| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.43 | -0.09 |
| Feb | 2.76 | 2.86 | -0.10 |
| Mar | 3.79 | 3.93 | -0.14 |
| Apr | 4.58 | 4.76 | -0.18 |
| May | 4.89 | 5.05 | -0.16 |
| Jun | 4.79 | 4.78 | 0.01 |
| Jul | 4.15 | 4.08 | 0.07 |
| Aug | 3.41 | 3.32 | 0.09 |
| Sep | 3.17 | 3.20 | -0.03 |
| Oct | 3.28 | 3.26 | 0.02 |
| Nov | 3.24 | 3.27 | -0.03 |
| Dec | 3.51 | 3.66 | -0.15 |
44.91 | 45.60 | -0.69 |