| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.74 | 9.55 | 0.19 |
| Feb | 9.34 | 9.14 | 0.20 |
| Mar | 8.42 | 8.54 | -0.12 |
| Apr | 4.56 | 4.52 | 0.04 |
| May | 2.66 | 2.58 | 0.08 |
| Jun | 0.82 | 0.75 | 0.07 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.09 | 0.13 | -0.04 |
| Sep | 0.50 | 0.49 | 0.01 |
| Oct | 2.81 | 2.63 | 0.18 |
| Nov | 5.70 | 5.49 | 0.21 |
| Dec | 10.92 | 10.57 | 0.35 |
55.57 | 54.40 | 1.17 |