| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.88 | 5.29 | 0.59 |
| Feb | 5.12 | 4.82 | 0.30 |
| Mar | 5.42 | 5.28 | 0.14 |
| Apr | 5.04 | 5.08 | -0.04 |
| May | 4.48 | 4.57 | -0.09 |
| Jun | 5.34 | 5.08 | 0.26 |
| Jul | 5.04 | 5.15 | -0.11 |
| Aug | 5.06 | 4.54 | 0.52 |
| Sep | 3.90 | 4.30 | -0.40 |
| Oct | 3.85 | 3.60 | 0.25 |
| Nov | 4.53 | 4.44 | 0.09 |
| Dec | 5.90 | 5.61 | 0.29 |
59.56 | 57.76 | 1.80 |