| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.75 | 0.11 |
| Feb | 2.27 | 2.23 | 0.04 |
| Mar | 2.97 | 2.89 | 0.08 |
| Apr | 2.64 | 2.76 | -0.12 |
| May | 3.41 | 3.50 | -0.09 |
| Jun | 8.73 | 8.52 | 0.21 |
| Jul | 8.19 | 8.20 | -0.01 |
| Aug | 8.13 | 8.24 | -0.11 |
| Sep | 6.89 | 7.15 | -0.26 |
| Oct | 2.71 | 2.74 | -0.03 |
| Nov | 1.76 | 1.81 | -0.05 |
| Dec | 2.54 | 2.59 | -0.05 |
53.10 | 53.38 | -0.28 |