| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.16 | -0.05 |
| Feb | 3.02 | 3.13 | -0.11 |
| Mar | 4.07 | 3.98 | 0.09 |
| Apr | 3.68 | 3.68 | 0.00 |
| May | 4.54 | 4.49 | 0.05 |
| Jun | 4.21 | 4.36 | -0.15 |
| Jul | 4.78 | 4.60 | 0.18 |
| Aug | 3.62 | 3.61 | 0.01 |
| Sep | 3.61 | 3.57 | 0.04 |
| Oct | 3.00 | 3.00 | 0.00 |
| Nov | 2.83 | 2.85 | -0.02 |
| Dec | 3.63 | 3.64 | -0.01 |
44.10 | 44.07 | 0.03 |