0.00 0.000012/2/2009 0.08 0.12 0.003312/3/2009 0.80 0.36 0.033312/4/2009 0.00 0.00 0.000012/5/2009 0.27 0.08 0.011312/6/2009 0.03 0.04 0.001312/7/2009 0.00 0.00 0.000012/8/2009 0.00 0.00 0.000012/9/2009 1.37 0.20 0.0571

12/10/2009 0.00 0.00 0.000012/11/2009 0.00 0.00 0.000012/12/2009 0.00 0.00 0.000012/13/2009 0.68 0.32 0.028312/14/2009 0.00 0.00 0.000012/15/2009 0.00 0.00 0.000012/16/2009 0.00 0.00 0.000012/17/2009 0.00 0.00 0.000012/18/2009 0.00 0.00 0.000012/19/2009 0.00 0.00 0.000012/20/2009 0.05 0.04 0.002112/21/2009 0.00 0.00 0.000012/22/2009 0.00 0.00 0.000012/23/2009 0.00 0.00 0.000012/24/2009 0.00 0.00 0.000012/25/2009 0.00 0.00 0.000012/26/2009 0.03 0.04 0.001312/27/2009 0.32 0.08 0.013312/28/2009 0.12 0.16 0.005012/29/2009 0.00 0.00 0.000012/30/2009 0.00 0.00 0.000012/31/2009 0.06 0.04 0.0025

Dec-2009 3.81Notes:

Rainfall data provided by USGS based on rainfall measured at the Fresh Pond water guage.Rainfall was measured in fifteen minute intervals."*" denotes peak intensity of rainfall measuered over a 15 minute time period.Shaded data denotes CS discharge.

Date Daily Rainfall(in.)

Maximum Intensity(in./hr.) *

Average Intensity(in./hr.)

G:\_clients\Cambridge MA\2010031.01-A - CDPW NPDES CSO Support\calculations\freshpond15min calcs

CSO NPDES Annual Report 2009

APPENDIX B22009 MONTHLY SUMMARIES, CSO DISCHARGE VOLUME METERING