| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.04 | -0.01 |
| Feb | 3.12 | 3.14 | -0.02 |
| Mar | 3.59 | 3.59 | 0.00 |
| Apr | 3.82 | 3.69 | 0.13 |
| May | 5.04 | 5.04 | 0.00 |
| Jun | 5.01 | 4.87 | 0.14 |
| Jul | 3.73 | 3.59 | 0.14 |
| Aug | 4.40 | 4.45 | -0.05 |
| Sep | 4.18 | 4.46 | -0.28 |
| Oct | 5.18 | 5.03 | 0.15 |
| Nov | 4.34 | 4.47 | -0.13 |
| Dec | 4.07 | 4.07 | 0.00 |
50.51 | 50.44 | 0.07 |