| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 1.90 | 0.03 |
| Feb | 1.71 | 1.80 | -0.09 |
| Mar | 2.25 | 2.27 | -0.02 |
| Apr | 3.78 | 3.77 | 0.01 |
| May | 4.60 | 4.58 | 0.02 |
| Jun | 4.42 | 4.33 | 0.09 |
| Jul | 3.91 | 3.88 | 0.03 |
| Aug | 4.02 | 3.76 | 0.26 |
| Sep | 3.17 | 3.24 | -0.07 |
| Oct | 3.32 | 3.32 | 0.00 |
| Nov | 2.53 | 2.48 | 0.05 |
| Dec | 2.07 | 2.06 | 0.01 |
37.71 | 37.39 | 0.32 |