| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 3.98 | -0.15 |
| Feb | 3.94 | 4.03 | -0.09 |
| Mar | 4.40 | 4.26 | 0.14 |
| Apr | 4.22 | 4.28 | -0.06 |
| May | 3.94 | 3.73 | 0.21 |
| Jun | 4.09 | 3.90 | 0.19 |
| Jul | 4.70 | 4.73 | -0.03 |
| Aug | 3.64 | 3.52 | 0.12 |
| Sep | 3.06 | 3.00 | 0.06 |
| Oct | 2.72 | 2.45 | 0.27 |
| Nov | 3.18 | 3.05 | 0.13 |
| Dec | 4.26 | 4.36 | -0.10 |
45.98 | 45.29 | 0.69 |