| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.96 | -0.21 |
| Feb | 4.44 | 4.54 | -0.10 |
| Mar | 4.70 | 4.80 | -0.10 |
| Apr | 5.00 | 5.10 | -0.10 |
| May | 5.29 | 5.31 | -0.02 |
| Jun | 4.51 | 4.25 | 0.26 |
| Jul | 4.44 | 4.53 | -0.09 |
| Aug | 3.67 | 3.20 | 0.47 |
| Sep | 3.34 | 3.50 | -0.16 |
| Oct | 3.89 | 4.00 | -0.11 |
| Nov | 3.96 | 3.91 | 0.05 |
| Dec | 4.72 | 4.88 | -0.16 |
51.71 | 51.98 | -0.27 |