| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.38 | 0.03 |
| Feb | 2.90 | 2.86 | 0.04 |
| Mar | 3.34 | 3.30 | 0.04 |
| Apr | 3.43 | 3.33 | 0.10 |
| May | 4.85 | 4.75 | 0.10 |
| Jun | 4.17 | 4.22 | -0.05 |
| Jul | 2.53 | 2.31 | 0.22 |
| Aug | 3.51 | 3.31 | 0.20 |
| Sep | 3.86 | 3.75 | 0.11 |
| Oct | 4.80 | 4.56 | 0.24 |
| Nov | 3.96 | 3.86 | 0.10 |
| Dec | 3.37 | 3.46 | -0.09 |
44.13 | 43.09 | 1.04 |