| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.15 | 0.06 |
| Feb | 3.16 | 3.18 | -0.02 |
| Mar | 4.12 | 4.08 | 0.04 |
| Apr | 3.67 | 3.74 | -0.07 |
| May | 4.63 | 4.60 | 0.03 |
| Jun | 4.66 | 4.76 | -0.10 |
| Jul | 4.77 | 4.93 | -0.16 |
| Aug | 3.83 | 3.69 | 0.14 |
| Sep | 3.61 | 3.72 | -0.11 |
| Oct | 3.01 | 3.13 | -0.12 |
| Nov | 3.00 | 2.98 | 0.02 |
| Dec | 3.75 | 3.62 | 0.13 |
45.42 | 45.58 | -0.16 |