Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
762
CDUS45 KRIW 130732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SUN SEP 13 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 3:37 PM 94 1990 78 3 76
MINIMUM 38 5:49 AM 25 2014 44 -6 46
AVERAGE 60 61 -1
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 1957 0.03 -0.03 T
MONTH TO DATE 0.01 0.30 -0.29 0.01
SINCE SEP 1 0.01 0.30 -0.29 0.01
SINCE JAN 1 6.35 9.13 -2.78 7.32
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1949 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.2 -0.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 5 6 -1 4
MONTH TO DATE 13 49 -36 36
SINCE SEP 1 13 49 -36 36
SINCE JUL 1 18 94 -76 46
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 41 22 19 15
SINCE SEP 1 41 22 19 15
SINCE JAN 1 634 434 200 465
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 6:00 AM
LOWEST 23 5:00 PM
AVERAGE 56
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 89 1981
2006
MINIMUM TEMPERATURE (F) 43 23 1949
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:44 AM MDT SUNSET 7:19 PM MDT
SEPTEMBER 14 2026.....SUNRISE 6:45 AM MDT SUNSET 7:17 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$