| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.76 | -0.22 |
| Feb | 3.42 | 3.50 | -0.08 |
| Mar | 4.44 | 4.67 | -0.23 |
| Apr | 4.13 | 4.30 | -0.17 |
| May | 3.61 | 3.62 | -0.01 |
| Jun | 4.16 | 4.13 | 0.03 |
| Jul | 3.55 | 3.74 | -0.19 |
| Aug | 3.51 | 3.63 | -0.12 |
| Sep | 3.75 | 3.76 | -0.01 |
| Oct | 4.62 | 4.82 | -0.20 |
| Nov | 3.92 | 3.92 | 0.00 |
| Dec | 4.58 | 4.81 | -0.23 |
47.23 | 48.66 | -1.43 |