| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.62 | 0.00 |
| Feb | 1.22 | 1.16 | 0.06 |
| Mar | 1.76 | 1.74 | 0.02 |
| Apr | 2.90 | 2.91 | -0.01 |
| May | 3.20 | 3.21 | -0.01 |
| Jun | 3.52 | 3.48 | 0.04 |
| Jul | 3.30 | 3.18 | 0.12 |
| Aug | 3.18 | 3.09 | 0.09 |
| Sep | 3.20 | 3.12 | 0.08 |
| Oct | 3.27 | 3.24 | 0.03 |
| Nov | 2.22 | 2.20 | 0.02 |
| Dec | 1.88 | 1.80 | 0.08 |
31.27 | 30.75 | 0.52 |