| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 4.70 | -0.02 |
| Feb | 4.23 | 4.33 | -0.10 |
| Mar | 4.73 | 5.01 | -0.28 |
| Apr | 3.85 | 4.06 | -0.21 |
| May | 3.18 | 3.36 | -0.18 |
| Jun | 6.27 | 6.18 | 0.09 |
| Jul | 6.63 | 6.51 | 0.12 |
| Aug | 6.19 | 6.40 | -0.21 |
| Sep | 5.21 | 4.99 | 0.22 |
| Oct | 3.17 | 3.08 | 0.09 |
| Nov | 3.06 | 3.37 | -0.31 |
| Dec | 4.02 | 4.16 | -0.14 |
55.22 | 56.15 | -0.93 |