History for Norfolk NAS, VA on Tuesday, May 21, 2013
| Daily Summary | |||
| Actual | Average (KORF) | Record (KORF) | |
| Temperature | |||
| Mean Temperature | 76 °F | 68 °F | |
| Max Temperature | 82 °F | 77 °F | 94 °F (1996) |
| Min Temperature | 71 °F | 59 °F | 45 °F (1956) |
| Degree Days | |||
| Heating Degree Days | 0 | 2 | |
| Month to date heating degree days | 61 | ||
| Since 1 July heating degree days | 3361 | ||
| Cooling Degree Days | 12 | 5 | |
| Month to date cooling degree days | 65 | ||
| Year to date cooling degree days | 109 | ||
| Growing Degree Days | 26 (Base 50) | ||
| Moisture | |||
| Dew Point | 74 °F | ||
| Average Humidity | 93 | ||
| Maximum Humidity | 100 | ||
| Minimum Humidity | 80 | ||
| Precipitation | |||
| Precipitation | 0.00 in | 0.11 in | 2.13 in (1895) |
| Month to date precipitation | 2.20 | ||
| Year to date precipitation | 15.81 | ||
| Snow | |||
| Snow | - | 0.00 in | 0.00 in (2002) |
| Month to date snowfall | 0.0 | ||
| Since 1 July snowfall | 5.8 | ||
| Snow Depth | - | ||
| Sea Level Pressure | |||
| Sea Level Pressure | 30.02 in | ||
| Wind | |||
| Wind Speed | 6 mph () | ||
| Max Wind Speed | 9 mph | ||
| Max Gust Speed | - | ||
| Visibility | 9.4 miles | ||
| Events | Thunderstorm | ||
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Click here for data from the nearest station with official NWS data (KORF). |
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| Key: T is trace of precipitation, MM is missing value | |||
| Source: Averaged Metar Reports | |||
| Time (EDT) | Temp. | Dew Point | Humidity | Sea Level Pressure | Visibility | Wind Direction | Wind Speed | Gust Speed | Precip. | Events | Conditions |
| 12:59 AM | 72.0 °F | 70.0 °F | 93% | 30.05 in | 10.0 miles | SSW | 9.2 mph | - | N/A | Partly Cloudy | |
| 2:59 AM | 71.1 °F | 69.3 °F | 94% | 30.04 in | 9.0 miles | South | 4.6 mph | - | N/A | Mostly Cloudy | |
| 3:59 AM | 71.1 °F | 67.8 °F | 89% | 30.04 in | 10.0 miles | South | 5.8 mph | - | N/A | Mostly Cloudy | |
| 4:59 AM | 71.1 °F | 68.4 °F | 91% | 30.03 in | 8.0 miles | SSW | 5.8 mph | - | N/A | Overcast | |
| 5:59 AM | 71.1 °F | 69.8 °F | 96% | 30.05 in | 10.0 miles | SSW | 5.8 mph | - | N/A | Overcast | |
| 6:59 AM | 72.0 °F | 70.7 °F | 96% | 30.06 in | 10.0 miles | SSW | 5.8 mph | - | N/A | Mostly Cloudy | |
| 7:59 AM | 73.0 °F | 71.8 °F | 96% | 30.06 in | 10.0 miles | South | 8.1 mph | - | N/A | Mostly Cloudy | |
| 8:06 AM | 73.4 °F | 71.6 °F | 94% | 30.06 in | 10.0 miles | SSW | 8.1 mph | - | N/A | Mostly Cloudy | |
| 8:59 AM | 73.0 °F | 72.5 °F | 98% | 30.07 in | 10.0 miles | Variable | 5.8 mph | - | N/A | Mostly Cloudy | |
| 9:59 AM | 73.9 °F | 73.0 °F | 97% | 30.06 in | 10.0 miles | SW | 5.8 mph | - | N/A | Mostly Cloudy | |
| 10:59 AM | 75.0 °F | 73.8 °F | 96% | 30.04 in | 10.0 miles | SSW | 6.9 mph | - | N/A | Mostly Cloudy | |
| 11:59 AM | 80.1 °F | 73.2 °F | 80% | 30.04 in | 10.0 miles | SSW | 8.1 mph | - | N/A | Mostly Cloudy | |
| 12:59 PM | 82.0 °F | 77.7 °F | 87% | 30.02 in | 10.0 miles | SW | 6.9 mph | - | N/A | Mostly Cloudy | |
| 1:59 PM | 82.0 °F | 78.3 °F | 88% | 30.01 in | 10.0 miles | Variable | 6.9 mph | - | N/A | Mostly Cloudy | |
| 2:59 PM | 82.0 °F | 82.0 °F | 100% | 30.00 in | 10.0 miles | West | 6.9 mph | - | N/A | Mostly Cloudy | |
| 3:59 PM | 80.1 °F | 78.1 °F | 94% | 29.98 in | 10.0 miles | West | 6.9 mph | - | N/A | Mostly Cloudy | |
| 4:59 PM | 80.1 °F | 78.8 °F | 96% | 29.96 in | 7.0 miles | West | 6.9 mph | - | N/A | Mostly Cloudy | |
| 5:11 PM | 80.1 °F | 78.8 °F | 96% | 29.96 in | 8.0 miles | Calm | Calm | - | N/A | Thunderstorm | Mostly Cloudy |
| 5:59 PM | 80.1 °F | 76.6 °F | 89% | 29.97 in | 7.0 miles | South | 5.8 mph | - | N/A | Thunderstorm | Mostly Cloudy |
| 6:59 PM | 77.0 °F | 74.8 °F | 93% | 29.97 in | 9.0 miles | SSE | 8.1 mph | - | N/A | Thunderstorm | Mostly Cloudy |
| 7:59 PM | 77.0 °F | 73.6 °F | 89% | 29.97 in | 9.0 miles | Variable | 4.6 mph | - | N/A | Mostly Cloudy |
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