Monday, July 19, 2021

 

 

Not 2 Green  |  How Hot was it ? 

 

United States Climate Reference Network
USCRN regional NorthWest USA  data,  July 1 thru July 7 2021
 

 

                                  USCRN - John Day OR site - courtesy NOAA

My question has always been " how hot is it " ?  Thus, when the Pacific Northwest experienced it's once in a thousand years, possibly influenced by " climate change " heatwave I was left wondering what did actually occur across the region.  Unlike the media, I went into the USCRN's website to look at data for 6 Northwest field stations, 3 in Washington, 1 in Idaho and 2 in Oregon.  I selected a one week period, starting on July 1, 2021 to overlap the days of this heat event.  Each station collects a wealth of surface data, and there are many reference notes located in a README text file :  README.txt, located in the data file directory.  Perhaps, an easier introduction for the reader is to go to the USCRN home page and follow certain links to reach the page that lists all stations in the network.  So, go to the station directory now and look, or wait until you have had a chance to digest the extracted data I show below, for these 6 stations.

https://www.ncdc.noaa.gov/crn/

On the above page, under the Datasets column, select More Data
select the " Current observations " choice at page top
Scroll down to the three Washington state sites ( or ID or OR ), and select  WA Spokane 17 SSW ( or other)
On the Sensor data page, select, under SummarizeThis Month    
On the Monthly Summary page, first ( radio button )  Display Units as  US Customary ( unless you want degrees C )
See in the Temperature column, the Temp data for Day 1 ( July 1st ) thru 7

I have included the relevant sections from the README text file here.  Link to the entire file is below.


E.  There are no quality flags for these derived quantities. When the
            raw data are flagged as erroneous, these derived values are not
            calculated, and are instead reported as missing. Therefore, these
            fields may be assumed to always be good (unflagged) data, except
            when they are reported as missing.
F.  The daily values reported in this dataset are calculated using
            multiple independent measurements for temperature ....  .
            USCRN/USRCRN stations have multiple co-located temperature sensors
            that make 10-second independent measurements which are used to
            produce max/min/avg temperature values at 5-minute intervals.
G.  On 2013-01-07 at 1500 UTC, USCRN began reporting corrected surface
            temperature measurements for some stations. These changes  
            impact previous users of the data because the corrected values
            differ from uncorrected values. To distinguish between uncorrected
            (raw) and corrected surface temperature measurements, a surface
            temperature type field was added to the daily product. The
            possible values of the this field are "R" to denote raw surface
            temperature measurements, "C" to denote corrected surface
            temperature measurements, and "U" for unknown/missing.


Day       Max T(F)  time  Min T(F)  time ( local standard time 24 hr )
*** infrared surface temperature, in degrees F.
WA = Washington,  ID = Idaho,  OR = Oregon


WA Spokane 17 SSW                                        WA Darrington 21 NNE
US Fish & Wildlife Service, Turnbull NWR


1 July    92.9     14:25     59.6     23:15            1 July    73.9     13:45     62.1     05:20
2            90.3     15:10     50.6     23:40            2           77.5     13:55     61.5     04:00
3            93.4     14:35     45.1     03:35            3           84.1     14:10     57.3     23:50
4            91.0     14:35     45.3     04:05            4           83.6     14:00     52.9     04:50
5            90.8     15:55     44.8     03:45            5           79.9     14:05     53.2     03:55
6            94.7     14:15     44.3     03:20            6           83.3     14:55     53.5     04:05
7            92.5     14:00     50.1     03:20            7           72.2     16:05     55.1     03:35


WA Quinault 4 NE                                            ID Murphy 10 W
Olympic National Park


1 July    67.3     16:30     59.3     00:35            1 July    97.1     13:30     62.1     04:10
2            71.4     14:30     56.4     23:50            2           96.5     14:55     60.9     04:10
3            75.3     15:25     54.7     01:10            3           99.5     14:10     63.4     05:40
4            68.1     15:50     55.5     21:00            4           96.4     15:30     61.7     05:25
5            70.6     15:20     51.8     22:55            5           94.5     14:00     63.8     03:35
6            78.9     14:15     53.6     00:05            6           99.8     15:20     57.9     05:40
7            65.8     14:35     53.1     00:00            7           97.2     14:20     62.6     05:00


OR Corvallis 10 SSW                                       OR John Day 35 WNW
 John Day Fossil Beds Nat'l. Mon.


1 July    75.3     18:05     61.0     03:45            1 July  101.1     16:15     74.4     04:20
2            85.6     16:10     59.2     03:15            2         100.9     15:30     62.0     04:30
3            88.0     15:25     53.8     05:15            3         100.7     16:20     59.8     04:45
4            86.4     14:45     53.2     05:00            4           99.5     16:10     55.8     04:40
5            87.5     15:45     49.5     04:55            5           99.0     15:50     56.5     05:10
6            92.0     15:05     52.1     04:40            6         104.3     16:00     56.4     04:05
7            76.2     16:05     54.1     02:10            7           95.2     14:40     67.3     23:40


Note F above, may help to  explain  as to why the mean and average T may not be equal for the FIRST ( and only first ) day of any month ( if you look at the FULL data set ).  Otherwise see the README file for all sorts of detailed information.

https://www.ncei.noaa.gov/pub/data/uscrn/products/daily01/README.txt
 

Going forward the USCRN will be the gold standard to answering a very important question, for the 48 contiguous states, Alaska and Hawaii.


As a part of the broader NCDC/NCEI transition, the USCRN website is migrating to 

https://www.ncei.noaa.gov/access/crn  .

 

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