| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.32 | -0.05 |
| Feb | 1.47 | 1.56 | -0.09 |
| Mar | 2.27 | 2.37 | -0.10 |
| Apr | 3.79 | 3.77 | 0.02 |
| May | 4.62 | 4.59 | 0.03 |
| Jun | 5.48 | 5.07 | 0.41 |
| Jul | 4.26 | 4.24 | 0.02 |
| Aug | 3.92 | 3.91 | 0.01 |
| Sep | 3.67 | 3.52 | 0.15 |
| Oct | 2.99 | 2.95 | 0.04 |
| Nov | 2.13 | 2.19 | -0.06 |
| Dec | 1.74 | 1.76 | -0.02 |
37.61 | 37.25 | 0.36 |