| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.84 | 0.17 |
| Feb | 2.30 | 2.22 | 0.08 |
| Mar | 3.20 | 3.10 | 0.10 |
| Apr | 4.14 | 4.11 | 0.03 |
| May | 4.67 | 4.62 | 0.05 |
| Jun | 4.56 | 4.53 | 0.03 |
| Jul | 4.59 | 4.58 | 0.01 |
| Aug | 3.42 | 3.37 | 0.05 |
| Sep | 3.28 | 3.19 | 0.09 |
| Oct | 2.88 | 2.82 | 0.06 |
| Nov | 3.13 | 3.03 | 0.10 |
| Dec | 3.01 | 2.96 | 0.05 |
42.19 | 41.37 | 0.82 |