| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.65 | -0.02 |
| Feb | 3.05 | 2.97 | 0.08 |
| Mar | 4.13 | 4.14 | -0.01 |
| Apr | 3.63 | 3.68 | -0.05 |
| May | 3.62 | 3.62 | 0.00 |
| Jun | 4.18 | 4.23 | -0.05 |
| Jul | 4.61 | 4.52 | 0.09 |
| Aug | 4.40 | 4.40 | 0.00 |
| Sep | 5.01 | 5.06 | -0.05 |
| Oct | 3.37 | 3.43 | -0.06 |
| Nov | 3.29 | 3.36 | -0.07 |
| Dec | 3.61 | 3.51 | 0.10 |
46.53 | 46.57 | -0.04 |