| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.75 | -0.16 |
| Feb | 3.61 | 3.74 | -0.13 |
| Mar | 4.60 | 4.73 | -0.13 |
| Apr | 4.47 | 4.60 | -0.13 |
| May | 4.82 | 5.08 | -0.26 |
| Jun | 4.53 | 4.82 | -0.29 |
| Jul | 4.73 | 4.94 | -0.21 |
| Aug | 3.56 | 3.14 | 0.42 |
| Sep | 3.84 | 3.58 | 0.26 |
| Oct | 3.32 | 3.05 | 0.27 |
| Nov | 3.08 | 2.96 | 0.12 |
| Dec | 4.05 | 4.11 | -0.06 |
48.20 | 48.50 | -0.30 |