| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.59 | 0.12 |
| Feb | 2.74 | 2.52 | 0.22 |
| Mar | 3.86 | 3.77 | 0.09 |
| Apr | 5.08 | 5.46 | -0.38 |
| May | 5.39 | 5.14 | 0.25 |
| Jun | 3.98 | 3.69 | 0.29 |
| Jul | 4.06 | 3.95 | 0.11 |
| Aug | 3.53 | 3.60 | -0.07 |
| Sep | 3.32 | 3.09 | 0.23 |
| Oct | 3.38 | 3.27 | 0.11 |
| Nov | 3.90 | 3.84 | 0.06 |
| Dec | 2.98 | 3.14 | -0.16 |
44.93 | 44.06 | 0.87 |