| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.52 | -0.01 |
| Feb | 2.36 | 2.21 | 0.15 |
| Mar | 4.00 | 3.79 | 0.21 |
| Apr | 4.70 | 4.65 | 0.05 |
| May | 6.11 | 5.76 | 0.35 |
| Jun | 4.81 | 4.49 | 0.32 |
| Jul | 3.96 | 3.82 | 0.14 |
| Aug | 3.32 | 3.34 | -0.02 |
| Sep | 4.52 | 4.62 | -0.10 |
| Oct | 3.90 | 3.80 | 0.10 |
| Nov | 3.78 | 3.75 | 0.03 |
| Dec | 2.97 | 2.88 | 0.09 |
46.94 | 45.63 | 1.31 |