| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.69 | 0.15 |
| Feb | 3.08 | 3.01 | 0.07 |
| Mar | 4.09 | 4.18 | -0.09 |
| Apr | 4.56 | 4.46 | 0.10 |
| May | 4.81 | 4.78 | 0.03 |
| Jun | 4.51 | 4.66 | -0.15 |
| Jul | 4.67 | 4.42 | 0.25 |
| Aug | 4.77 | 4.50 | 0.27 |
| Sep | 4.62 | 4.35 | 0.27 |
| Oct | 3.64 | 3.80 | -0.16 |
| Nov | 3.59 | 3.51 | 0.08 |
| Dec | 3.75 | 3.73 | 0.02 |
49.93 | 49.09 | 0.84 |