| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.60 | 0.24 |
| Feb | 4.22 | 4.13 | 0.09 |
| Mar | 4.67 | 4.75 | -0.08 |
| Apr | 4.70 | 4.76 | -0.06 |
| May | 5.21 | 5.17 | 0.04 |
| Jun | 4.02 | 3.85 | 0.17 |
| Jul | 3.44 | 3.26 | 0.18 |
| Aug | 2.95 | 3.04 | -0.09 |
| Sep | 3.81 | 3.78 | 0.03 |
| Oct | 4.60 | 4.67 | -0.07 |
| Nov | 4.07 | 4.17 | -0.10 |
| Dec | 4.84 | 4.95 | -0.11 |
50.37 | 50.13 | 0.24 |