| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.06 | -0.13 |
| Feb | 1.83 | 1.93 | -0.10 |
| Mar | 2.27 | 2.26 | 0.01 |
| Apr | 3.74 | 3.78 | -0.04 |
| May | 4.51 | 4.60 | -0.09 |
| Jun | 4.51 | 4.33 | 0.18 |
| Jul | 3.80 | 3.60 | 0.20 |
| Aug | 3.74 | 4.00 | -0.26 |
| Sep | 3.30 | 3.28 | 0.02 |
| Oct | 3.27 | 3.37 | -0.10 |
| Nov | 2.42 | 2.52 | -0.10 |
| Dec | 2.10 | 2.18 | -0.08 |
37.42 | 37.91 | -0.49 |