| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.80 | 4.66 | 0.14 |
| Feb | 4.76 | 4.75 | 0.01 |
| Mar | 4.86 | 4.83 | 0.03 |
| Apr | 3.97 | 4.04 | -0.07 |
| May | 3.75 | 3.84 | -0.09 |
| Jun | 4.44 | 4.36 | 0.08 |
| Jul | 4.92 | 4.96 | -0.04 |
| Aug | 4.29 | 4.39 | -0.10 |
| Sep | 3.96 | 4.02 | -0.06 |
| Oct | 3.48 | 3.48 | 0.00 |
| Nov | 4.05 | 4.18 | -0.13 |
| Dec | 4.68 | 4.67 | 0.01 |
51.96 | 52.18 | -0.22 |