| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.45 | -0.02 |
| Feb | 2.73 | 2.75 | -0.02 |
| Mar | 3.96 | 3.95 | 0.01 |
| Apr | 3.44 | 3.44 | 0.00 |
| May | 4.20 | 4.09 | 0.11 |
| Jun | 4.27 | 4.19 | 0.08 |
| Jul | 4.52 | 4.50 | 0.02 |
| Aug | 4.51 | 4.47 | 0.04 |
| Sep | 4.59 | 4.59 | 0.00 |
| Oct | 3.58 | 3.62 | -0.04 |
| Nov | 3.23 | 3.24 | -0.01 |
| Dec | 3.66 | 3.67 | -0.01 |
46.12 | 45.96 | 0.16 |