| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.32 | 1.27 | 0.05 |
| Feb | 1.52 | 1.50 | 0.02 |
| Mar | 2.65 | 2.63 | 0.02 |
| Apr | 3.81 | 3.58 | 0.23 |
| May | 4.88 | 4.88 | 0.00 |
| Jun | 4.72 | 4.77 | -0.05 |
| Jul | 3.36 | 3.33 | 0.03 |
| Aug | 3.35 | 3.30 | 0.05 |
| Sep | 3.38 | 3.41 | -0.03 |
| Oct | 3.37 | 3.34 | 0.03 |
| Nov | 2.21 | 2.06 | 0.15 |
| Dec | 1.79 | 1.75 | 0.04 |
36.36 | 35.82 | 0.54 |