| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.69 | -0.10 |
| Feb | 2.39 | 2.47 | -0.08 |
| Mar | 4.13 | 4.03 | 0.10 |
| Apr | 4.84 | 4.94 | -0.10 |
| May | 5.72 | 5.99 | -0.27 |
| Jun | 4.39 | 4.46 | -0.07 |
| Jul | 3.86 | 4.00 | -0.14 |
| Aug | 3.60 | 3.32 | 0.28 |
| Sep | 4.15 | 4.16 | -0.01 |
| Oct | 4.17 | 4.04 | 0.13 |
| Nov | 3.99 | 4.01 | -0.02 |
| Dec | 3.13 | 3.19 | -0.06 |
46.96 | 47.30 | -0.34 |