| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.22 | -0.03 |
| Feb | 2.09 | 2.18 | -0.09 |
| Mar | 3.55 | 3.57 | -0.02 |
| Apr | 4.62 | 4.59 | 0.03 |
| May | 6.40 | 6.36 | 0.04 |
| Jun | 4.83 | 4.77 | 0.06 |
| Jul | 3.85 | 4.00 | -0.15 |
| Aug | 3.61 | 3.46 | 0.15 |
| Sep | 4.29 | 4.27 | 0.02 |
| Oct | 4.17 | 3.96 | 0.21 |
| Nov | 3.44 | 3.41 | 0.03 |
| Dec | 2.54 | 2.68 | -0.14 |
45.58 | 45.47 | 0.11 |