| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.81 | -0.10 |
| Feb | 3.20 | 3.18 | 0.02 |
| Mar | 3.71 | 3.71 | 0.00 |
| Apr | 3.29 | 3.40 | -0.11 |
| May | 3.45 | 3.46 | -0.01 |
| Jun | 4.28 | 4.11 | 0.17 |
| Jul | 4.59 | 4.59 | 0.00 |
| Aug | 4.54 | 4.75 | -0.21 |
| Sep | 4.25 | 4.35 | -0.10 |
| Oct | 3.51 | 3.42 | 0.09 |
| Nov | 3.27 | 3.27 | 0.00 |
| Dec | 3.74 | 3.80 | -0.06 |
45.54 | 45.85 | -0.31 |