| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.42 | -0.07 |
| Feb | 2.77 | 2.83 | -0.06 |
| Mar | 3.78 | 3.74 | 0.04 |
| Apr | 4.72 | 4.91 | -0.19 |
| May | 5.09 | 5.08 | 0.01 |
| Jun | 5.00 | 5.18 | -0.18 |
| Jul | 4.34 | 4.40 | -0.06 |
| Aug | 3.54 | 3.47 | 0.07 |
| Sep | 3.30 | 3.24 | 0.06 |
| Oct | 3.52 | 3.36 | 0.16 |
| Nov | 3.54 | 3.60 | -0.06 |
| Dec | 3.51 | 3.52 | -0.01 |
46.46 | 46.75 | -0.29 |