| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.15 | -0.13 |
| Feb | 2.37 | 2.43 | -0.06 |
| Mar | 3.41 | 3.42 | -0.01 |
| Apr | 4.30 | 4.31 | -0.01 |
| May | 4.37 | 4.50 | -0.13 |
| Jun | 4.62 | 4.52 | 0.10 |
| Jul | 4.05 | 3.90 | 0.15 |
| Aug | 3.14 | 2.93 | 0.21 |
| Sep | 2.97 | 3.04 | -0.07 |
| Oct | 3.03 | 3.03 | 0.00 |
| Nov | 2.98 | 2.99 | -0.01 |
| Dec | 3.06 | 3.16 | -0.10 |
41.32 | 41.38 | -0.06 |