| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.00 | 0.02 |
| Feb | 2.46 | 2.40 | 0.06 |
| Mar | 3.32 | 3.27 | 0.05 |
| Apr | 3.94 | 3.75 | 0.19 |
| May | 4.08 | 4.09 | -0.01 |
| Jun | 4.57 | 4.75 | -0.18 |
| Jul | 4.17 | 4.13 | 0.04 |
| Aug | 3.51 | 3.52 | -0.01 |
| Sep | 3.26 | 3.27 | -0.01 |
| Oct | 2.92 | 2.83 | 0.09 |
| Nov | 2.88 | 2.84 | 0.04 |
| Dec | 3.02 | 2.95 | 0.07 |
41.15 | 40.80 | 0.35 |