| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.53 | 0.05 |
| Feb | 3.13 | 2.89 | 0.24 |
| Mar | 4.04 | 4.02 | 0.02 |
| Apr | 3.64 | 3.61 | 0.03 |
| May | 3.72 | 3.66 | 0.06 |
| Jun | 4.44 | 4.38 | 0.06 |
| Jul | 5.08 | 5.27 | -0.19 |
| Aug | 5.22 | 5.09 | 0.13 |
| Sep | 5.51 | 5.60 | -0.09 |
| Oct | 3.34 | 3.30 | 0.04 |
| Nov | 3.36 | 3.37 | -0.01 |
| Dec | 3.54 | 3.44 | 0.10 |
48.60 | 48.16 | 0.44 |