| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.29 | 0.06 |
| Feb | 2.79 | 2.76 | 0.03 |
| Mar | 3.94 | 3.80 | 0.14 |
| Apr | 3.40 | 3.32 | 0.08 |
| May | 4.16 | 4.16 | 0.00 |
| Jun | 4.29 | 4.12 | 0.17 |
| Jul | 4.36 | 4.30 | 0.06 |
| Aug | 4.42 | 4.46 | -0.04 |
| Sep | 4.51 | 4.20 | 0.31 |
| Oct | 3.70 | 3.62 | 0.08 |
| Nov | 3.31 | 3.26 | 0.05 |
| Dec | 3.63 | 3.73 | -0.10 |
45.86 | 45.02 | 0.84 |