| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.02 | -0.01 |
| Feb | 2.48 | 2.43 | 0.05 |
| Mar | 3.34 | 3.29 | 0.05 |
| Apr | 3.94 | 3.76 | 0.18 |
| May | 4.07 | 4.10 | -0.03 |
| Jun | 4.54 | 4.70 | -0.16 |
| Jul | 4.19 | 4.15 | 0.04 |
| Aug | 3.50 | 3.49 | 0.01 |
| Sep | 3.27 | 3.30 | -0.03 |
| Oct | 2.93 | 2.82 | 0.11 |
| Nov | 2.88 | 2.84 | 0.04 |
| Dec | 3.02 | 2.97 | 0.05 |
41.17 | 40.87 | 0.30 |