| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.95 | 1.92 | 0.03 |
| Feb | 1.72 | 1.80 | -0.08 |
| Mar | 2.27 | 2.27 | 0.00 |
| Apr | 3.82 | 3.77 | 0.05 |
| May | 4.58 | 4.59 | -0.01 |
| Jun | 4.43 | 4.34 | 0.09 |
| Jul | 3.98 | 3.93 | 0.05 |
| Aug | 4.03 | 3.80 | 0.23 |
| Sep | 3.18 | 3.22 | -0.04 |
| Oct | 3.37 | 3.35 | 0.02 |
| Nov | 2.55 | 2.46 | 0.09 |
| Dec | 2.09 | 2.05 | 0.04 |
37.97 | 37.50 | 0.47 |