| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.60 | 0.12 |
| Feb | 3.27 | 3.26 | 0.01 |
| Mar | 4.21 | 4.27 | -0.06 |
| Apr | 4.33 | 4.26 | 0.07 |
| May | 3.60 | 3.57 | 0.03 |
| Jun | 4.32 | 4.17 | 0.15 |
| Jul | 3.82 | 3.79 | 0.03 |
| Aug | 4.24 | 4.16 | 0.08 |
| Sep | 4.14 | 4.02 | 0.12 |
| Oct | 4.92 | 4.96 | -0.04 |
| Nov | 3.93 | 3.72 | 0.21 |
| Dec | 4.36 | 4.52 | -0.16 |
48.86 | 48.30 | 0.56 |