| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.16 | 0.13 |
| Feb | 1.12 | 0.99 | 0.13 |
| Mar | 1.59 | 1.44 | 0.15 |
| Apr | 2.66 | 2.60 | 0.06 |
| May | 3.26 | 3.17 | 0.09 |
| Jun | 3.80 | 3.92 | -0.12 |
| Jul | 3.75 | 4.04 | -0.29 |
| Aug | 3.25 | 3.09 | 0.16 |
| Sep | 3.53 | 3.52 | 0.01 |
| Oct | 3.45 | 3.27 | 0.18 |
| Nov | 1.98 | 1.82 | 0.16 |
| Dec | 1.62 | 1.49 | 0.13 |
31.30 | 30.51 | 0.79 |