| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 3.79 | 0.03 |
| Feb | 4.25 | 4.26 | -0.01 |
| Mar | 5.23 | 5.22 | 0.01 |
| Apr | 5.68 | 5.66 | 0.02 |
| May | 5.80 | 5.59 | 0.21 |
| Jun | 3.92 | 3.89 | 0.03 |
| Jul | 4.03 | 3.99 | 0.04 |
| Aug | 3.70 | 3.37 | 0.33 |
| Sep | 3.51 | 3.60 | -0.09 |
| Oct | 4.54 | 4.58 | -0.04 |
| Nov | 4.94 | 5.13 | -0.19 |
| Dec | 5.05 | 5.17 | -0.12 |
54.47 | 54.25 | 0.22 |