| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.24 | 0.02 |
| Feb | 2.81 | 2.77 | 0.04 |
| Mar | 3.73 | 3.85 | -0.12 |
| Apr | 3.32 | 3.35 | -0.03 |
| May | 4.19 | 4.23 | -0.04 |
| Jun | 4.11 | 3.99 | 0.12 |
| Jul | 4.45 | 4.07 | 0.38 |
| Aug | 3.80 | 3.85 | -0.05 |
| Sep | 4.44 | 4.28 | 0.16 |
| Oct | 3.67 | 3.70 | -0.03 |
| Nov | 3.39 | 3.34 | 0.05 |
| Dec | 3.63 | 3.59 | 0.04 |
44.80 | 44.26 | 0.54 |