| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.12 | -0.04 |
| Feb | 2.88 | 2.92 | -0.04 |
| Mar | 3.86 | 3.82 | 0.04 |
| Apr | 4.23 | 4.34 | -0.11 |
| May | 4.65 | 4.60 | 0.05 |
| Jun | 4.43 | 4.36 | 0.07 |
| Jul | 4.17 | 4.09 | 0.08 |
| Aug | 3.26 | 3.29 | -0.03 |
| Sep | 3.03 | 3.02 | 0.01 |
| Oct | 3.01 | 2.98 | 0.03 |
| Nov | 3.00 | 2.87 | 0.13 |
| Dec | 3.30 | 3.25 | 0.05 |
42.90 | 42.66 | 0.24 |