| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.50 | -0.03 |
| Feb | 0.55 | 0.60 | -0.05 |
| Mar | 1.21 | 1.24 | -0.03 |
| Apr | 2.06 | 2.00 | 0.06 |
| May | 2.75 | 2.81 | -0.06 |
| Jun | 1.84 | 1.72 | 0.12 |
| Jul | 1.77 | 1.69 | 0.08 |
| Aug | 1.56 | 1.35 | 0.21 |
| Sep | 1.40 | 1.43 | -0.03 |
| Oct | 1.15 | 1.14 | 0.01 |
| Nov | 0.75 | 0.76 | -0.01 |
| Dec | 0.44 | 0.53 | -0.09 |
15.95 | 15.77 | 0.18 |