| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.34 | -0.04 |
| Feb | 3.03 | 3.00 | 0.03 |
| Mar | 4.32 | 4.28 | 0.04 |
| Apr | 3.40 | 3.41 | -0.01 |
| May | 3.30 | 3.48 | -0.18 |
| Jun | 3.66 | 3.57 | 0.09 |
| Jul | 4.29 | 4.15 | 0.14 |
| Aug | 4.67 | 4.27 | 0.40 |
| Sep | 3.90 | 3.82 | 0.08 |
| Oct | 4.12 | 4.18 | -0.06 |
| Nov | 3.34 | 3.29 | 0.05 |
| Dec | 4.16 | 4.07 | 0.09 |
45.49 | 44.86 | 0.63 |