| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 2.96 | 0.16 |
| Feb | 2.55 | 2.39 | 0.16 |
| Mar | 3.37 | 3.18 | 0.19 |
| Apr | 3.93 | 3.91 | 0.02 |
| May | 3.90 | 4.01 | -0.11 |
| Jun | 4.47 | 4.56 | -0.09 |
| Jul | 4.27 | 4.44 | -0.17 |
| Aug | 4.59 | 4.65 | -0.06 |
| Sep | 4.35 | 4.21 | 0.14 |
| Oct | 4.22 | 4.19 | 0.03 |
| Nov | 3.31 | 3.36 | -0.05 |
| Dec | 3.33 | 3.38 | -0.05 |
45.41 | 45.24 | 0.17 |