| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.63 | 0.10 |
| Feb | 2.38 | 2.44 | -0.06 |
| Mar | 2.97 | 2.85 | 0.12 |
| Apr | 3.47 | 3.29 | 0.18 |
| May | 3.44 | 3.34 | 0.10 |
| Jun | 4.26 | 4.02 | 0.24 |
| Jul | 4.09 | 3.89 | 0.20 |
| Aug | 4.24 | 3.98 | 0.26 |
| Sep | 3.47 | 3.04 | 0.43 |
| Oct | 3.88 | 3.62 | 0.26 |
| Nov | 3.03 | 2.88 | 0.15 |
| Dec | 3.17 | 3.13 | 0.04 |
41.13 | 39.11 | 2.02 |