| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.15 | -0.02 |
| Feb | 2.97 | 3.03 | -0.06 |
| Mar | 4.26 | 4.21 | 0.05 |
| Apr | 5.32 | 5.18 | 0.14 |
| May | 5.08 | 5.09 | -0.01 |
| Jun | 4.40 | 4.38 | 0.02 |
| Jul | 3.87 | 3.77 | 0.10 |
| Aug | 3.17 | 3.03 | 0.14 |
| Sep | 3.24 | 3.14 | 0.10 |
| Oct | 3.52 | 3.48 | 0.04 |
| Nov | 4.12 | 4.06 | 0.06 |
| Dec | 3.39 | 3.50 | -0.11 |
46.47 | 46.02 | 0.45 |