| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.33 | 0.03 |
| Feb | 3.43 | 3.36 | 0.07 |
| Mar | 4.84 | 4.80 | 0.04 |
| Apr | 5.34 | 5.32 | 0.02 |
| May | 5.39 | 5.69 | -0.30 |
| Jun | 3.55 | 3.88 | -0.33 |
| Jul | 3.98 | 3.81 | 0.17 |
| Aug | 3.53 | 3.79 | -0.26 |
| Sep | 3.72 | 3.60 | 0.12 |
| Oct | 3.86 | 3.54 | 0.32 |
| Nov | 4.75 | 5.23 | -0.48 |
| Dec | 4.16 | 4.10 | 0.06 |
49.91 | 50.45 | -0.54 |