| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.10 | -0.10 |
| Feb | 2.41 | 2.53 | -0.12 |
| Mar | 3.38 | 3.42 | -0.04 |
| Apr | 4.38 | 4.60 | -0.22 |
| May | 4.75 | 4.82 | -0.07 |
| Jun | 4.97 | 5.03 | -0.06 |
| Jul | 4.29 | 4.28 | 0.01 |
| Aug | 3.30 | 3.09 | 0.21 |
| Sep | 3.21 | 3.37 | -0.16 |
| Oct | 3.42 | 3.33 | 0.09 |
| Nov | 3.39 | 3.49 | -0.10 |
| Dec | 2.95 | 3.06 | -0.11 |
43.45 | 44.12 | -0.67 |