| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.51 | -0.05 |
| Feb | 0.55 | 0.61 | -0.06 |
| Mar | 1.21 | 1.24 | -0.03 |
| Apr | 2.08 | 2.03 | 0.05 |
| May | 2.64 | 2.87 | -0.23 |
| Jun | 1.78 | 1.73 | 0.05 |
| Jul | 1.65 | 1.68 | -0.03 |
| Aug | 1.47 | 1.34 | 0.13 |
| Sep | 1.36 | 1.45 | -0.09 |
| Oct | 1.16 | 1.15 | 0.01 |
| Nov | 0.77 | 0.76 | 0.01 |
| Dec | 0.47 | 0.53 | -0.06 |
15.60 | 15.90 | -0.30 |