| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.72 | 0.02 |
| Feb | 2.35 | 2.24 | 0.11 |
| Mar | 3.26 | 3.14 | 0.12 |
| Apr | 4.03 | 4.03 | 0.00 |
| May | 4.48 | 4.29 | 0.19 |
| Jun | 4.78 | 4.57 | 0.21 |
| Jul | 4.06 | 4.06 | 0.00 |
| Aug | 3.49 | 3.52 | -0.03 |
| Sep | 3.06 | 3.08 | -0.02 |
| Oct | 3.04 | 2.96 | 0.08 |
| Nov | 3.27 | 3.17 | 0.10 |
| Dec | 2.75 | 2.67 | 0.08 |
41.31 | 40.45 | 0.86 |