| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.08 | -0.10 |
| Feb | 3.32 | 3.31 | 0.01 |
| Mar | 4.28 | 4.59 | -0.31 |
| Apr | 4.67 | 4.60 | 0.07 |
| May | 4.90 | 4.82 | 0.08 |
| Jun | 5.20 | 4.95 | 0.25 |
| Jul | 4.90 | 4.67 | 0.23 |
| Aug | 4.25 | 4.26 | -0.01 |
| Sep | 5.10 | 5.11 | -0.01 |
| Oct | 3.83 | 3.69 | 0.14 |
| Nov | 4.00 | 3.70 | 0.30 |
| Dec | 3.97 | 4.04 | -0.07 |
52.40 | 51.82 | 0.58 |