| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 4.00 | -0.03 |
| Feb | 4.42 | 4.63 | -0.21 |
| Mar | 4.66 | 4.52 | 0.14 |
| Apr | 4.57 | 4.70 | -0.13 |
| May | 5.01 | 4.91 | 0.10 |
| Jun | 4.05 | 4.10 | -0.05 |
| Jul | 3.63 | 3.50 | 0.13 |
| Aug | 2.96 | 2.94 | 0.02 |
| Sep | 3.94 | 3.79 | 0.15 |
| Oct | 4.51 | 4.35 | 0.16 |
| Nov | 4.10 | 3.79 | 0.31 |
| Dec | 4.94 | 4.68 | 0.26 |
50.76 | 49.91 | 0.85 |