| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.59 | 0.15 |
| Feb | 2.44 | 2.33 | 0.11 |
| Mar | 3.07 | 2.98 | 0.09 |
| Apr | 3.30 | 3.21 | 0.09 |
| May | 3.55 | 3.35 | 0.20 |
| Jun | 4.25 | 4.39 | -0.14 |
| Jul | 4.05 | 4.19 | -0.14 |
| Aug | 3.93 | 4.07 | -0.14 |
| Sep | 3.84 | 3.71 | 0.13 |
| Oct | 4.08 | 4.05 | 0.03 |
| Nov | 2.91 | 2.85 | 0.06 |
| Dec | 3.36 | 3.35 | 0.01 |
41.52 | 41.07 | 0.45 |