| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.05 | 0.02 |
| Feb | 2.51 | 2.51 | 0.00 |
| Mar | 3.14 | 3.06 | 0.08 |
| Apr | 3.44 | 3.35 | 0.09 |
| May | 4.58 | 4.59 | -0.01 |
| Jun | 4.14 | 3.90 | 0.24 |
| Jul | 2.05 | 2.11 | -0.06 |
| Aug | 3.18 | 2.77 | 0.41 |
| Sep | 3.52 | 3.49 | 0.03 |
| Oct | 4.56 | 4.42 | 0.14 |
| Nov | 3.44 | 3.51 | -0.07 |
| Dec | 3.07 | 3.08 | -0.01 |
40.70 | 39.84 | 0.86 |