| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.34 | 0.09 |
| Feb | 2.01 | 2.00 | 0.01 |
| Mar | 2.26 | 2.24 | 0.02 |
| Apr | 3.54 | 3.45 | 0.09 |
| May | 4.28 | 4.23 | 0.05 |
| Jun | 3.98 | 3.93 | 0.05 |
| Jul | 3.86 | 3.62 | 0.24 |
| Aug | 3.62 | 4.00 | -0.38 |
| Sep | 3.14 | 2.99 | 0.15 |
| Oct | 3.10 | 2.97 | 0.13 |
| Nov | 2.96 | 2.92 | 0.04 |
| Dec | 2.34 | 2.28 | 0.06 |
37.52 | 36.97 | 0.55 |