Data Calendar for Potomac River AT Point of Rocks

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/New_York timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01

Precip: M
Max Stage[ft]: 9.70
02

Precip: M
Max Stage[ft]: 8.98
03

Precip: M
Max Stage[ft]: 7.13
04

Precip: M
Max Stage[ft]: 5.94
05

Precip: M
Max Stage[ft]: 4.84
06

Precip: M
Max Stage[ft]: 4.17
07

Precip: M
Max Stage[ft]: 3.80
08

Precip: M
Max Stage[ft]: 4.12
09

Precip: M
Max Stage[ft]: 5.78
10

Precip: M
Max Stage[ft]: 7.37
11

Precip: M
Max Stage[ft]: 7.98
12

Precip: M
Max Stage[ft]: 6.96
13

Precip: M
Max Stage[ft]: 5.16
14

Precip: M
Max Stage[ft]: 4.29
15

Precip: M
Max Stage[ft]: 4.93
16

Precip: M
Max Stage[ft]: 5.70
17

Precip: M
Max Stage[ft]: 5.92
18

Precip: M
192021
22232425262728
29300102030405

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.