| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.89 | -0.05 |
| Feb | 3.93 | 4.07 | -0.14 |
| Mar | 4.57 | 4.69 | -0.12 |
| Apr | 4.88 | 5.00 | -0.12 |
| May | 4.94 | 4.97 | -0.03 |
| Jun | 4.53 | 4.58 | -0.05 |
| Jul | 4.26 | 4.32 | -0.06 |
| Aug | 3.07 | 3.05 | 0.02 |
| Sep | 3.41 | 3.42 | -0.01 |
| Oct | 3.63 | 3.76 | -0.13 |
| Nov | 4.24 | 4.06 | 0.18 |
| Dec | 4.34 | 4.35 | -0.01 |
49.64 | 50.16 | -0.52 |