| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.01 | 0.08 |
| Feb | 2.75 | 2.78 | -0.03 |
| Mar | 3.61 | 3.57 | 0.04 |
| Apr | 3.73 | 3.73 | 0.00 |
| May | 4.35 | 4.41 | -0.06 |
| Jun | 4.10 | 4.24 | -0.14 |
| Jul | 4.11 | 3.92 | 0.19 |
| Aug | 3.52 | 3.41 | 0.11 |
| Sep | 3.82 | 3.43 | 0.39 |
| Oct | 2.99 | 2.88 | 0.11 |
| Nov | 2.97 | 2.82 | 0.15 |
| Dec | 3.29 | 3.26 | 0.03 |
42.33 | 41.46 | 0.87 |