| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.48 | 0.24 |
| Feb | 3.17 | 2.97 | 0.20 |
| Mar | 3.72 | 3.66 | 0.06 |
| Apr | 4.25 | 3.82 | 0.43 |
| May | 4.11 | 3.98 | 0.13 |
| Jun | 4.65 | 4.61 | 0.04 |
| Jul | 4.36 | 4.23 | 0.13 |
| Aug | 4.05 | 4.07 | -0.02 |
| Sep | 3.95 | 3.93 | 0.02 |
| Oct | 4.95 | 5.01 | -0.06 |
| Nov | 3.82 | 3.69 | 0.13 |
| Dec | 4.51 | 4.24 | 0.27 |
49.26 | 47.69 | 1.57 |