| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.40 | 5.77 | 0.63 |
| Feb | 3.77 | 3.64 | 0.13 |
| Mar | 4.60 | 4.32 | 0.28 |
| Apr | 3.60 | 3.56 | 0.04 |
| May | 2.92 | 2.91 | 0.01 |
| Jun | 2.25 | 2.31 | -0.06 |
| Jul | 1.27 | 1.34 | -0.07 |
| Aug | 1.43 | 1.36 | 0.07 |
| Sep | 2.62 | 2.46 | 0.16 |
| Oct | 5.09 | 4.62 | 0.47 |
| Nov | 6.99 | 6.39 | 0.60 |
| Dec | 5.87 | 5.42 | 0.45 |
46.81 | 44.10 | 2.71 |