| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.63 | -0.07 |
| Feb | 0.51 | 0.55 | -0.04 |
| Mar | 0.74 | 0.75 | -0.01 |
| Apr | 0.93 | 0.92 | 0.01 |
| May | 0.85 | 0.85 | 0.00 |
| Jun | 0.44 | 0.47 | -0.03 |
| Jul | 0.71 | 0.66 | 0.05 |
| Aug | 0.90 | 0.86 | 0.04 |
| Sep | 1.10 | 1.09 | 0.01 |
| Oct | 1.05 | 1.06 | -0.01 |
| Nov | 0.58 | 0.66 | -0.08 |
| Dec | 0.53 | 0.60 | -0.07 |
8.90 | 9.10 | -0.20 |