| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.60 | 0.19 |
| Feb | 2.54 | 2.59 | -0.05 |
| Mar | 4.23 | 4.15 | 0.08 |
| Apr | 4.89 | 5.05 | -0.16 |
| May | 5.05 | 4.95 | 0.10 |
| Jun | 3.80 | 3.76 | 0.04 |
| Jul | 3.76 | 3.89 | -0.13 |
| Aug | 3.32 | 3.24 | 0.08 |
| Sep | 4.05 | 4.06 | -0.01 |
| Oct | 3.81 | 3.67 | 0.14 |
| Nov | 4.06 | 3.93 | 0.13 |
| Dec | 3.09 | 3.02 | 0.07 |
45.39 | 44.91 | 0.48 |