| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.33 | 0.22 |
| Feb | 3.74 | 3.57 | 0.17 |
| Mar | 4.51 | 4.46 | 0.05 |
| Apr | 4.68 | 4.76 | -0.08 |
| May | 4.87 | 4.68 | 0.19 |
| Jun | 4.82 | 4.77 | 0.05 |
| Jul | 5.16 | 4.79 | 0.37 |
| Aug | 5.40 | 4.99 | 0.41 |
| Sep | 4.99 | 4.78 | 0.21 |
| Oct | 4.30 | 4.03 | 0.27 |
| Nov | 4.06 | 3.82 | 0.24 |
| Dec | 4.52 | 4.48 | 0.04 |
55.60 | 53.46 | 2.14 |