| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.39 | -0.01 |
| Feb | 3.22 | 3.18 | 0.04 |
| Mar | 3.99 | 4.01 | -0.02 |
| Apr | 3.76 | 3.81 | -0.05 |
| May | 4.45 | 4.44 | 0.01 |
| Jun | 4.63 | 4.63 | 0.00 |
| Jul | 4.66 | 4.68 | -0.02 |
| Aug | 3.68 | 3.64 | 0.04 |
| Sep | 3.44 | 3.41 | 0.03 |
| Oct | 3.03 | 3.09 | -0.06 |
| Nov | 2.93 | 2.92 | 0.01 |
| Dec | 3.52 | 3.58 | -0.06 |
44.69 | 44.78 | -0.09 |