Weather History for Hermiston, OR

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 80 °F 64 °F
Mean Temperature 79 °F 67 °F 56 °F
Min Temperature 70 °F 54 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 9 2 0 71
Cooling Degree Days (base 65) 14 4 0 122
Growing Degree Days (base 50) 29 17 6 502
Dew Point  
Dew Point 65 °F 50 °F 36 °F
Precipitation  
Precipitation 0.22 in 0.03 in 0.00 in 0.83 in
Snowdepth - - - -
Wind  
Wind 32 mph 7 mph 0 mph
Gust Wind 50 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.10 in 29.84 in 29.35 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2013 Rise Set
Actual Time 6:35 AM PDT 7:07 PM PDT
Civil Twilight 6:05 AM PDT 7:37 PM PDT
Nautical Twilight 5:30 AM PDT 8:12 PM PDT
Astronomical Twilight 4:53 AM PDT 8:49 PM PDT
Moon 4:47 PM PDT (9/15) 2:08 AM PDT (9/15)
Length of Visible Light 13h 31m
Length of Day
12h 31m
Waxing Gibbous, 83% of the Moon is Illuminated
Sep 15
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 0.83 Average Month Total: 0.30
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
93 | 57 0.00
Average:
83 | 52 0.00
Rain
Actual:
90 | 70 0.04
Average:
83 | 52 0.04
Clear
Actual:
91 | 64 0.00
Average:
81 | 51 0.00
Clear
Actual:
93 | 59 0.00
Average:
83 | 52 0.01
Rain
Actual:
84 | 60 0.22
Average:
84 | 53 0.00
Partly Cloudy
Actual:
73 | 57 0.00
Average:
83 | 52 0.00
Clear
Actual:
81 | 51 0.00
Average:
82 | 51 0.00
Scattered Clouds
Actual:
82 | 54 0.00
Average:
81 | 50 0.00
Clear
Actual:
89 | 53 0.00
Average:
81 | 50 0.00
Clear
Actual:
93 | 51 0.00
Average:
81 | 48 0.02
Clear
Actual:
95 | 54 0.00
Average:
80 | 50 0.01
Clear
Actual:
91 | 55 0.00
Average:
78 | 48 0.00
Clear
Actual:
93 | 59 0.00
Average:
77 | 44 0.01
Clear
Actual:
95 | 57 0.00
Average:
76 | 45 0.01
Rain
Actual:
97 | 59 0.01
Average:
77 | 46 0.00
Scattered Clouds
Actual:
78 | 61 0.00
Average:
77 | 47 0.01
Rain
Actual:
73 | 55 0.00
Average:
77 | 47 0.00
Scattered Clouds
Actual:
75 | 46 0.00
Average:
76 | 47 0.02
Clear
Actual:
81 | 42 0.00
Average:
75 | 48 0.04
Clear
Actual:
81 | 43 0.00
Average:
74 | 46 0.04
Rain
Actual:
73 | 55 0.00
Average:
75 | 45 0.00
Rain
Actual:
73 | 55 0.08
Average:
76 | 44 0.00
Partly Cloudy
Actual:
69 | 48 0.00
Average:
76 | 45 0.01
Rain
Actual:
64 | 50 0.06
Average:
75 | 44 0.03
Partly Cloudy
Actual:
68 | 46 0.00
Average:
75 | 45 0.00
Rain
Actual:
66 | 48 0.00
Average:
75 | 44 0.02
Rain
Actual:
66 | 48 0.15
Average:
74 | 44 0.02
Rain
Actual:
73 | 52 0.10
Average:
73 | 43 0.00
Rain
Actual:
68 | 52 0.06
Average:
74 | 42 0.01
Rain
Actual:
66 | 48 0.11
Average:
75 | 43 0.00
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 93 75 57 56 49 47 72 45 22 29.82 29.75 29.67 10 10 10 10 4 - 0.00  
2 90 79 70 65 55 50 81 48 31 29.84 29.78 29.71 10 10 10 10 7 - 0.04 Rain
3 91 77 64 60 56 49 84 53 25 29.90 29.86 29.82 10 10 10 12 5 - 0.00  
4 93 75 59 65 56 52 90 55 27 29.95 29.89 29.83 10 10 10 12 5 - 0.00  
5 84 71 60 64 56 53 87 64 41 29.95 29.87 29.76 10 10 2 22 6 31 0.22 Rain
6 73 64 57 56 52 48 81 64 49 30.09 30.04 29.97 10 10 10 17 9 24 0.00  
7 81 66 51 55 52 49 93 68 39 30.10 30.04 29.96 10 10 10 12 4 - 0.00  
8 82 68 54 56 53 50 90 63 35 30.07 30.01 29.94 10 10 9 8 2 - 0.00  
9 89 70 53 55 52 50 89 58 27 29.99 29.91 29.85 10 10 10 7 4 - 0.00  
10 93 72 51 56 52 49 92 55 22 29.97 29.90 29.84 10 10 10 9 4 - 0.00  
11 95 74 54 57 54 51 93 55 26 29.99 29.92 29.87 10 10 9 8 4 - 0.00  
12 91 73 55 57 54 52 87 57 27 29.94 29.87 29.80 10 10 4 6 1 - 0.00  
13 93 76 59 62 56 51 78 54 27 29.83 29.76 29.67 10 10 7 12 4 - 0.00  
14 95 75 57 58 55 51 81 52 28 29.80 29.72 29.65 10 10 10 14 4 - 0.00  
15 97 78 59 63 57 54 88 61 24 29.74 29.63 29.49 10 9 0 32 8 50 0.01 Rain
16 78 70 61 55 51 48 75 57 35 29.89 29.83 29.75 10 10 10 21 15 31 0.00  
17 73 64 55 52 49 45 86 65 38 29.86 29.78 29.71 10 10 10 21 7 31 0.00 Rain
18 75 64 46 46 42 38 83 51 28 30.05 29.97 29.87 10 10 10 21 12 29 0.00  
19 81 61 42 46 42 39 89 57 24 30.06 29.95 29.79 10 10 10 14 5 - 0.00  
20 81 62 43 48 43 39 89 54 25 29.78 29.65 29.53 10 10 10 14 3 - 0.00  
21 73 64 55 51 49 46 80 58 41 29.70 29.65 29.61 10 10 10 16 6 31 0.00 Rain
22 73 64 55 54 49 42 87 67 35 29.79 29.71 29.64 10 10 5 16 9 24 0.08 Rain
23 69 58 48 48 46 41 80 62 42 29.94 29.91 29.81 10 10 10 14 8 18 0.00  
24 64 56 50 50 46 41 89 69 46 29.92 29.85 29.80 10 10 10 15 8 20 0.06 Rain
25 68 57 46 45 42 36 83 62 31 29.89 29.82 29.78 10 10 10 13 7 20 0.00  
26 66 56 48 46 42 40 80 64 42 30.06 30.00 29.91 10 10 10 9 6 - 0.00 Rain
27 66 56 48 50 44 37 89 68 38 30.09 30.03 29.93 10 10 5 17 9 22 0.15 Rain
28 73 62 52 54 50 45 93 65 39 29.92 29.67 29.44 10 10 8 26 7 39 0.10 Rain
29 68 59 52 50 44 42 86 58 43 29.68 29.60 29.35 10 10 10 28 16 40 0.06 Rain
30 66 56 48 54 41 36 88 58 38 29.97 29.78 29.48 10 10 3 28 18 46 0.11 Rain