| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.67 | 4.56 | 0.11 |
| Feb | 4.37 | 4.32 | 0.05 |
| Mar | 5.04 | 5.00 | 0.04 |
| Apr | 3.60 | 3.75 | -0.15 |
| May | 2.83 | 2.70 | 0.13 |
| Jun | 5.78 | 5.94 | -0.16 |
| Jul | 6.08 | 6.12 | -0.04 |
| Aug | 5.49 | 5.23 | 0.26 |
| Sep | 4.65 | 4.43 | 0.22 |
| Oct | 2.97 | 2.85 | 0.12 |
| Nov | 3.00 | 3.21 | -0.21 |
| Dec | 4.13 | 4.05 | 0.08 |
52.61 | 52.16 | 0.45 |