| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.95 | 0.06 |
| Feb | 2.47 | 2.45 | 0.02 |
| Mar | 3.57 | 3.55 | 0.02 |
| Apr | 4.16 | 4.08 | 0.08 |
| May | 4.43 | 4.49 | -0.06 |
| Jun | 4.60 | 4.42 | 0.18 |
| Jul | 4.27 | 4.25 | 0.02 |
| Aug | 3.09 | 3.07 | 0.02 |
| Sep | 2.98 | 2.90 | 0.08 |
| Oct | 2.90 | 2.86 | 0.04 |
| Nov | 2.89 | 2.82 | 0.07 |
| Dec | 3.07 | 3.04 | 0.03 |
41.44 | 40.88 | 0.56 |