| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.63 | -0.05 |
| Feb | 3.56 | 3.51 | 0.05 |
| Mar | 4.42 | 4.50 | -0.08 |
| Apr | 4.93 | 4.97 | -0.04 |
| May | 5.03 | 5.24 | -0.21 |
| Jun | 4.29 | 4.61 | -0.32 |
| Jul | 4.25 | 4.27 | -0.02 |
| Aug | 3.02 | 2.94 | 0.08 |
| Sep | 3.48 | 3.54 | -0.06 |
| Oct | 3.58 | 3.61 | -0.03 |
| Nov | 3.91 | 3.86 | 0.05 |
| Dec | 4.23 | 4.25 | -0.02 |
48.28 | 48.93 | -0.65 |