| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.19 | -0.17 |
| Feb | 3.50 | 3.65 | -0.15 |
| Mar | 5.00 | 5.28 | -0.28 |
| Apr | 4.47 | 4.59 | -0.12 |
| May | 3.45 | 3.54 | -0.09 |
| Jun | 3.93 | 4.03 | -0.10 |
| Jul | 3.32 | 3.34 | -0.02 |
| Aug | 3.64 | 3.72 | -0.08 |
| Sep | 4.06 | 3.93 | 0.13 |
| Oct | 4.55 | 4.85 | -0.30 |
| Nov | 4.27 | 4.36 | -0.09 |
| Dec | 4.78 | 5.05 | -0.27 |
48.99 | 50.53 | -1.54 |