| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.33 | 0.05 |
| Feb | 2.71 | 2.69 | 0.02 |
| Mar | 3.34 | 3.31 | 0.03 |
| Apr | 3.54 | 3.59 | -0.05 |
| May | 4.60 | 4.64 | -0.04 |
| Jun | 4.52 | 4.38 | 0.14 |
| Jul | 2.69 | 2.57 | 0.12 |
| Aug | 3.32 | 3.33 | -0.01 |
| Sep | 4.12 | 3.62 | 0.50 |
| Oct | 4.91 | 4.48 | 0.43 |
| Nov | 3.85 | 3.83 | 0.02 |
| Dec | 3.29 | 3.36 | -0.07 |
44.27 | 43.13 | 1.14 |