| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.35 | 0.03 |
| Feb | 0.51 | 0.50 | 0.01 |
| Mar | 1.00 | 0.95 | 0.05 |
| Apr | 2.06 | 1.95 | 0.11 |
| May | 3.31 | 3.32 | -0.01 |
| Jun | 2.96 | 2.97 | -0.01 |
| Jul | 2.30 | 2.26 | 0.04 |
| Aug | 1.52 | 1.74 | -0.22 |
| Sep | 1.18 | 1.19 | -0.01 |
| Oct | 1.63 | 1.62 | 0.01 |
| Nov | 0.50 | 0.59 | -0.09 |
| Dec | 0.38 | 0.43 | -0.05 |
17.73 | 17.87 | -0.14 |