| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.29 | 0.02 |
| Feb | 2.81 | 2.78 | 0.03 |
| Mar | 3.74 | 3.77 | -0.03 |
| Apr | 3.32 | 3.33 | -0.01 |
| May | 4.09 | 4.39 | -0.30 |
| Jun | 4.04 | 3.84 | 0.20 |
| Jul | 4.25 | 3.93 | 0.32 |
| Aug | 3.74 | 3.56 | 0.18 |
| Sep | 4.48 | 4.33 | 0.15 |
| Oct | 3.78 | 3.91 | -0.13 |
| Nov | 3.47 | 3.60 | -0.13 |
| Dec | 3.61 | 3.63 | -0.02 |
44.64 | 44.36 | 0.28 |