Delaware Climate Data
We offer an Delaware Manual J for $79 in 4-6 hours. We can also offer Delaware Manual S $79 and Delaware Manual D $99.
Below is a collection of Delaware Climate Data and outdoor design conditions. We included an Delaware state average of each category at the bottom of the Manual J climate data table. We created this to allow an easy to use free resource for Manual J professionals to use on jobsites, in the field, and while calculating Manual J heat loss and heat gain reports. If you have a custom set of data from Delaware we would consider adding to the Delaware Climate Data table simply email it to plans@manualjs.com
We can also create a Manual J using climate data from the tables below. Email pdf plans, jobsite address, and square footage to plans@manualjs.com and we will get your Delaware Manual J taken care of.
| Delaware | Elevation in Feet | Latitude North Degrees | Heating 99% Outdoor Dry Bulb | Cooling Outdoor Air 1% Dry Bulb | Cooling Outdoor Air Coincident Wet Bulb | Cooling Design Grains 55% Relative Humidity Indoors | Cooling Design Grains 45% Relative Humidity Indoors | Cooling Design Grains 45% Relative Humidity Indoors | Daily Rating | Heating Design Days 65 degrees/Colling Design Days 50 degrees Ratio |
| Dover Air Force Base | 23 | 39 | 18 | 90 | 75 | 35 | 41 | 48 | M | 1.19 |
| Georgetown, Sussex Co. airport | 52 | 39 | 19 | 90 | 75 | 34 | 41 | 47 | M | 1.07 |
| Wilmington, New Castle Co. airport | 79 | 40 | 16 | 89 | 74 | 31 | 38 | 44 | M | 1.31 |
| District of Columbia | ||||||||||
| Andrews Air Force Base | 282 | 39 | 18 | 91 | 74 | 30 | 37 | 43 | M | 1.12 |
| Ronald Reagan airport | 66 | 39 | 20 | 92 | 75 | 34 | 41 | 47 | M | 0.91 |
| Delaware State Averages | 100.4 | 39.2 | 18.2 | 90.4 | 74.6 | 32.8 | 39.6 | 45.8 | M | 1.12 |
