| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.94 | 4.85 | 0.09 |
| Feb | 4.59 | 4.63 | -0.04 |
| Mar | 5.32 | 5.22 | 0.10 |
| Apr | 4.66 | 4.54 | 0.12 |
| May | 4.26 | 4.11 | 0.15 |
| Jun | 4.16 | 4.43 | -0.27 |
| Jul | 4.38 | 4.58 | -0.20 |
| Aug | 4.20 | 3.82 | 0.38 |
| Sep | 4.05 | 4.14 | -0.09 |
| Oct | 3.37 | 3.40 | -0.03 |
| Nov | 4.28 | 4.21 | 0.07 |
| Dec | 5.49 | 5.33 | 0.16 |
53.70 | 53.26 | 0.44 |