| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.02 | 0.14 |
| Feb | 2.66 | 2.68 | -0.02 |
| Mar | 3.51 | 3.45 | 0.06 |
| Apr | 3.52 | 3.62 | -0.10 |
| May | 4.30 | 4.31 | -0.01 |
| Jun | 4.30 | 4.48 | -0.18 |
| Jul | 4.26 | 4.12 | 0.14 |
| Aug | 3.38 | 3.35 | 0.03 |
| Sep | 3.86 | 3.89 | -0.03 |
| Oct | 3.09 | 3.03 | 0.06 |
| Nov | 2.93 | 3.03 | -0.10 |
| Dec | 3.34 | 3.34 | 0.00 |
42.31 | 42.32 | -0.01 |