| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.54 | 0.09 |
| Feb | 2.98 | 2.96 | 0.02 |
| Mar | 3.92 | 4.08 | -0.16 |
| Apr | 3.63 | 3.78 | -0.15 |
| May | 3.61 | 3.39 | 0.22 |
| Jun | 4.24 | 4.32 | -0.08 |
| Jul | 4.34 | 4.29 | 0.05 |
| Aug | 4.06 | 4.16 | -0.10 |
| Sep | 3.96 | 4.00 | -0.04 |
| Oct | 3.08 | 3.17 | -0.09 |
| Nov | 3.29 | 3.23 | 0.06 |
| Dec | 3.50 | 3.47 | 0.03 |
44.24 | 44.39 | -0.15 |