| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.11 | 5.07 | 0.04 |
| Feb | 5.38 | 5.17 | 0.21 |
| Mar | 5.33 | 5.27 | 0.06 |
| Apr | 4.70 | 4.87 | -0.17 |
| May | 4.21 | 4.37 | -0.16 |
| Jun | 4.64 | 4.77 | -0.13 |
| Jul | 4.30 | 4.29 | 0.01 |
| Aug | 4.01 | 3.97 | 0.04 |
| Sep | 3.77 | 3.84 | -0.07 |
| Oct | 3.34 | 3.36 | -0.02 |
| Nov | 4.18 | 4.27 | -0.09 |
| Dec | 5.14 | 5.15 | -0.01 |
54.11 | 54.40 | -0.29 |