| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.33 | 0.04 |
| Feb | 2.77 | 2.76 | 0.01 |
| Mar | 3.93 | 3.88 | 0.05 |
| Apr | 3.39 | 3.37 | 0.02 |
| May | 4.16 | 4.10 | 0.06 |
| Jun | 4.24 | 4.19 | 0.05 |
| Jul | 4.38 | 4.41 | -0.03 |
| Aug | 4.41 | 4.51 | -0.10 |
| Sep | 4.53 | 4.38 | 0.15 |
| Oct | 3.65 | 3.62 | 0.03 |
| Nov | 3.28 | 3.25 | 0.03 |
| Dec | 3.63 | 3.68 | -0.05 |
45.74 | 45.48 | 0.26 |