| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.70 | 6.15 | 0.55 |
| Feb | 5.16 | 4.86 | 0.30 |
| Mar | 5.33 | 4.96 | 0.37 |
| Apr | 4.28 | 3.71 | 0.57 |
| May | 2.91 | 2.65 | 0.26 |
| Jun | 1.56 | 1.35 | 0.21 |
| Jul | 0.35 | 0.34 | 0.01 |
| Aug | 0.44 | 0.38 | 0.06 |
| Sep | 1.51 | 1.39 | 0.12 |
| Oct | 3.80 | 3.37 | 0.43 |
| Nov | 6.75 | 6.13 | 0.62 |
| Dec | 8.03 | 7.45 | 0.58 |
46.82 | 42.74 | 4.08 |