| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.29 | 4.51 | -0.22 |
| Feb | 2.86 | 3.11 | -0.25 |
| Mar | 3.30 | 3.39 | -0.09 |
| Apr | 3.80 | 4.23 | -0.43 |
| May | 5.04 | 5.02 | 0.02 |
| Jun | 5.40 | 5.52 | -0.12 |
| Jul | 4.31 | 4.36 | -0.05 |
| Aug | 5.25 | 5.69 | -0.44 |
| Sep | 5.80 | 6.03 | -0.23 |
| Oct | 5.10 | 5.57 | -0.47 |
| Nov | 4.16 | 4.74 | -0.58 |
| Dec | 4.28 | 4.50 | -0.22 |
53.59 | 56.67 | -3.08 |