| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.79 | 0.06 |
| Feb | 1.26 | 1.22 | 0.04 |
| Mar | 2.33 | 2.28 | 0.05 |
| Apr | 3.06 | 2.82 | 0.24 |
| May | 5.04 | 5.01 | 0.03 |
| Jun | 4.84 | 4.61 | 0.23 |
| Jul | 4.16 | 3.91 | 0.25 |
| Aug | 3.96 | 3.95 | 0.01 |
| Sep | 2.56 | 2.54 | 0.02 |
| Oct | 2.93 | 2.81 | 0.12 |
| Nov | 1.50 | 1.45 | 0.05 |
| Dec | 1.23 | 1.18 | 0.05 |
33.72 | 32.57 | 1.15 |