| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.41 | 0.06 |
| Feb | 2.88 | 2.80 | 0.08 |
| Mar | 3.31 | 3.38 | -0.07 |
| Apr | 2.82 | 3.00 | -0.18 |
| May | 4.81 | 4.52 | 0.29 |
| Jun | 3.70 | 3.96 | -0.26 |
| Jul | 2.05 | 2.03 | 0.02 |
| Aug | 2.88 | 3.09 | -0.21 |
| Sep | 3.50 | 3.62 | -0.12 |
| Oct | 4.58 | 4.55 | 0.03 |
| Nov | 3.73 | 3.65 | 0.08 |
| Dec | 3.75 | 3.74 | 0.01 |
41.48 | 41.75 | -0.27 |