| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 2.81 | 0.07 |
| Feb | 2.25 | 2.16 | 0.09 |
| Mar | 3.47 | 3.32 | 0.15 |
| Apr | 3.38 | 3.23 | 0.15 |
| May | 4.36 | 4.01 | 0.35 |
| Jun | 4.30 | 4.09 | 0.21 |
| Jul | 4.31 | 4.07 | 0.24 |
| Aug | 3.79 | 3.79 | 0.00 |
| Sep | 4.27 | 4.04 | 0.23 |
| Oct | 2.87 | 2.52 | 0.35 |
| Nov | 2.79 | 2.62 | 0.17 |
| Dec | 3.14 | 2.98 | 0.16 |
41.81 | 39.64 | 2.17 |