| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.60 | 0.00 |
| Feb | 2.47 | 2.35 | 0.12 |
| Mar | 4.06 | 4.04 | 0.02 |
| Apr | 4.62 | 4.85 | -0.23 |
| May | 5.58 | 5.51 | 0.07 |
| Jun | 4.16 | 4.13 | 0.03 |
| Jul | 3.78 | 4.25 | -0.47 |
| Aug | 3.21 | 3.09 | 0.12 |
| Sep | 4.18 | 4.16 | 0.02 |
| Oct | 3.66 | 3.62 | 0.04 |
| Nov | 3.83 | 3.90 | -0.07 |
| Dec | 2.94 | 3.02 | -0.08 |
45.09 | 45.52 | -0.43 |