| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 4.10 | -0.14 |
| Feb | 4.30 | 4.43 | -0.13 |
| Mar | 5.26 | 5.17 | 0.09 |
| Apr | 5.54 | 5.74 | -0.20 |
| May | 5.17 | 4.95 | 0.22 |
| Jun | 3.53 | 3.46 | 0.07 |
| Jul | 3.48 | 3.63 | -0.15 |
| Aug | 3.33 | 3.41 | -0.08 |
| Sep | 3.24 | 3.60 | -0.36 |
| Oct | 4.36 | 4.45 | -0.09 |
| Nov | 4.30 | 4.35 | -0.05 |
| Dec | 5.28 | 5.73 | -0.45 |
51.75 | 53.02 | -1.27 |