| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.03 | -0.10 |
| Feb | 2.11 | 2.16 | -0.05 |
| Mar | 3.42 | 3.57 | -0.15 |
| Apr | 4.80 | 5.09 | -0.29 |
| May | 6.22 | 6.60 | -0.38 |
| Jun | 4.99 | 5.12 | -0.13 |
| Jul | 3.89 | 3.99 | -0.10 |
| Aug | 3.53 | 3.47 | 0.06 |
| Sep | 4.40 | 4.61 | -0.21 |
| Oct | 3.73 | 3.83 | -0.10 |
| Nov | 3.40 | 3.64 | -0.24 |
| Dec | 2.57 | 2.66 | -0.09 |
44.99 | 46.77 | -1.78 |