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
313
CDUS45 KRIW 170733
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT THU JUL 17 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 16 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 4:53 PM 104 2005 90 -20 90
MINIMUM 55 5:30 AM 43 1983 54 1 55
AVERAGE 63 72 -9
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 1947 0.05 -0.05 T
MONTH TO DATE 0.45 0.62 -0.17 0.18
SINCE JUN 1 0.98 1.96 -0.98 0.98
SINCE JAN 1 5.90 7.47 -1.57 6.24
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 0 2 0
MONTH TO DATE 5 9 -4 16
SINCE JUN 1 96 135 -39 70
SINCE JUL 1 5 9 -4 16
COOLING
YESTERDAY 0 7 -7 8
MONTH TO DATE 108 88 20 84
SINCE JUN 1 183 139 44 187
SINCE JAN 1 183 143 40 190
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 57 5:00 PM
AVERAGE 77
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 101 2023
MINIMUM TEMPERATURE (F) 54 43 1982
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:43 AM MDT SUNSET 8:41 PM MDT
JULY 18 2025..........SUNRISE 5:44 AM MDT SUNSET 8:40 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$