| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.88 | -0.12 |
| Feb | 3.64 | 3.63 | 0.01 |
| Mar | 3.84 | 3.89 | -0.05 |
| Apr | 3.23 | 3.20 | 0.03 |
| May | 3.50 | 3.48 | 0.02 |
| Jun | 5.25 | 5.15 | 0.10 |
| Jul | 5.29 | 5.26 | 0.03 |
| Aug | 5.09 | 5.21 | -0.12 |
| Sep | 4.32 | 4.34 | -0.02 |
| Oct | 3.21 | 3.27 | -0.06 |
| Nov | 2.90 | 2.89 | 0.01 |
| Dec | 3.76 | 3.75 | 0.01 |
47.79 | 47.95 | -0.16 |