| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.57 | 0.14 |
| Feb | 3.30 | 3.26 | 0.04 |
| Mar | 4.26 | 4.26 | 0.00 |
| Apr | 4.25 | 4.23 | 0.02 |
| May | 3.61 | 3.58 | 0.03 |
| Jun | 4.33 | 4.12 | 0.21 |
| Jul | 3.70 | 3.70 | 0.00 |
| Aug | 4.19 | 4.09 | 0.10 |
| Sep | 4.10 | 3.89 | 0.21 |
| Oct | 4.97 | 4.92 | 0.05 |
| Nov | 3.94 | 3.69 | 0.25 |
| Dec | 4.41 | 4.52 | -0.11 |
48.77 | 47.83 | 0.94 |