| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.52 | 0.09 |
| Feb | 0.44 | 0.40 | 0.04 |
| Mar | 1.01 | 0.89 | 0.12 |
| Apr | 0.92 | 0.93 | -0.01 |
| May | 1.67 | 1.78 | -0.11 |
| Jun | 2.28 | 2.30 | -0.02 |
| Jul | 2.88 | 2.81 | 0.07 |
| Aug | 2.93 | 2.99 | -0.06 |
| Sep | 1.88 | 1.88 | 0.00 |
| Oct | 1.81 | 1.76 | 0.05 |
| Nov | 0.64 | 0.60 | 0.04 |
| Dec | 0.64 | 0.63 | 0.01 |
17.71 | 17.49 | 0.22 |