| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.11 | 0.08 |
| Feb | 2.72 | 2.76 | -0.04 |
| Mar | 3.85 | 3.84 | 0.01 |
| Apr | 3.35 | 3.34 | 0.01 |
| May | 4.13 | 4.07 | 0.06 |
| Jun | 4.03 | 4.13 | -0.10 |
| Jul | 4.29 | 4.28 | 0.01 |
| Aug | 4.06 | 4.08 | -0.02 |
| Sep | 4.46 | 4.31 | 0.15 |
| Oct | 3.74 | 3.64 | 0.10 |
| Nov | 3.28 | 3.24 | 0.04 |
| Dec | 3.55 | 3.59 | -0.04 |
44.65 | 44.39 | 0.26 |