| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 4.01 | -0.13 |
| Feb | 3.41 | 3.69 | -0.28 |
| Mar | 4.63 | 4.52 | 0.11 |
| Apr | 4.13 | 4.09 | 0.04 |
| May | 3.35 | 3.29 | 0.06 |
| Jun | 3.37 | 3.39 | -0.02 |
| Jul | 2.70 | 2.76 | -0.06 |
| Aug | 3.50 | 3.28 | 0.22 |
| Sep | 3.95 | 3.81 | 0.14 |
| Oct | 4.59 | 4.44 | 0.15 |
| Nov | 4.16 | 3.90 | 0.26 |
| Dec | 4.72 | 4.95 | -0.23 |
46.39 | 46.13 | 0.26 |