Need Formula for this logic in excel

[sathyaanil37]

Hi,

We have hourly data in excel like below. i need logic where sum of values for that day is greater than 19.
that means here sum of value for this date 3/29/2012 is 45.and for3/30/2012 is 10. so here i need one output column that is saying Count of days=1 based on date.here 3/29/2012 is 45 and 3/30/2012 is 10.so 45>19 then count of days =1

Input format

Name datetime Value
Test 3/29/2012 1:19 0
Test 3/29/2012 2:19 20
Test 3/29/2012 3:19 25
Test 3/29/2012 4:19 0
Test 3/29/2012 5:19 0
Test 3/29/2012 6:19 0
Test 3/29/2012 7:19 0
Test 3/29/2012 8:19 0
Test 3/29/2012 9:19 0
Test 3/29/2012 10:19 0
Test 3/29/2012 11:19 0
Test 3/29/2012 12:19 0
Test 3/29/2012 13:19 0
Test 3/29/2012 14:19 0
Test 3/29/2012 15:19 0
Test 3/29/2012 16:19 0
Test 3/29/2012 17:19 0
Test 3/29/2012 18:19 0
Test 3/29/2012 19:19 0
Test 3/29/2012 20:19 0
Test 3/29/2012 21:19 0
Test 3/29/2012 22:19 0
Test 3/29/2012 23:19 0
Test 3/30/2012 16:19 0
Test 3/30/2012 17:19 0
Test 3/30/2012 18:19 0
Test 3/30/2012 19:19 0
Test 3/30/2012 20:19 10
Test 3/30/2012 21:19 0
Test 3/30/2012 22:19 0
Test 3/30/2012 23:19 0

Output format

Name datetime Value Countofdays
Test 03/29/12 01:19 AM 0 1
Test 03/29/12 02:19 AM 20
Test 03/29/12 03:19 AM 25
Test 03/29/12 04:19 AM 0
Test 03/29/12 05:19 AM 0
Test 03/29/12 06:19 AM 0
Test 03/29/12 07:19 AM 0
Test 03/29/12 08:19 AM 0
Test 03/29/12 09:19 AM 0
Test 03/29/12 10:19 AM 0
Test 03/29/12 11:19 AM 0
Test 03/29/12 12:19 PM 0
Test 03/29/12 01:19 PM 0
Test 03/29/12 02:19 PM 0
Test 03/29/12 03:19 PM 0
Test 03/29/12 04:19 PM 0
Test 03/29/12 05:19 PM 0
Test 03/29/12 06:19 PM 0
Test 03/29/12 07:19 PM 0
Test 03/29/12 08:19 PM 0
Test 03/29/12 09:19 PM 0
Test 03/29/12 10:19 PM 0
Test 03/29/12 11:19 PM 0
Test 03/30/12 04:19 PM 0
Test 03/30/12 05:19 PM 0
Test 03/30/12 06:19 PM 0
Test 03/30/12 07:19 PM 0
Test 03/30/12 08:19 PM 10
Test 03/30/12 09:19 PM 0
Test 03/30/12 10:19 PM 0
Test 03/30/12 11:19 PM 0

[arlu1201]

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