| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.97 | -0.24 |
| Feb | 0.77 | 0.88 | -0.11 |
| Mar | 1.60 | 1.70 | -0.10 |
| Apr | 2.88 | 3.10 | -0.22 |
| May | 4.14 | 4.20 | -0.06 |
| Jun | 4.51 | 4.63 | -0.12 |
| Jul | 4.18 | 4.38 | -0.20 |
| Aug | 4.45 | 4.30 | 0.15 |
| Sep | 3.29 | 3.29 | 0.00 |
| Oct | 2.72 | 2.80 | -0.08 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.05 | 1.28 | -0.23 |
31.88 | 33.23 | -1.35 |