| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.63 | -0.18 |
| Feb | 2.31 | 2.36 | -0.05 |
| Mar | 3.93 | 3.83 | 0.10 |
| Apr | 4.79 | 4.84 | -0.05 |
| May | 5.80 | 6.14 | -0.34 |
| Jun | 4.53 | 4.23 | 0.30 |
| Jul | 3.82 | 3.96 | -0.14 |
| Aug | 3.49 | 3.49 | 0.00 |
| Sep | 4.24 | 4.14 | 0.10 |
| Oct | 4.02 | 4.19 | -0.17 |
| Nov | 3.82 | 3.88 | -0.06 |
| Dec | 2.92 | 3.08 | -0.16 |
46.12 | 46.77 | -0.65 |