| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.17 | -0.03 |
| Feb | 2.64 | 2.63 | 0.01 |
| Mar | 3.49 | 3.40 | 0.09 |
| Apr | 3.64 | 3.49 | 0.15 |
| May | 4.18 | 4.08 | 0.10 |
| Jun | 3.93 | 3.96 | -0.03 |
| Jul | 4.07 | 3.93 | 0.14 |
| Aug | 3.65 | 3.30 | 0.35 |
| Sep | 3.44 | 3.25 | 0.19 |
| Oct | 2.82 | 2.79 | 0.03 |
| Nov | 2.75 | 2.59 | 0.16 |
| Dec | 3.04 | 3.14 | -0.10 |
40.79 | 39.73 | 1.06 |