| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.68 | -0.04 |
| Feb | 1.71 | 1.89 | -0.18 |
| Mar | 3.25 | 3.19 | 0.06 |
| Apr | 4.45 | 4.16 | 0.29 |
| May | 5.57 | 5.88 | -0.31 |
| Jun | 4.71 | 4.65 | 0.06 |
| Jul | 3.78 | 3.72 | 0.06 |
| Aug | 3.46 | 3.44 | 0.02 |
| Sep | 3.91 | 3.74 | 0.17 |
| Oct | 3.57 | 3.61 | -0.04 |
| Nov | 2.81 | 2.72 | 0.09 |
| Dec | 2.35 | 2.32 | 0.03 |
41.21 | 41.00 | 0.21 |