| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.70 | 0.00 |
| Feb | 3.33 | 3.42 | -0.09 |
| Mar | 4.22 | 4.23 | -0.01 |
| Apr | 4.09 | 4.00 | 0.09 |
| May | 4.82 | 4.98 | -0.16 |
| Jun | 5.11 | 4.90 | 0.21 |
| Jul | 5.12 | 5.40 | -0.28 |
| Aug | 3.77 | 3.81 | -0.04 |
| Sep | 3.67 | 3.64 | 0.03 |
| Oct | 3.34 | 3.41 | -0.07 |
| Nov | 3.16 | 3.20 | -0.04 |
| Dec | 3.88 | 3.89 | -0.01 |
48.21 | 48.58 | -0.37 |