| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.65 | 1.69 | -0.04 |
| Feb | 1.73 | 1.90 | -0.17 |
| Mar | 3.26 | 3.21 | 0.05 |
| Apr | 4.49 | 4.17 | 0.32 |
| May | 5.62 | 5.88 | -0.26 |
| Jun | 4.77 | 4.64 | 0.13 |
| Jul | 3.79 | 3.75 | 0.04 |
| Aug | 3.50 | 3.43 | 0.07 |
| Sep | 3.95 | 3.77 | 0.18 |
| Oct | 3.63 | 3.62 | 0.01 |
| Nov | 2.84 | 2.75 | 0.09 |
| Dec | 2.37 | 2.35 | 0.02 |
41.60 | 41.16 | 0.44 |