| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.31 | 0.05 |
| Feb | 2.64 | 2.67 | -0.03 |
| Mar | 3.44 | 3.37 | 0.07 |
| Apr | 3.84 | 3.72 | 0.12 |
| May | 4.06 | 4.04 | 0.02 |
| Jun | 4.61 | 4.60 | 0.01 |
| Jul | 4.70 | 4.57 | 0.13 |
| Aug | 4.13 | 4.16 | -0.03 |
| Sep | 4.09 | 4.10 | -0.01 |
| Oct | 3.30 | 3.26 | 0.04 |
| Nov | 3.41 | 3.35 | 0.06 |
| Dec | 3.36 | 3.32 | 0.04 |
44.94 | 44.47 | 0.47 |