| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.78 | 0.05 |
| Feb | 1.22 | 1.20 | 0.02 |
| Mar | 2.24 | 2.16 | 0.08 |
| Apr | 2.77 | 2.82 | -0.05 |
| May | 4.90 | 4.93 | -0.03 |
| Jun | 4.50 | 4.44 | 0.06 |
| Jul | 4.32 | 4.27 | 0.05 |
| Aug | 3.77 | 3.76 | 0.01 |
| Sep | 2.92 | 2.96 | -0.04 |
| Oct | 2.48 | 2.45 | 0.03 |
| Nov | 1.54 | 1.55 | -0.01 |
| Dec | 1.29 | 1.21 | 0.08 |
32.78 | 32.53 | 0.25 |