| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.37 | -0.02 |
| Feb | 2.58 | 2.63 | -0.05 |
| Mar | 3.61 | 3.55 | 0.06 |
| Apr | 4.93 | 4.93 | 0.00 |
| May | 5.26 | 5.39 | -0.13 |
| Jun | 5.00 | 5.10 | -0.10 |
| Jul | 4.46 | 4.45 | 0.01 |
| Aug | 3.40 | 3.22 | 0.18 |
| Sep | 3.42 | 3.54 | -0.12 |
| Oct | 3.75 | 3.69 | 0.06 |
| Nov | 3.92 | 3.93 | -0.01 |
| Dec | 3.29 | 3.35 | -0.06 |
46.97 | 47.15 | -0.18 |