| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.67 | -0.19 |
| Feb | 2.32 | 2.41 | -0.09 |
| Mar | 3.97 | 3.90 | 0.07 |
| Apr | 4.82 | 4.86 | -0.04 |
| May | 5.78 | 6.12 | -0.34 |
| Jun | 4.55 | 4.29 | 0.26 |
| Jul | 3.85 | 3.98 | -0.13 |
| Aug | 3.52 | 3.48 | 0.04 |
| Sep | 4.24 | 4.18 | 0.06 |
| Oct | 4.08 | 4.18 | -0.10 |
| Nov | 3.88 | 3.93 | -0.05 |
| Dec | 2.97 | 3.13 | -0.16 |
46.46 | 47.13 | -0.67 |