| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.09 | -0.01 |
| Feb | 2.88 | 2.83 | 0.05 |
| Mar | 4.25 | 4.21 | 0.04 |
| Apr | 5.05 | 4.83 | 0.22 |
| May | 5.83 | 5.67 | 0.16 |
| Jun | 4.62 | 4.34 | 0.28 |
| Jul | 3.84 | 3.60 | 0.24 |
| Aug | 3.95 | 3.72 | 0.23 |
| Sep | 4.40 | 3.75 | 0.65 |
| Oct | 4.43 | 4.24 | 0.19 |
| Nov | 4.26 | 4.10 | 0.16 |
| Dec | 3.72 | 3.67 | 0.05 |
50.31 | 48.05 | 2.26 |