| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.75 | 0.04 |
| Feb | 5.02 | 4.79 | 0.23 |
| Mar | 5.32 | 4.95 | 0.37 |
| Apr | 5.08 | 5.33 | -0.25 |
| May | 4.50 | 4.69 | -0.19 |
| Jun | 4.81 | 4.82 | -0.01 |
| Jul | 5.51 | 5.43 | 0.08 |
| Aug | 4.00 | 4.13 | -0.13 |
| Sep | 4.02 | 3.91 | 0.11 |
| Oct | 3.29 | 3.11 | 0.18 |
| Nov | 4.14 | 3.91 | 0.23 |
| Dec | 5.78 | 5.36 | 0.42 |
56.26 | 55.18 | 1.08 |