| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.36 | -0.15 |
| Feb | 2.71 | 2.75 | -0.04 |
| Mar | 4.25 | 4.42 | -0.17 |
| Apr | 3.52 | 3.63 | -0.11 |
| May | 3.93 | 4.24 | -0.31 |
| Jun | 4.34 | 4.58 | -0.24 |
| Jul | 4.70 | 4.88 | -0.18 |
| Aug | 4.21 | 4.33 | -0.12 |
| Sep | 4.68 | 4.93 | -0.25 |
| Oct | 3.99 | 4.59 | -0.60 |
| Nov | 3.38 | 3.42 | -0.04 |
| Dec | 3.89 | 4.19 | -0.30 |
46.81 | 49.32 | -2.51 |