| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.63 | -0.02 |
| Feb | 2.89 | 2.88 | 0.01 |
| Mar | 4.12 | 4.26 | -0.14 |
| Apr | 3.91 | 3.89 | 0.02 |
| May | 4.14 | 3.99 | 0.15 |
| Jun | 4.62 | 4.51 | 0.11 |
| Jul | 4.83 | 4.75 | 0.08 |
| Aug | 4.60 | 4.48 | 0.12 |
| Sep | 4.46 | 4.28 | 0.18 |
| Oct | 4.45 | 4.24 | 0.21 |
| Nov | 3.51 | 3.48 | 0.03 |
| Dec | 4.40 | 4.36 | 0.04 |
49.54 | 48.75 | 0.79 |