| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 4.15 | 0.01 |
| Feb | 3.68 | 3.58 | 0.10 |
| Mar | 5.18 | 5.21 | -0.03 |
| Apr | 4.50 | 4.61 | -0.11 |
| May | 3.59 | 3.52 | 0.07 |
| Jun | 3.97 | 3.90 | 0.07 |
| Jul | 3.29 | 3.39 | -0.10 |
| Aug | 3.66 | 3.72 | -0.06 |
| Sep | 4.03 | 3.94 | 0.09 |
| Oct | 4.85 | 4.99 | -0.14 |
| Nov | 4.39 | 4.37 | 0.02 |
| Dec | 4.86 | 5.06 | -0.20 |
50.16 | 50.44 | -0.28 |