Massachusetts Climate Data
We offer an Massachusetts Manual J for $79 in 4-6 hours. We can also offer Massachusetts Manual S $79 and Massachusetts Manual D $99.
Below is a collection of Massachusetts Climate Data and outdoor design conditions. We included an Massachusetts 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 Massachusetts we would consider adding to the Massachusetts 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 Massachusetts Manual J taken care of.
| Massachusetts | 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 |
| Centerville Harbor and Lewis bay) | 56 | 42 | 14 | 81 | 71 | 29 | 35 | 42 | L | 2.44 |
| Boston, Logan international airport | 30 | 42 | 12 | 88 | 72 | 21 | 28 | 34 | M | 1.91 |
| Buzzards Bay | 56 | 41 | 17 | 74 | 0 | 12 | 18 | 25 | L | 2.45 |
| Chatham Municipal airport | 62 | 42 | 16 | 79 | 71 | 29 | 35 | 42 | L | 2.33 |
| Clinton | 366 | 42 | 2 | 87 | 71 | 18 | 24 | 31 | M | 2.59 |
| Fall River (New Bedford DD) | 190 | 41 | 9 | 84 | 71 | 22 | 29 | 35 | M | 1.93 |
| Falmouth Area | 132 | 41 | 14 | 82 | 72 | 31 | 38 | 44 | M | 1.93 |
| Framingham | 197 | 42 | 6 | 86 | 71 | 19 | 26 | 32 | M | 2.16 |
| Gloucester (Boston DD) | 11 | 42 | 5 | 86 | 71 | 19 | 25 | 32 | L | 1.91 |
| Greenfield (Worcester DD) | 250 | 42 | –2 | 85 | 71 | 21 | 27 | 34 | M | 2.82 |
| Lawrence Municipal airport | 151 | 43 | 9 | 88 | 73 | 24 | 31 | 38 | M | 2.25 |
| Lowell | 102 | 42 | 1 | 88 | 72 | 21 | 28 | 34 | M | 2.6 |
| Marthas Vineyard | 69 | 41 | 12 | 81 | 71 | 26 | 33 | 39 | M | 2.58 |
| New Bedford Regional airport | 82 | 42 | 12 | 84 | 71 | 24 | 31 | 38 | M | 2.26 |
| Norwood Memorial | 49 | 42 | 9 | 88 | 73 | 29 | 36 | 42 | M | 2.42 |
| Otis ANG; Forestdale-Maspee | 131 | 42 | 13 | 82 | 71 | 26 | 33 | 39 | M | 2.36 |
| Pittsfield airport (Albany, NY, DD) | 1194 | 42 | –3 | 84 | 70 | 18 | 25 | 32 | M | 2.49 |
| Plymouth Municipal airport | 148 | 42 | 10 | 84 | 72 | 26 | 32 | 39 | M | 2.52 |
| Provincetown Automated Weather Observation System | 7 | 42 | 18 | 81 | 70 | 20 | 26 | 33 | L | 2.42 |
| South Weymouth Naval Auxilary Air Station | 161 | 42 | 10 | 88 | 72 | 23 | 30 | 37 | M | 2.09 |
| Springfield DD) | 195 | 42 | 0 | 87 | 71 | 17 | 24 | 30 | M | 2.92 |
| Tauton | 43 | 41 | 9 | 86 | 72 | 24 | 31 | 37 | M | 2.26 |
| (Boston DD) | 161 | 42 | 11 | 87 | 72 | 23 | 29 | 36 | M | 1.91 |
| Worcester Regional airport | 1017 | 42 | 6 | 83 | 70 | 19 | 26 | 32 | M | 2.82 |
| Massachusetts State Average | 202.5 | 41.8333333333 | 9.7727272727 | 84.2916666667 | 68.375 | 22.5416666667 | 29.1666666667 | 35.7083333333 | M | 2.34875 |
