| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.80 | 0.06 |
| Feb | 2.96 | 3.01 | -0.05 |
| Mar | 3.50 | 3.49 | 0.01 |
| Apr | 3.93 | 3.74 | 0.19 |
| May | 5.01 | 5.25 | -0.24 |
| Jun | 4.79 | 4.72 | 0.07 |
| Jul | 3.58 | 3.42 | 0.16 |
| Aug | 4.23 | 4.43 | -0.20 |
| Sep | 4.29 | 4.29 | 0.00 |
| Oct | 4.74 | 4.80 | -0.06 |
| Nov | 4.26 | 4.25 | 0.01 |
| Dec | 3.87 | 3.86 | 0.01 |
49.02 | 49.06 | -0.04 |