| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.22 | 0.30 |
| Feb | 1.30 | 1.04 | 0.26 |
| Mar | 1.40 | 1.16 | 0.24 |
| Apr | 2.28 | 2.09 | 0.19 |
| May | 3.26 | 3.09 | 0.17 |
| Jun | 3.92 | 3.89 | 0.03 |
| Jul | 4.15 | 4.00 | 0.15 |
| Aug | 3.06 | 3.13 | -0.07 |
| Sep | 3.48 | 3.44 | 0.04 |
| Oct | 3.22 | 2.82 | 0.40 |
| Nov | 2.14 | 1.88 | 0.26 |
| Dec | 1.93 | 1.56 | 0.37 |
31.66 | 29.32 | 2.34 |