Field Form Review, Raingage Chart Reduction, Field Form Review, Raingage Chart Reduction, and Shippingand Shipping

SECTION 1 - SECTION 1 - Completion of most recent version Completion of most recent version of the Field Observer Report Form (FORF 10/06)of the Field Observer Report Form (FORF 10/06)

SECTION 2 - SECTION 2 - Analysis of precipitation data from Analysis of precipitation data from the raingage chartthe raingage chart

SECTION 3 - SECTION 3 - ShippingShipping

SECTION 1 SECTION 1 Completion of most recent version of the Field Observer Completion of most recent version of the Field Observer Report Form (FORF 10/06)Report Form (FORF 10/06)

OBJECTIVE: OBJECTIVE:

To relay data to the CAL in a manner which is To relay data to the CAL in a manner which is timely, accurate and detailed. This assures thattimely, accurate and detailed. This assures that

A)A)the data are complete and easy to the data are complete and easy to understand,understand,

B)B)any problems with the operation of the field any problems with the operation of the field equipment are documented, andequipment are documented, and

C)C)anything effecting the representativeness of anything effecting the representativeness of the individual sample or of the site is noted.the individual sample or of the site is noted.

GENERAL RULES:GENERAL RULES:

Submit one FORF for each sample submitted.Submit one FORF for each sample submitted. Each week fill out two FORF’s; one for the date off Each week fill out two FORF’s; one for the date off

(to finish the present week) and one for the date (to finish the present week) and one for the date on (to start next week).on (to start next week).

Use a ball point pen and write hard on a single Use a ball point pen and write hard on a single FORF. Don’t write through the stack!FORF. Don’t write through the stack!

The individual blocks are self explanatory, The individual blocks are self explanatory, complete Block 1 through 10 where required.complete Block 1 through 10 where required.

GENERAL RULES:GENERAL RULES:

Before separating the FORF, Before separating the FORF, review it for review it for completeness and accuracycompleteness and accuracy..

After packing the mailer or 5x5x9 box with After packing the mailer or 5x5x9 box with your sample bottle in bag, place white and your sample bottle in bag, place white and yellow FORFs with original raingage chart.yellow FORFs with original raingage chart.

Return any memos, data corrections, etc. Return any memos, data corrections, etc. with FORF and sample.with FORF and sample.

Keep the pink copy of the FORF and a Keep the pink copy of the FORF and a photocopy of your raingage chart filed in photocopy of your raingage chart filed in chronological order for 2 years.chronological order for 2 years.

RULE 1:RULE 1:Record something for Record something for every day of samplingevery day of sampling, from the time , from the time the bucket was put on to the time it was taken off.the bucket was put on to the time it was taken off.

4 options4 options ..no precipitationno precipitation - circle “Z” - circle “Z” ..precipitation or no precipitation?precipitation or no precipitation? (DON’T (DON’T

KNOW) - circle “MM” for unknown, KNOW) - circle “MM” for unknown, unmeasured, or missing amountunmeasured, or missing amount

..precipitationprecipitation - circle “T” for trace when - circle “T” for trace when precipitation was observed but was an precipitation was observed but was an amount less than the gage is designed to amount less than the gage is designed to record (record (lessless that .01") that .01")

..precipitationprecipitation - indicate amount to - indicate amount to nearest .01"nearest .01"

RULE 2:RULE 2:When there is any precipitation (even a trace) indicate a When there is any precipitation (even a trace) indicate a type.type.

R = all rain (includes hail)R = all rain (includes hail) S = all snowS = all snow M = mixture of rain & snow, M = mixture of rain & snow,

sleet sleet or or freezing rain, or freezing rain, or combinationcombination

U = don’t knowU = don’t know

RULE 3:RULE 3: Total sampling period precipitation Total sampling period precipitation mustmust equal the sum of equal the sum of the daily amounts (the daily amounts (exceptexcept when daily amounts are when daily amounts are missing).missing).

Do not include a “T” in the sum of daily amounts; Do not include a “T” in the sum of daily amounts; for example: Thursday - .06", Sunday - .70", for example: Thursday - .06", Sunday - .70", Monday - “T”, Tuesday - “T”, all other days - 0 Monday - “T”, Tuesday - “T”, all other days - 0 yields a sum of .76.yields a sum of .76.

When the daily amount is missing for one or more When the daily amount is missing for one or more days, the total for the sampling period is missing, days, the total for the sampling period is missing, as well; for example: Thursday - .06", Sunday as well; for example: Thursday - .06", Sunday - .70", Monday - “T”, Tuesday - MM yields a total - .70", Monday - “T”, Tuesday - MM yields a total that is missing.that is missing.

SECTION 2 SECTION 2 Analysis of precipitation data from the raingage chartAnalysis of precipitation data from the raingage chart

OBJECTIVE: OBJECTIVE:

To carefully analyze the data from the belfort at To carefully analyze the data from the belfort at your site.your site.

This assures thatThis assures that

A)A) the precipitation events are accurately the precipitation events are accurately measured for amount and duration, andmeasured for amount and duration, and

B)B) any problems with the operation of any problems with the operation of precipitation collector are detected early precipitation collector are detected early (assure (assure wet-deposition only sampling).wet-deposition only sampling).

GENERAL RULES:GENERAL RULES: 0.05" is the smallest chart scaling, 0.01" is the 0.05" is the smallest chart scaling, 0.01" is the

minimum resolution for each precipitation event.minimum resolution for each precipitation event.

When evaluating the chart remember that the When evaluating the chart remember that the time is set by the bottom (precipitation) pen.time is set by the bottom (precipitation) pen.

Perform the event recorder/ precipitation trace Perform the event recorder/ precipitation trace comparison each week to assure that your comparison each week to assure that your samples are valid.samples are valid.

Use the rules of daily and weekly precipitation Use the rules of daily and weekly precipitation reporting.reporting.

Annotate the chart as much as needed without Annotate the chart as much as needed without obscuring the traces.obscuring the traces.

GEOGRAPHY OF A RAINGAGE CHARTGEOGRAPHY OF A RAINGAGE CHART

Perform Analysis on ChartPerform Analysis on Chart Event recorder transcription into precipitation lineEvent recorder transcription into precipitation line Split 0000-2400 periodsSplit 0000-2400 periods Daily analysis and notationDaily analysis and notation Time on horizontal axis. About 30 minute Time on horizontal axis. About 30 minute

resolution.resolution. Amount on vertical axis.Amount on vertical axis.

GEOGRAPHY OF A RAINGAGE CHARTGEOGRAPHY OF A RAINGAGE CHART

Daily Total BreakdownDaily Total Breakdown