| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.12 | -0.13 |
| Feb | 2.65 | 2.77 | -0.12 |
| Mar | 3.70 | 3.85 | -0.15 |
| Apr | 3.39 | 3.44 | -0.05 |
| May | 4.21 | 4.49 | -0.28 |
| Jun | 4.22 | 4.46 | -0.24 |
| Jul | 4.50 | 4.67 | -0.17 |
| Aug | 3.65 | 3.77 | -0.12 |
| Sep | 4.29 | 4.50 | -0.21 |
| Oct | 3.80 | 3.98 | -0.18 |
| Nov | 3.09 | 3.21 | -0.12 |
| Dec | 3.61 | 3.63 | -0.02 |
44.10 | 45.89 | -1.79 |