| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.44 | -0.08 |
| Feb | 2.17 | 2.37 | -0.20 |
| Mar | 3.22 | 3.02 | 0.20 |
| Apr | 4.59 | 4.61 | -0.02 |
| May | 4.90 | 5.20 | -0.30 |
| Jun | 4.30 | 4.55 | -0.25 |
| Jul | 4.16 | 3.97 | 0.19 |
| Aug | 3.97 | 3.63 | 0.34 |
| Sep | 3.63 | 3.26 | 0.37 |
| Oct | 3.26 | 3.26 | 0.00 |
| Nov | 3.40 | 3.41 | -0.01 |
| Dec | 2.55 | 2.37 | 0.18 |
42.51 | 42.09 | 0.42 |