| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.95 | -0.02 |
| Feb | 4.45 | 4.50 | -0.05 |
| Mar | 5.10 | 5.07 | 0.03 |
| Apr | 5.30 | 5.21 | 0.09 |
| May | 5.25 | 5.60 | -0.35 |
| Jun | 4.62 | 4.41 | 0.21 |
| Jul | 4.54 | 4.52 | 0.02 |
| Aug | 3.33 | 3.34 | -0.01 |
| Sep | 3.53 | 3.49 | 0.04 |
| Oct | 3.64 | 3.89 | -0.25 |
| Nov | 4.19 | 4.13 | 0.06 |
| Dec | 4.80 | 4.80 | 0.00 |
52.68 | 52.91 | -0.23 |