| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.81 | 0.04 |
| Feb | 0.86 | 0.75 | 0.11 |
| Mar | 1.38 | 1.44 | -0.06 |
| Apr | 2.56 | 2.60 | -0.04 |
| May | 3.39 | 3.45 | -0.06 |
| Jun | 4.39 | 4.48 | -0.09 |
| Jul | 4.20 | 4.43 | -0.23 |
| Aug | 3.73 | 3.59 | 0.14 |
| Sep | 3.19 | 3.10 | 0.09 |
| Oct | 3.08 | 3.02 | 0.06 |
| Nov | 1.70 | 1.76 | -0.06 |
| Dec | 1.22 | 1.33 | -0.11 |
30.55 | 30.76 | -0.21 |