| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.12 | -0.04 |
| Feb | 2.64 | 2.74 | -0.10 |
| Mar | 3.63 | 3.68 | -0.05 |
| Apr | 3.40 | 3.31 | 0.09 |
| May | 4.47 | 4.41 | 0.06 |
| Jun | 4.61 | 4.80 | -0.19 |
| Jul | 4.21 | 4.00 | 0.21 |
| Aug | 3.89 | 3.77 | 0.12 |
| Sep | 4.59 | 4.40 | 0.19 |
| Oct | 3.60 | 3.71 | -0.11 |
| Nov | 3.35 | 3.31 | 0.04 |
| Dec | 3.43 | 3.50 | -0.07 |
44.90 | 44.75 | 0.15 |