| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.80 | 0.03 |
| Feb | 0.82 | 0.89 | -0.07 |
| Mar | 1.19 | 1.28 | -0.09 |
| Apr | 1.44 | 1.32 | 0.12 |
| May | 2.24 | 2.22 | 0.02 |
| Jun | 2.78 | 2.74 | 0.04 |
| Jul | 2.16 | 2.43 | -0.27 |
| Aug | 1.77 | 1.54 | 0.23 |
| Sep | 4.55 | 4.58 | -0.03 |
| Oct | 2.34 | 1.99 | 0.35 |
| Nov | 1.25 | 1.26 | -0.01 |
| Dec | 1.04 | 1.00 | 0.04 |
22.41 | 22.05 | 0.36 |