| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.81 | 0.04 |
| Feb | 1.26 | 1.21 | 0.05 |
| Mar | 2.33 | 2.29 | 0.04 |
| Apr | 3.09 | 2.83 | 0.26 |
| May | 5.03 | 5.00 | 0.03 |
| Jun | 4.83 | 4.64 | 0.19 |
| Jul | 4.16 | 3.90 | 0.26 |
| Aug | 3.94 | 3.94 | 0.00 |
| Sep | 2.58 | 2.53 | 0.05 |
| Oct | 2.96 | 2.82 | 0.14 |
| Nov | 1.53 | 1.44 | 0.09 |
| Dec | 1.25 | 1.19 | 0.06 |
33.81 | 32.60 | 1.21 |