| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.60 | 0.01 |
| Feb | 0.74 | 0.74 | 0.00 |
| Mar | 1.40 | 1.42 | -0.02 |
| Apr | 2.51 | 2.49 | 0.02 |
| May | 4.58 | 4.52 | 0.06 |
| Jun | 3.72 | 3.77 | -0.05 |
| Jul | 3.88 | 3.88 | 0.00 |
| Aug | 3.45 | 3.35 | 0.10 |
| Sep | 2.21 | 2.18 | 0.03 |
| Oct | 2.10 | 2.08 | 0.02 |
| Nov | 1.23 | 1.21 | 0.02 |
| Dec | 0.87 | 0.86 | 0.01 |
27.30 | 27.10 | 0.20 |