| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.72 | 4.66 | 0.06 |
| Feb | 4.37 | 4.43 | -0.06 |
| Mar | 5.00 | 5.01 | -0.01 |
| Apr | 3.74 | 3.84 | -0.10 |
| May | 2.81 | 2.75 | 0.06 |
| Jun | 5.63 | 5.71 | -0.08 |
| Jul | 5.72 | 5.98 | -0.26 |
| Aug | 5.18 | 5.29 | -0.11 |
| Sep | 4.39 | 4.36 | 0.03 |
| Oct | 2.86 | 2.87 | -0.01 |
| Nov | 3.11 | 3.23 | -0.12 |
| Dec | 4.23 | 4.17 | 0.06 |
51.76 | 52.30 | -0.54 |