Instructions to Rainfall Observers of the Signal Service Us Army
Instructions to Rainfall Observers of the Signal Service Us Army
United States Army Signal Corps
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26. When the rainfall in the past 24 hours equals or exceeds one inch, a full report of the observation, as before explained, will be enciphered on Form 203 and telegraphed to Observer, Signal Service, U. S. Army, 27. The report WILL NOT be telegraphed unless the rainfall equals or exceeds that stated in paragraph 26. 28. Attention is invited to the time of taking these observations. All observations of the Signal Service are taken on 75th meridian time. In paragraph 25 is given the local time ...at which these ob- servations are to be taken. 12 29. To explain how the rainfall is entered on Forms 180 and 180&, the following example is given : After measuring the water in the rain-gauge, as previously ex- plained, it is found to measure six hundredths of an inch ; this should be entered in its proper column on the Form as . 06 ; fifteen hundredths should be entered as . 15 ; twenty hundredths, as . 20; one inch and twenty-five hundredths, as 1. 25. Care will be taken to have the decimal point in its proper position.
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