| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.02 | 0.01 |
| Feb | 3.51 | 3.47 | 0.04 |
| Mar | 4.81 | 4.93 | -0.12 |
| Apr | 4.49 | 4.56 | -0.07 |
| May | 3.53 | 3.49 | 0.04 |
| Jun | 4.02 | 4.09 | -0.07 |
| Jul | 3.40 | 3.43 | -0.03 |
| Aug | 3.86 | 3.95 | -0.09 |
| Sep | 4.13 | 4.13 | 0.00 |
| Oct | 4.75 | 4.77 | -0.02 |
| Nov | 4.29 | 4.16 | 0.13 |
| Dec | 4.85 | 4.93 | -0.08 |
49.67 | 49.93 | -0.26 |