| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.19 | -0.12 |
| Feb | 2.64 | 2.80 | -0.16 |
| Mar | 3.90 | 4.02 | -0.12 |
| Apr | 3.48 | 3.52 | -0.04 |
| May | 4.34 | 4.27 | 0.07 |
| Jun | 4.27 | 4.29 | -0.02 |
| Jul | 4.41 | 4.18 | 0.23 |
| Aug | 3.76 | 3.88 | -0.12 |
| Sep | 4.43 | 4.43 | 0.00 |
| Oct | 3.83 | 4.07 | -0.24 |
| Nov | 3.21 | 3.32 | -0.11 |
| Dec | 3.62 | 3.87 | -0.25 |
44.96 | 45.84 | -0.88 |