| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.60 | -0.18 |
| Feb | 2.09 | 2.00 | 0.09 |
| Mar | 2.66 | 2.76 | -0.10 |
| Apr | 3.33 | 3.48 | -0.15 |
| May | 3.91 | 4.06 | -0.15 |
| Jun | 4.63 | 4.56 | 0.07 |
| Jul | 4.27 | 4.58 | -0.31 |
| Aug | 4.04 | 4.16 | -0.12 |
| Sep | 3.81 | 3.82 | -0.01 |
| Oct | 4.27 | 4.29 | -0.02 |
| Nov | 3.10 | 3.23 | -0.13 |
| Dec | 2.93 | 3.01 | -0.08 |
41.46 | 42.55 | -1.09 |