| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 3.81 | 0.10 |
| Feb | 2.92 | 2.96 | -0.04 |
| Mar | 3.54 | 3.53 | 0.01 |
| Apr | 4.06 | 4.01 | 0.05 |
| May | 5.03 | 5.02 | 0.01 |
| Jun | 5.20 | 5.04 | 0.16 |
| Jul | 3.93 | 3.90 | 0.03 |
| Aug | 4.73 | 4.92 | -0.19 |
| Sep | 4.75 | 4.89 | -0.14 |
| Oct | 4.90 | 4.73 | 0.17 |
| Nov | 4.28 | 4.26 | 0.02 |
| Dec | 3.89 | 3.96 | -0.07 |
51.14 | 51.03 | 0.11 |