| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.75 | -0.10 |
| Feb | 3.21 | 3.22 | -0.01 |
| Mar | 4.08 | 4.13 | -0.05 |
| Apr | 3.75 | 3.63 | 0.12 |
| May | 3.55 | 3.46 | 0.09 |
| Jun | 4.15 | 4.02 | 0.13 |
| Jul | 3.66 | 3.67 | -0.01 |
| Aug | 4.13 | 4.10 | 0.03 |
| Sep | 3.60 | 3.65 | -0.05 |
| Oct | 3.15 | 3.17 | -0.02 |
| Nov | 3.34 | 3.34 | 0.00 |
| Dec | 3.77 | 3.88 | -0.11 |
44.04 | 44.02 | 0.02 |